Answer:
m = 0, y = -6
Step-by-step explanation:
using point slope form :
\(y - y_{1} = m(x - x_{1})\)
y-y1=m(x-x1) ; initial point (x1,y1) = (4,-6), final point (x,y) = (7,-6).
one substituted, it should look like this:
-6--6 = m(7-4),
-6+6= m(7-4)
0 = m(7-4)
0 = 3m
0/3 = 3/3m
0 = m
m = 0/3 = 0
Solve for x to the nearest hundredth: 5•3 with an x exponent equals 60
Divide by 5 both sides
3^x=60/5
3^x=12
Apply log both sides
log(3^x)=log(12)
xlog(3)=log(12)
x=log(12)/log(3)
using a calculator
x=2.26insert grouping symbols to make the number sentences true. 36 / 6 - 5 = 36
Answer:
36 divided by (6-5) = 36
Step-by-step explanation:
6-5 = 1
36 divided by 1 = 36
Fill The Blank! in general, if the sample size is large, adding an extremely large outlier to a data set will not substantially affect _____ .
In general, if the sample size is large, adding an extremely large outlier to a data set will not substantially affect the mean.
A very large outlier will typically not significantly change the mean of a data set if the sample size is large. However, adding an extremely large outlier to a data set with a small sample size can have a substantial effect on the mean.
This is because the mean is heavily influenced by the values of the individual data points, and an outlier can have a disproportionately large impact on the mean if the sample size is small.
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An automobile factory is assembling cars and they need to have all of the parts in stock at the assembly line. each car needs four tires and a spare tire for the trunk. if they produce c cars per day, what formula shows how to calculate the number of tires, t, needed? a. c = 4 t 1 c. t = 4 c 1 b. t = c 4 d. t = 5 c please select the best answer from the choices provided a b c d
The correct formula to calculate the number of tires, t, needed for c cars per day is t = c/4, which is option b).
The formula that shows how to calculate the number of tires, t, needed for c cars per day is option b) t = c/4.
To understand this formula, let's break it down step by step:
1. Each car needs four regular tires and one spare tire for the trunk. So, the total number of tires needed for one car is 4 + 1 = 5.
2. If we want to calculate the total number of tires needed for c cars, we can multiply the number of cars by the number of tires needed per car, which is 5. So, the formula becomes t = 5c.
3. However, we need to find the number of tires needed, which is represented by t. Since we have t on the left side of the equation, we can rearrange the formula by dividing both sides by 5: t/5 = c.
4. Now, we have the number of tires needed (t) expressed in terms of the number of cars (c), but we want to find the number of cars needed given the number of tires (t).
To do this, we can rearrange the formula again by dividing both sides by 4: t/4 = c/4.
Therefore, the correct formula to calculate the number of tires, t, needed for c cars per day is t = c/4, which is option b).
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Pls hurry !
What is the graph of the equation?
X=-3
Answer:
I think b because line was on x-e
simplify each expression 3(m-5)+m
I will give brainiest to the best answer.
what is half of the square root of 72?
Plz answer in square root form. Thank you
Answer:
3sqrt(2)
Step-by-step explanation:
72=6^2 x 2 so sqrt(72)=6sqrt(2)
divide by 2 to get 3sqrt(2)
Answer:
\(answer \: is \: = \: \sqrt[6]{2} \)
\(to \: know \: the \: answer \: with \: proof\)
\(refer \: to \: the \: above \: attatchmet \: \)
Hope this helps you !!PLEASE HURRY
Simplify:
6m/m-3 + m/m+1
Simplify
Identify the common factor
{6m/m-3 + m/m+1
(m+1) . (6-3) /(m+1) + (m-3)/ (m+1)
Add fractions with the same denominator together.
terms to put constants on the left and reorder them
Solution
7m^{2}+3m / m^2-2m-3
The answered are 7 3 2 3
What does the algebraic expression M mean?
The slope of a line is represented by the letter "m" in algebra. A line's slope defines both its direction and steepness.
The order in which you perform operations in arithmetic and algebra is governed by a number of laws. The Commutative, Associative, and Distributive Laws are the three that receive the most attention. People have discovered over time that adding or multiplying doesn't depend on the order of the numbers
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21. Find the measure of the indicated angle to the nearest degree.
The trigonometric function gives the ratio of different sides of a right-angle triangle. The measure of the indicated angle will be 32°.
What are Trigonometric functions?The trigonometric function gives the ratio of different sides of a right-angle triangle.
\(\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}\\\\\\Cosec \theta=\dfrac{Hypotenuse}{Perpendicular}\\\\\\Sec \theta=\dfrac{Hypotenuse}{Base}\\\\\\Cot \theta=\dfrac{Base}{Perpendicular}\\\\\\\)
where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite the 90° angle.
The measure of the indicated angle can be found using the cosine function of trigonometry, therefore,
Cos(θ) = 11/13
θ = Cos⁻¹(11/13)
θ = 32.2°
Hence, the measure of the indicated angle will be 32°.
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In statistical experiments, each time the experiment is repeateda. the same outcome must occurb. the same outcome can not occur againc. a different outcome may occurd. None of the other answers is correct.
In statistical experiments, each time the experiment is repeated, a different outcome may occur. The correct answer is C.
Statistical experiments involve random processes, such as the random selection of individuals from a population, the random assignment of subjects to groups, or the random measurement of a variable.
The outcome of a statistical experiment is influenced by chance and is inherently uncertain, so it is not possible to guarantee that the same outcome will occur every time the experiment is repeated. Different outcomes may occur, even if the experimental conditions are kept constant, due to the random nature of the processes involved.
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You need a piece of paper to measure 64 Dash 25 cylinders if you take two together that each measure 38.4 silver meters how much do you need to cut off
Answer:
The length needed to cut off is 12.55 cm
Step-by-step explanation:
The corrected question is:
you need a piece of paper to measure 64.25 cm. If you tape two together that each measure 38.4 cm, how much do you need to cut off?
Solution:
measurement/length of each paper piece = 38.4 cm
measurement/ length required = 64.25 cm
If length of one paper piece is 38.4 cm then if we tape 2 pieces together then the measurement or length is calculated as:
38.4 + 38.4 = 76.8 cm
So to calculate how much we need to cut off:
length required to cutoff = total length of two pieces - length required
= 76.8 - 64.25
= 12.55 cm
So the length required to cut off is 12.55 cm
Isabella wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 61 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 14.3 and a standard deviation of 2.2. What is the 98% confidence interval for the number of chocolate chips per cookie for Big Chip cookies
The 98% confidence interval for the number of chocolate chips per cookie in Big Chip cookies is approximately 13.5529 to 15.0471 chips.
To find the 98% confidence interval for the number of chocolate chips per cookie in Big Chip cookies, we'll use the t-distribution since the sample size is relatively small (n = 61) and we don't know the population standard deviation.
The formula for the confidence interval is:
\(CI = \bar X \pm t_{critical} \times \dfrac{s } {\sqrt{n}}\)
where:
X is the sample mean,
\(t_{critical\) is the critical value for the t-distribution corresponding to the desired confidence level (98% in this case),
s is the sample standard deviation,
n is the sample size.
First, let's find the critical value for the t-distribution at a 98% confidence level with (n-1) degrees of freedom (df = 61 - 1 = 60). You can use a t-table or a calculator to find this value. For a two-tailed 98% confidence level, the critical value is approximately 2.660.
Given data:
X (sample mean) = 14.3
s (sample standard deviation) = 2.2
n (sample size) = 61
\(t_{critical\) = 2.660 (from the t-distribution table)
Now, calculate the confidence interval:
\(CI = 14.3 \pm 2.660 \times \dfrac{2.2} { \sqrt{61}}\\CI = 14.3 \pm 2.660 \times \dfrac{2.2} { 7.8102}\\CI = 14.3 \pm 0.7471\)
Lower bound = 14.3 - 0.7471 ≈ 13.5529
Upper bound = 14.3 + 0.7471 ≈ 15.0471
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What are the coordinates of the vertex of y=x²+4x+3?
Answer:
(-2, -1).
Step-by-step explanation:
y = x² + 4x + 3
Completing the square:
y = (x + 4/2)^2 - (4/2)^2 + 3
y = (x + 2)^2 - 4 + 3
y = (x + 2)^2 - 1.
This is vertex form and the coordinates of the vertex are (-2, -1).
use the present value formula to determine the amount to be invested now, or the present value needed.
The desired accumulated amount is $50,000 after 14 years invested in an account with 7% interest compounded annually
The amount to be invested now, or the present value needed, is ???
(Round to the nearest cent as needed.)
The amount to be invested now, or the present value needed, is $22873.75
How to find the present value?We solve the problem using the compound interest formula for amount
A = P(1 + r)ⁿ where
P = present value, r = interest rate and n = number of years.What is the present value?Making P subject of the formula, we have
P = A/(1 + r)ⁿ
Given that
A = $50,000, r = 7% = 0.07 and n = 14Substituting the values of the variables into the equation, we have
P = A/(1 + r)ⁿ
P = 50000/(1 + 0.07)¹⁴
P = 50000/(1.07)¹⁴
P = 50000/1.7317
P = 22873.75
So, the amount to be invested now, or the present value needed, is $22873.75
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Find the fourth degree polynomial that contains the origin and to which the line x+2y=14 is tangent at both x=4 and x=-2.
Answer: 60,30,180, and 37
Step-by-step explanation:
Complete the paragraph proof.
Given: and are right angles
Line segment A B is-congruent-to line segment B C Line segment B C is-congruent-to line segment A C
Prove: Line A R bisects Angle B A C
Answer:
wea did tha r come from??
Step-by-step explanation:
it is supposed to be d
Help slove this problems
Answer: k= 10,-3 j=10,-8 L=5,-9 please give me the brainliest if you want to
Step-by-step explanation:
Need answer fast!!!!
Please help, solve for x and n
Answer:
1. \( \boxed{ \bold{ \huge{ \boxed{ \sf{x = 1}}}}}\)
2. \( \boxed{ \bold{ \huge{ \boxed{ \sf{n = - 5}}}}}\)
Step-by-step explanation:
1. \( \sf{ \frac{6}{x + 1} = \frac{3}{x} }\)
Do cross multiplication
\( \dashrightarrow{ \sf{6x = 3(x + 1)}}\)
Distribute 3 through the parentheses
\( \dashrightarrow{ \sf{6x = 3x + 3}}\)
Move 3x to left hand side and change it's sign
\( \dashrightarrow{ \sf{6x - 3x = 3}}\)
Collect like terms
\( \dashrightarrow{ \sf{3x = 3}}\)
Divide both sides by 3
\( \dashrightarrow{ \sf{ \frac{3x}{3} = \frac{3}{3} }}\)
Calculate
\( \dashrightarrow{ \sf{x = 1}}\)
The value of x is 1
---------------------------------------------------------------------
2. \( \sf{ \frac{2}{6} = \frac{2n + 8}{n - 1}} \)
Do cross multiplication
\( \dashrightarrow{ \sf{2(n - 1) = 6(2n + 8)}}\)
Distribute 2 through the parentheses
Similarly, distribute 6 through the parentheses
\( \dashrightarrow{ \sf{2n - 2 = 12n + 48}}\)
Move 12n to left hand side and change it's sign
Similarly, move 48 to right hand side and change it's sign
\( \dashrightarrow{ \sf{2n - 12n = 48 + 2}}\)
Collect like terms
\( \dashrightarrow{ \sf{ - 10n = 48 + 2}}\)
Add the numbers : 48 and 2
\( \dashrightarrow{ \sf{ - 10n = 50}}\)
Divide both sides by -10
\( \dashrightarrow{ \sf{ \frac{ - 10n}{ - 10} = \frac{50}{ - 10} }}\)
Calculate
\( \dashrightarrow{ \sf{n = - 5}}\)
The value of n is -5 .
Hope I helped!
Best regards! :D
how many constant terms are in n²÷3+6n
Answer:
3
Step-by-step explanation:
Parallelogram JKLM is reflected across a horizontal line through its center and then translated down and to the left to produce parallelogram QTSR
K
110°
R
S
9 ft
70°
M 12 ft
L
T
m
What is true about the angles and side lengths of parallelogram QTSR?
Enter the correct answers in the boxes
Answer:
\(\huge\boxed{Q = 110 \textdegree, \ ST = 9 \ \text{ft}}\)
Step-by-step explanation:
When we reflect and transform a figure, the angle lengths nor the side lengths are touched. The side length only changes if we dilate or stretch the figure, and the angle length only changes if we stretch the figure.
Therefore, we know the information is going to be the exact same. We just have to figure out what corresponds to what from JKLM to QTSR.
If we reflect a figure across a horizontal reflection line through its center, the figure will just flip sides. M will be J, L will be K, etc.
When we translate this down, nothing changes except its position. So we can pretend these two shapes are right on top of each other for now.
When we move these right on top of each other, we can see that Angle J overlaps with Angle Q. Since they don't have any weird intersects, we know that angle J will be equal to Angle Q. Since we already know J is 110°, we know Q is also 110°.
When we move it on top, we also see that KL overlaps with ST perfectly. Since we know KL is 9, that must mean ST is also 9.
Hope this helped!
factor by grouping (or any method): 81x^2 + 9
Answer:
9(9x^2+1)
Step-by-step explanation:
Just factor the 9 out.
Answer:
ur answer is 607.51
Step-by-step explanation:
the length and width of a rectangular soccer field can be representedby 5x - y and x 3y. find the polynomial expression that represents thearea of the soccer field. write your answer in descending order. please use the palette below to enter your answer.
the polynomial expression that represents the area of the soccer field is
5x^2 -16xy +3y^2
given length of a rectangular soccer is 5x -y
and width of a rectangular soccer is x- 3y
find the polynomial expression that represents the area of the soccer field.
we know that the formula for the area of a rectangle is
area= length * width
=( 5x-y)*( x-3y)
= 5x^2 -15xy-xy +3y^2
= 5x^2 -16xy +3y^2
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Answer those please
11.) 0.5.
12.) 0.25.
13.)1/2,0.49,55%.
14.)2/5,0.6,35%.
15.) To get a whole number from a fraction you have to multiply the fraction by the denominator of the fraction=5/9×9=5.
or you can say that can add 4/9 to 5/9=9/9=1 a whole number also
Two similar polygons are shown below:
A coordinate grid is shown from positive 6 to negative 6 on the x-axis and from positive 6 to negative 6 on the y-axis. A polygon PQRS is shown with vertex P on ordered pair negative 4, negative 2, vertex Q on ordered pair negative 4, negative 6, vertex R on ordered pair negative 2, negative 4 and vertex S on ordered pair negative 2, negative 2. A polygon P prime Q prime R prime S prime is shown with vertex P prime on ordered pair negative 2, negative 1, vertex Q prime on ordered pair negative 2 , negative 3, vertex R prime on ordered pair negative 1, negative 2 and vertex S prime on ordered pair negative 1, negative 1.
Which transformation was performed on PQRS to form P'Q'R'S'?
A dilation factor of 2
A dilation factor of 4
A dilation factor of 1 over 2
A dilation factor of 1 over 4
Answer:
A dilation factor of 1 over 2
Step-by-step explanation:
A dilation factor of 1 over 2 which is the correct answer would be an option (C)
What is Dilation?Dilation is a process for creating similar figures by changing the size.
What is a graph?A graph can be defined as a pictorial representation or a diagram that represents data or values.
Here polygons PQRS is dilated to form polygons P'Q'R'S'
Given that the coordinates for each of the shapes:
Regular:
P = -4, -2
Q = -4, -6
R = -2, -4
S = -2, -2
Prime notation:
P' = -2, -1
Q' = -2, -3
R' = -1, -2
S' = -1, -1
We have to determine the dilation factor.
As we know dilation factor is the ratio of sides in the original image and the image after dilation.
Dilation factor = P'S'/PS
Dilation factor = 1/2
Hence, a dilation factor of 1 over 2 that polygons PQRS is dilated to form polygons P'Q'R'S'
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Identify the function as a power function, a polynomial function, or neither.
Given:
\(f(x)=x^5\)Required:
To calculate which option is correct
Explanation:
Definition of power function
a function of a parameter under statistical test whose value for a particular value of the parameter is the probability of rejecting the null hypothesis if that value of the parameter happens to be true.
A polynomial function is a function that involves only non-negative integer powers or only positive integer exponents of a variable in an equation like the quadratic equation, cubic equation, etc. For example, 2x+5 is a polynomial that has exponent equal to 1.
Required answer:
Hence it is a power function
Jax came to your bank to borrow 8,500 to start a new business. Your bank offers him a 30-month loan with an annual simple interest rate of 4.35%
a) The simple interest for the loan is $927.19.
b) The total amount that Jax will have to pay at the end of 30 months is $9,427.19.
a) To calculate the simple interest for the loan, we can use the formula:
Simple Interest = Principal x Rate x Time
where Principal is the amount borrowed, Rate is the annual interest rate, and Time is the duration of the loan in years.
Since the loan is for 30 months, which is equivalent to 2.5 years, we can substitute the given values:
Simple Interest = 8,500 x 0.0435 x 2.5 = $927.19
b) To determine the total amount that Jax will have to pay at the end of 30 months, we need to add the simple interest to the original amount borrowed. The total amount can be calculated using the formula:
Total Amount = Principal + Simple Interest
Substituting the given values:
Total Amount = 8,500 + 927.19 = $9,427.19
In summary, Jax will have to pay $927.19 in simple interest and a total of $9,427.19 at the end of 30 months to repay the 8,500 loan with an annual simple interest rate of 4.35%.
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Evaluate 3(5 - 8) - 7
02.
0-16
0-7
Answer: -16
Step-by-step explanation:
HELP ASAP
Similarity:Question 10 Which rectangle is similar to a rectangle with length 12 cm and a width 20 cm?
Select one:
a rectangle with dimensions 3 cm and 5 cm
a square with perimeter 180 cm
any rectangle with perimeter 180 cm
a rectangle with dimensions 50 cm and 60 cm
Answer:
the answer is a rectangle with dimensions 3cm and 5cm
motorcyclist has an acceleration of 5 mi/hr if his initial velocity is 45 mi/hr what is his final velocity after 4 hours
Step-by-step explanation:
Hey there!!
Given,
acceleration (a) = 5 mi/hr^2
Initial velocity (u)= 45mi/hr
Time (t) = 4 hrs.
Now,
Final velocity (v) =?
We have,
\(a = \frac{v - u}{t} \)
Putting their values,
\(5 = \frac{v - 45}{4} \)
Simplifythem.
20 = v - 45
v = 65.
Therefore, the finalvelocity is 65mi/hr.
Hope it helps....
Answer:
65mi/hr
Step-by-step explanation: