The length of chord segment EG = 6 inches and the length of FG = √23 inches.
Given, chord EG = 8 inches and the distance from the center of J to the chord is 3 inches.
We can draw a diagram as follows:
J
/ \
/ \
/ \
/ \
E-----------G
|
|
|
|
|
F
Here, OJ is perpendicular to chord EG at point F.
As per the theorem, the length of the perpendicular from the center of the circle to a chord is half the length of the diameter intersecting the chord.
So, we can find the length of the diameter intersecting chord EG and then use it to find the radius of the circle.
Length of chord EG = 8 inches
Length of OJ = 3 inches
Using Pythagorean theorem in right triangle OFG, we get:
OG² = OF² + FG²
Let x be the length of FG
We know that OF = OJ = 3 inches
OG = radius of the circle
So, we have:
radius of circle = OG = √(OF² + FG²) = √(3² + x²)
The diameter of the circle = 2(radius) = 2√(3² + x²)
Now, using the theorem mentioned above, we can say:
Length of perpendicular from the center of the circle to chord EG = OF = 3 inches
Length of diameter intersecting chord EG = 2√(3² + x²)
So, we get:
Length of chord segment EG = 2 * length of perpendicular
= 2 * 3 inches
= 6 inches
Now, we know that the chord segment EG divides the diameter intersecting it into two equal parts.
So, we have:
Length of one part of the diameter = (2√(3² + x²))/2 = √(3² + x²)
Using Pythagorean theorem in right triangle OJF, we get:
OJ² + JF² = OF²
3² + JF² = 8²
JF² = 8² - 3² = 55
JF = √55
Using Pythagorean theorem in right triangle JFG, we get:
JG² + FG² = JF²
(√(3² + x²))² + x² = 55
9 + x² + x² = 55
2x² = 46
x² = 23
x = √23
Therefore, the length of chord segment EG = 6 inches and the length of FG = √23 inches.
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Find the limit. Use l'Hospital's Rule where appropriate. If there is a more elementary method, consider using it. lim [In(x9 - 1) - In(x5- 1)]
The limit of the given expression as x approaches 1 from the right is 1.8.
To evaluate the limit of the given expression:
\(lim_{x - > 1} + [ln(x ^ 9 - 1) - ln(x ^ 5 - 1)]\)
We can start by directly substituting x = 1 into the expression:
[ln(1⁹ - 1) - ln(1⁵ - 1)]
= [ln(0) - ln(0)]
However, ln(0) is undefined, so this approach doesn't provide a meaningful answer.
To apply L'Hôpital's Rule, we need to rewrite the expression as a fraction and differentiate the numerator and denominator separately. Let's proceed with this approach:
\(lim_{x - > 1}\)+ [ln(x⁹ - 1) - ln(x⁵ - 1)]
= \(lim_{x - > 1}\)+ [ln((x⁹ - 1)/(x⁵ - 1))]
Now, we can differentiate the numerator and denominator with respect to x:
Numerator:
d/dx[(x⁹ - 1)] = 9x⁸
Denominator:
d/dx[(x⁵ - 1)] = 5x⁴
Taking the limit again:
\(lim_{x - > 1}\)+ [9x⁸ / 5x⁴]
= \(lim_{x - > 1}\)+ (9/5) * (x⁸ / x⁴)
= (9/5) * \(lim_{x - > 1}\)+ (x⁸ / x⁴)
Now, we can substitute x = 1 into the expression:
(9/5) * \(lim_{x - > 1}\)+ (1⁸ / 1⁴)
= (9/5) * \(lim_{x - > 1}\)+ 1
= (9/5) * 1
= 9/5
= 1.8
The complete question is:
Find the limit. Use l'Hospital's Rule where appropriate. If there is a more elementary method, consider using it. \(lim_{x - > 1} + [ln(x ^ 9 - 1) - ln(x ^ 5 - 1)]\)
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helppp meeee and answer pleaseeeeeeee
Answer:
13.6 and .4
Step-by-step explanation:
3.4x4=13.6
leaving .4 left
Answer:
4 and 2 berries left over.
Step-by-step explanation:
14 divided by 3 = 4
4x3=12
14-12=2
One-third of a number is 84. What is the number? *
Can someone pleas help me with this
Sam and Bryan meet at the gym. Sam travels 6 miles farther to the gym than Bryan. Three times the distance Bryan travels is 12
miles. If x represents the distance traveled by Bryan to the gym, which statements are true when determining the distance traveled by
each?
Answer:
x+6=y and 3x=12
Step-by-step explanation:
Let x be the distance traveled by Bryan and let y be the distance traveled by Sam then the first equation would be:
x+6=y (x plus 6 is equal to y, Bryan's distance plus 6 is equal to Sam's distance) and the second one is:
3x=12 (3 times x is 12, 3 times the distance travelled by Bryan is 12)
So our statements/equations are:
x+6=y and
3x=12 (we dont write this as x=4 as it asks us to give the statements we got from the information given, we only start simplifying once it tells us to solve)
If the 5th term of a geometric progression (GP) is 6.25 and the 7th term is 1.5625, determine the 1st term, and the common ratio. Select one: O a. a₁ = 10, r=0.5 O b. a₁ = -100, r = 0.5 Oca₁ = 100, r = ±0.5 O d. a₁ = 100, r = ±0.25
Answer:
\(\mathrm{a=10,\ r=0.5}\)
Step-by-step explanation:
\(\mathrm{The\ nth\ term\ of\ any\ geometric\ sequence\ is\ given\ by:}\\\mathrm{t_n=ar^{n-1}}\\\mathrm{Given,}\\\mathrm{5th\ term(t_5)=6.25}\\\mathrm{or,\ ar^{5-1}=6.25}\\\mathrm{or,\ ar^4=6.25......(1)}\\\\\mathrm{And,\ 7th\ term(t_7)=1.5625}\\\mathrm{or,\ ar^{7-1}=1.5625}\\\mathrm{or,\ ar^6=1.5625.........(2)}\)
\(\mathrm{Dividing\ equation(2)\ by\ (1),}\\\mathrm{\frac{ar^6}{ar^4}=\frac{1.5625}{6.25}}\\\\\mathrm{or,\ r^2=\frac{1}{4}}\\\\\mathrm{or,\ r=\frac{1}{2}}\)
\(\mathrm{From\ equation(1)\ we\ have}\\\mathrm{ar^4=6.25}\\\mathrm{or,\ a(0.5)^4=6.25}\\\mathrm{or,\ a=100}\)
Alternative method:
\(\mathrm{Here,\ the\ sixth\ term\ of\ the\ sequence\ is\ geometric\ mean\ of\ the\ 5th\ and\ 7th}\\\mathrm{term.}\\\mathrm{So,\ we\ may\ say:}\\\mathrm{t_6=\sqrt{t_5\times t_7}}=\sqrt{6.25\times 1.5625}=3.125\\\mathrm{Now,\ common\ ratio(r)=\frac{t_6}{t_5}=\frac{3.125}{6.25}=\frac{1}{2}=0.5}\\\mathrm{We\ know,\ t_6=3.125}\\\mathrm{or,\ ar^5=3.125}\\\mathrm{or,\ a(0.5)^5=3.125}\\\mathrm{or,\ a=100}\)
The first term and common ratio of the geometric progression (GP) can be determined based on given information. First term (a₁) is 100, and the common ratio (r) is ±0.5, leading to correct answer c. a₁ = 100, r = ±0.5.
By analyzing the values of the 5th and 7th terms, we can find the relationship between them and solve for the unknowns. The correct answer is c. a₁ = 100, r = ±0.5. In a geometric progression, each term is obtained by multiplying the previous term by a constant ratio. Let's denote the first term as a₁ and the common ratio as r. Based on the given information, the 5th term is 6.25 and the 7th term is 1.5625.
Using the formula for the nth term of a geometric progression, we can express these terms in terms of a₁ and r:
a₅ = a₁ * r⁴ = 6.25
a₇ = a₁ * r⁶ = 1.5625
To solve for a₁ and r, we can divide the equations:
(a₇ / a₅) = (a₁ * r⁶) / (a₁ * r⁴)
1.5625 / 6.25 = r²
0.25 = r²
Taking the square root of both sides, we have:
r = ±0.5 Substituting the value of r back into one of the equations, we can solve for a₁:
6.25 = a₁ * (0.5)⁴
6.25 = a₁ * 0.0625
a₁ = 6.25 / 0.0625
a₁ = 100
Therefore, the first term (a₁) is 100, and the common ratio (r) is ±0.5, leading to the correct answer c. a₁ = 100, r = ±0.5.
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Consider the vector-field F=(x−ysinx−1)i^+(cosx−y2)j^ (a) Show that this vector-field is conservative. (b) Find a potential function for it. (c) Evaluate ∫CF⋅dr where C is the arc of the unit circle from the point (1,0) to the point (0,−1).
(a) The curl of F is zero, the vector field F is conservative.
To show that the vector field F = (x - ysinx - 1)i + (cosx - y^2)j is conservative, we need to check if it satisfies the condition of having a curl of zero. If the curl of F is zero, then F is conservative.
The curl of F is given by:
∇ × F = (∂(cosx - y^2)/∂x - ∂(x - ysinx - 1)/∂y)k
Taking the partial derivatives:
∂(cosx - y^2)/∂x = -sinx
∂(x - ysinx - 1)/∂y = -sinx
Substituting these values into the curl expression:
∇ × F = (-sinx - (-sinx))k = 0k = 0
The vector field F is conservative because the curl of F is zero.
(b) To find a potential function for F, we need to find a function φ(x, y) such that the gradient of φ is equal to F.
Let's find the potential function by integrating the components of F:
∂φ/∂x = x - ysinx - 1
∂φ/∂y = cosx - y^2
Integrating the first equation with respect to x, treating y as a constant:
φ(x, y) = (1/2)x^2 - ycosx - x + g(y)
Differentiating φ(x, y) with respect to y:
∂φ/∂y = -sinx + g'(y) = cosx - y^2
Comparing the expressions, we can see that g'(y) = -y^2 and g(y) = (-1/3)y^3.
Therefore, the potential function for F is:
φ(x, y) = (1/2)x^2 - ycosx - x - (1/3)y^3
(c) To evaluate the line integral ∫C F ⋅ dr, where C is the arc of the unit circle from the point (1,0) to the point (0,-1), we can parameterize the curve and use the potential function φ(x, y) we found.
The parametric equations for the unit circle are:
x = cosθ
y = sinθ
We need to find the limits of integration for θ. When (1, 0) is parameterized, we have cosθ = 1 and sinθ = 0, which gives θ = 0. When (0, -1) is parameterized, we have cosθ = 0 and sinθ = -1, which gives θ = π/2.
Using these limits, we can evaluate the line integral:
∫C F ⋅ dr = φ(cosθ, sinθ) evaluated from θ = 0 to θ = π/2
Substituting the parametric equations into φ(x, y):
∫C F ⋅ dr = ∫(1/2)(cosθ)^2 - sinθcos(cosθ) - cosθ - (1/3)(sinθ)^3 dθ from 0 to π/2
Evaluating this integral will give you the final result.
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An Assembly Line Has 10 Stations With Times Of 1, 2, 3, 4, …, 10, Respectively. What Is The Bottleneck Time? Please Show All Work!!!!
An assembly line has 10 stations with times of 1, 2, 3, 4, …, 10, respectively. What is the bottleneck time?
Please show all work!!!!
The bottleneck time is 18.18%. Therefore, option A is the correct answer.
What is the bottleneck?In economics terms, the bottleneck is a chain of supply of resources that wants the most extended time in the supply chain operation for specific demand. It also evaluated to estimate the supply chain throughput.
Through put time = Sum of all times=1+2+3+4+5+6+7+8+9+10=55
Given,
Assembly line has 10 stations
Throughput time is 55
The formula for bottleneck time is:
Bottle neck time = Total stations/Throughput time ×100
= 10/55 ×100
= 18.18%
The bottleneck time is 18.18%. Therefore, option A is the correct answer.
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"Your question is incomplete, probably the complete question/missing part is:"
An assembly line has 10 stations with times of 1, 2, 3, 4,...,10, respectively. What is the bottleneck time?
a. 18.18% of the throughput time
b. 100% of the throughput time
c. 550% of the throughput time
d. 50% of the throughput time
e. 1.82% of the throughput time
The points (15, 18) and (35,42) form a proportional relationship. Find the slope of the line through the points. Then use the slope to graph the line. The slope is
Answer:
6/5
Step-by-step explanation:
(42-18) / (35 - 15) = 24 / 20 = 6 / 5
the maked pieceof a t shirt is 220. a discount of 20% is announced on sales. then the selling price is
In this case, the marked price of 220 is the cost price and discount of 20% is announced on sales, so the selling price is 176.
How is this determined?The t-shirt costs $166.5 to purchase. To do this, multiply the listed price (220) by the discount rate (20%) stated as a decimal. This will give you the amount of the discount (0.20).
220*0.20 =44
The selling price is then determined by deducting the discount (44) from the marked price (220):
220-44 =176
Before applying any markups or reductions, the retailer paid the item's cost price, commonly referred to as the wholesale price. The price a consumer pays to purchase an item is known as the selling price. The selling price will be less than the advertised price if a discount is being offered, and the difference between the two represents the discount.
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I just need some help with the math for this 3-part problem.
Data for this question. A 180-cm3 soil sample was collected three days after a drenching rain when
the soil was assumed to be at field capacity (Not Saturated!). The wet weight of the sample was 274.1 g
and after drying overnight in an oven the sample weighed 214.7 g.
1. What was the gravimetric moisture content of this soil at field capacity?
1a. What is the dry bulk density of this sample?
1b. What is the porosity of this sample as a percent of the total volume?
1) The gravimetric moisture content of the soil at field capacity is approx 27.62%.
2) The dry bulk density of the sample is approximately 1.193 g/cm^3.
3) The porosity of the sample, as a percentage of the total volume, is approximately 54.96%.
1) The gravimetric moisture content of the soil at field capacity can be calculated using the following formula:
Gravimetric Moisture Content = ((Wet Weight - Dry Weight) / Dry Weight) * 100
Given:
Wet Weight = 274.1 g
Dry Weight = 214.7 g
Using the formula, we can substitute the values:
Gravimetric Moisture Content = ((274.1 - 214.7) / 214.7) * 100
Gravimetric Moisture Content = (59.4 / 214.7) * 100
Gravimetric Moisture Content ≈ 27.62%
The gravimetric moisture content of the soil at field capacity is approximately 27.62%.
The gravimetric moisture content represents the amount of water present in a given mass of soil. By subtracting the dry weight of the soil from the wet weight and dividing by the dry weight, we can determine the proportion of water in the sample. Multiplying by 100 gives the moisture content as a percentage.
1a. The dry bulk density of the sample can be calculated using the following formula:
Dry Bulk Density = Dry Weight / Sample Volume
Given:
Dry Weight = 214.7 g
Sample Volume = 180 cm^3
Substituting the values into the formula:
Dry Bulk Density = 214.7 g / 180 cm^3
Dry Bulk Density ≈ 1.193 g/cm^3
The dry bulk density of the sample is approximately 1.193 g/cm^3.
Dry bulk density refers to the mass of dry soil per unit volume. To calculate it, we divide the dry weight of the soil by the sample volume.
1b. The porosity of the sample can be calculated using the following formula:
Porosity = (1 - (Dry Bulk Density / Particle Density)) * 100
The particle density for soil is usually around 2.65 g/cm^3.
Given:
Dry Bulk Density = 1.193 g/cm^3
Particle Density = 2.65 g/cm^3
Substituting the values into the formula:
Porosity = (1 - (1.193 / 2.65)) * 100
Porosity ≈ 54.96%
The porosity of the sample, as a percentage of the total volume, is approximately 54.96%.
Porosity represents the void space within a soil sample. It is calculated by subtracting the ratio of the dry bulk density to the particle density from 1 and multiplying by 100 to get the percentage. In this case, the particle density of 2.65 g/cm^3 is a typical value for soil.
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Let z be the standard normal variable with expected value 0 and variance (standard deviation). According to the chebyshev inequality,
P(|Z| >= 0.95) <= __________
The Chebyshev inequality tells us that P(|Z| >= 0.95) is less than or equal to 1.109.
What is Chebyshev inequality?Chebyshev's inequality, also known as the Bienaymé-Chebyshev inequality, establishes in probability theory that, for a large class of probability distributions, no more than a specific percentage of values can deviate significantly from the mean.
According to the Chebyshev inequality, for any random variable with expected value μ and variance σ², the probability that the random variable deviates from its expected value by a certain amount or more is bounded.
In this case, we have a standard normal variable Z with expected value μ = 0 and variance σ² = 1 (since it is a standard normal variable).
The Chebyshev inequality states that for any k > 0,
P(|Z - μ| >= kσ) <= 1/k².
In our case, we want to find P(|Z| >= 0.95), which can be written as P(|Z - μ| >= 0.95σ) since the expected value μ is 0.
Substituting k = 0.95 and σ = 1 into the inequality, we have:
P(|Z - 0| >= 0.95 * 1) <= 1/0.95².
Simplifying further,
P(|Z| >= 0.95) <= 1/0.9025.
Calculating the value,
P(|Z| >= 0.95) <= 1.109.
Therefore, the Chebyshev inequality tells us that P(|Z| >= 0.95) is less than or equal to 1.109.
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In a race, Jason's position was −11 1/5 feet relative to the leader after 1 3/4 minutes. On average, how much did Jason's position relative to the leader change per minute?
Enter your answer as a mixed number, in simplified form, in the box.
[ ] ft
Jason's distance from the leader changes at a rate of -8.32 feet each minute.
What is fraction?In mathematics, a fraction is used to denote a portion or component of the total. It stands for the proportionate pieces of the whole. Numerator and denominator are the two components that make up a fraction. The numerator is the number at the top, while the denominator is the number at the bottom. The components of a whole or group of items are represented by fractions. A fraction consists of two components. The numerator is the figure at the top of the line. It details the number of equal portions that were taken from the total or collection. The denominator is the figure that appears below the line.
Here,
=-11 1/5 / 1 3/4
≈ -8.32 ft / min
The Jason's position relative to the leader change per minute at the rate of -8.32 ft / min.
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Write equation of the line with the given slope and Y intercept.
Slope = 1/2.
Y-intercept = 7.
Answer:
y = 1/2x + 7
Step-by-step explanation:
The equation is y = mx + b where m is the slope and b is the y-intercept. So you simply plug in 1/2 for m and 7 for b and you get y = 1/2 +7
What is the missing reasons in the proof?
answer:
substituion property or transitive property
step-by-step explanation:
we already knew that <ABC was 90 degrees, therefore all we had to do was substitute, therefore transitive propertyEvaluate the expression 3(7 + 4)2 − 14 ÷ 7.
A 50 HELP PLZ :(
B 361
C 363
D 586
What are the coordinates of the point on the directed line segment from (-10, -5) to (5, 1) that partitions the segment into a ratio of 1 to 2?
if you make a graph and add the coordinates on the graph you can use that find out how it creates a ratio of 1:2
(b) an experiment involving peas results in 580 offspring, 152 of which peas have yellow pods. mendel claimed that the proportion of peas with yellow pods should be 25%. we want to know if these data are consistent with mendel's hypothesis. which statistical inference procedures should we use?
As per Mental hypothesis, the statistical inference procedures that we should use Chi-square test for goodness of fit.
Hypothesis
In probability, an idea or explanation that you then test through study and experimentation is known as hypothesis.
Given,
Here we have given that, an experiment involving peas results in 580 offspring, 152 of which peas have yellow pods. Mendel claimed that the proportion of peas with yellow pods should be 25%. we want to know if these data are consistent with Mendel's hypothesis.
And we need to find in which statistical inference procedures should we use.
According to the definition of Chi-square test for goodness of fit, the claim is that the proportion of peas with yellow pods should be 25%. And then here the researcher wants to check that the experimental and observed counts of yellow offspring peas shows significant difference or not.
So, the statistical procedure used to study this case is Chi-square test for goodness of fit . Hence, option (1) is correct.
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4a) Why are the two triangles congruent? *
H
M
K
J
L
Answer:
SAS Congruency (see below)
Step-by-step explanation:
First, prove the two triangles congruent:
You should know that ∠HKL ≅ ∠MKL because of Vertical Angles Congruence Theorem because they're vertical angles.
If it's already given that HK ≅ MK and JK ≅ LK, then you can clearly see that you can use the SAS Postulate to prove ΔHKL ≅ ΔMKL.
For a flow chart proof for this, refer to the image:
everyday dave eats either a sandwich or a pizza for lunch over 42 days dave had pizza 3 imes for every 4 times he ghad a sandwich over the next x days he had pizza 3 times and sandwich 2 times he had sand wich if a the nd oth e entire period he had pizza hass many times as he has a sandwich what is the value of x
The value of x is 30 finding by using arithmetic operations.
What is period ?Further, for the x-day period,
Pizza days
\(= x days \times (3 days out of total of 5 days) \\= x days \times \frac{3}{5} \\= \frac{3x}{5} days\)
similarly
Sandwich days = x days (2 days out of total of 5 days) \(=\frac{2x}{5}\) days
If total pizza days = total sandwich days, then
\(18+ \frac{3x}{5} = 24+ \frac{2x}{5}\)
subtract \(\frac{2x}{5}\) from each side
\(18+ \frac{3x}{5}- \frac{2x}{5} = 24\\ \Rightarrow 18 + \frac{x}{5} = 24\)
subtract 18 from each side,
\(18-18 + \frac{x}{5} = 24-18 \\\Rightarrow \frac{x}{5} = 24-18 = 6 \\\Rightarrow x=5 \times 6=30\)
Check:
Pizza days = 18+30\(\times \frac{3}{5}\) = 36 days
Sandwich days = 24 + 30\(\times \frac{2}{5}\) = 24+12 = 36 days
The value of x Over 42 days, Dave had pizza 3 times for every 4 times he had a sandwich." 3=number of pizza days in a week.
so over 42 days, there are 6 weeks, so there are 6*3=18 pizza days.
If we calculate differently,
put Pizza days (out of 42) = (42/7)[# of weeks] * 3 [ pizza days / week]
which is the same as 42 days * (3/7) number of pizza days per 7 days.
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a pollster wishes to estimate the number of left-handed scientists. how large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4%? a previous study indicates that the proportion of left-handed scientists is 8%.
If a pollster wishes to estimate the number of left-handed scientists. The sample that is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4% is: 176.71.
How to find the sample?Using this formula to find the sample
n =Z²π (1-π) ÷ e²
Where:
n =sample size =?
Z = Z -score for 95% confidence level =1.960
π = Population proportion = 0.08
e = Margin of error = 0.04
Let plug in the formula
n = 1.96² × 0.08 × (1 - 0.08) ÷ 0.04²
n = 3.8416× 0.08 × 0.92 ÷ 0.0016
n = 176.71
Therefore the sample is 176.71.
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I don't know what I did wrong. Can you help me please?
Answer:
\(y=1500 * 0.9475^t\)
Step-by-step explanation:
Your mistake was that you multiplied by 1.0525 which would have been the case if the population of the forest increased, however they tell us that the population decreased. Therefore, the equation will be \(y=1500 * 0.9475^t\).
Hope this helps :)
if my avg is a 96 and my final exam is a 75 which is 25% of my whole grade what will my final grade be
Step-by-step explanation:
That means the 96 is 75% of your grade
96 (.75) + 75 (.25) = 90.75 final grade
If $1 in U.S. Dollars is equivalent to 0.1276 Chinese yuan, convert $17,000 to yuan. The U.S. dollars, $17,000, is equivalent to yuan.
The conversion rate of $1 to Chinese yuan is 0.1276. Therefore, to convert $17,000 to yuan, we multiply the amount in dollars by the conversion rate. Thus, $17,000 is equivalent to 2,169,200 yuan.
To convert $17,000 to yuan, we multiply the amount in dollars by the conversion rate. The conversion rate is given as $1 = 0.1276 yuan.
Therefore, the calculation is as follows:
$17,000 * 0.1276 yuan/$1 = 2,169,200 yuan.
So, $17,000 is equivalent to 2,169,200 yuan.
In summary, by multiplying $17,000 by the conversion rate of 0.1276 yuan/$1, we find that $17,000 is equivalent to 2,169,200 yuan.
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Please help me I'm stuck. I will give 30 points for this one. Given triangle ABC tilde triangle PQR and your scale factor Complete the hotspots for these similar triangles and show work
The value for the hotspots of the similar triangles ∆ABC and ∆PWR are:
(1). angle B = 68°
(2). PQ = 5cm
(3). BC = 19.5cm
(4). area of ∆PQR = 30cm²
What are similar trianglesSimilar triangles are two triangles that have the same shape, but not necessarily the same size. This means that corresponding angles of the two triangles are equal, and corresponding sides are in proportion.
(1). angle B = 180 - (22 + 90) {sum of interior angles of a triangle}
angle B = 68°
Given that the triangle ∆ABC is similar to the triangle ∆PQR.
(2). PQ/7.5cm = 12cm/18cm
PQ = (12cm × 7.5cm)/18cm {cross multiplication}
PQ = 5cm
(3). 13cm/BC = 12cm/18cm
BC = (13cm × 18cm)/12cm {cross multiplication}
BC = 19.5cm
(4). area of ∆PQR = 1/2 × 12cm × 5cm
area of ∆PQR = 6cm × 5cm
area of ∆PQR = 30cm²
Therefore, the value for the hotspots of the similar triangles ∆ABC and ∆PWR are:
(1). angle B = 68°
(2). PQ = 5cm
(3). BC = 19.5cm
(4). area of ∆PQR = 30cm²
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The ratio of boy to girl who play kickball at rece i 6 to 2. There are 18 girl on the team. What i the nu
mber of boy who play kickball at rece?
The ratio of boy to girl who play kickball at race is 6 to 2. There are 18 girl on the team. the number of boys who play kickball at race is 12 boys.
The ratio of boy to girl who play kickball at race is 6 to 2
6 boys: 2 girls
Multiply the number of girls by the ratio:
18 girls x (6 boys / 2 girls) = 18 x 3 = 54
Subtract the number of girls from the total to get the number of boys:
54 - 18 = 36
Therefore, there are 12 boys who play kickball at race.
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I-Ready
Describe Angle Relationships in Triangles - Quiz - Level H
The figure shoys a triangle with unknown angles.
Which equation shows the relationship between the angles in the triangle?
mL1 + mL2 + mL3 = 360°
mL1 + mL2 + mL3 = 180°
mL1 + mL2 = 360° + mL3
mL1 + mL2 = 180° + mL3
The equation that shows the relationship between the angles in the triangle is m∠1 + m∠2 + m∠3 = 180.
What is the relationship between the angles of the triangle?The equation that shows the relationship between the angles in the triangle is determined as follows;
The sum of angles in a triangle is equal to 180 degrees.
So based on this information, the equation that shows the relationship between the angles in the triangle is formulated as;
angle 1 + angle 2 + angle 3 = 180
We can re-write the equation as follows;
m∠1 + m∠2 + m∠3 = 180
Thus, the equation that shows the relationship between the angles in the triangle is the sum of angle 1 plus angle 2 plus angle 3.
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Find the length of the unknown leg of the right triangle. Use pencil and paper.
Draw the triangle on graph paper and measure to verify the answer.
Answer:
15Step-by-step explanation:
Use Pythagorean:
x² + 2.75² = 15.25²x² = 15.25² - 2.75²x² = 225x = √225x = 15Step-by-step explanation:
Perpendicular=p=2.75Hypotenuse=h=15.25we know that
\( \boxed{ \sf \: h {}^{2} = {p}^{2} + {b}^{2} } \\ \rm \mapsto \: {(15.25)}^{2} = {(2.75)}^{2} + {b}^{2} \\ \rm \mapsto \: {b} {}^{2} = {(15.75)}^{2} - {(2.75)}^{2} \\ \rm \mapsto \: b = \sqrt{ {(15.25)}^{2} - {(2.75)}^{2} } \\ \rm \mapsto \: b = \sqrt{232.5 - 7.5} \\ \rm \mapsto \: b = \sqrt{225.5} = 15.07=15(approx)\)
(a) True or false: The degree of the sum of two polynomials is at least as large as the degree of each of the two polynomials. (b) True or false: The degree of the product of two polynomials
True: The degree of the sum of two polynomials is at least as large as the degree of each of the two polynomials.
When adding two polynomials, the degree of the resulting polynomial will be determined by the highest degree term in either polynomial. Consider two polynomials: P(x) of degree n and Q(x) of degree m. Let's assume n ≥ m. The highest degree term in P(x) will be of the form ax^n, and the highest degree term in Q(x) will be of the form bx^m. When we add these two terms together, the resulting term will be ax^n + bx^m. Since n ≥ m, the degree of this term is n.
The other terms in the polynomials may have lower degrees, but the highest degree term, which determines the overall degree of the sum, is n. Therefore, the degree of the sum of the two polynomials is at least as large as the degree of each of the two polynomials. (b) False: The degree of the product of two polynomials is not necessarily equal to the sum of the degrees of the two polynomials. When multiplying two polynomials, the degree of the resulting polynomial is determined by the highest degree term obtained by multiplying the highest degree terms of the two polynomials. Consider two polynomials: P(x) of degree n and Q(x) of degree m.
The highest degree term in P(x) will be of the form ax^n, and the highest degree term in Q(x) will be of the form bx^m. When we multiply these two terms together, the resulting term will be abx^(n+m). The degree of this term is (n+m), which means the degree of the product is not equal to the sum of the degrees of the two polynomials. It's important to note that in certain cases, such as when multiplying polynomials of degree 1, the degree of the product can be equal to the sum of the degrees. However, in general, the degree of the product of two polynomials is not necessarily equal to the sum of the degrees.
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40 POINTS! CAN SOMEONE PLEASE HELP ME MATCH GRAPHS FOR BRAINLIEST! ONLY 3 TO MATCH.