Answer:
Option C
Step-by-step explanation:
Yw!
The graph of \(x+5\geq1\) and \(x-7\leq-3\) is given by (D) Solution, \(\mathbf{x\geq-4\text{ and }x\leq4}\).
What is Graph?The graph is a pictorial representation of a mathematical function or relation.
What is Inequality?Inequality is a mathematical relation between variable and number or mathematical quantities using inequal signs (greater than, less than, greater than or equal, less than or equal) between them.
Given the inequality are \(x+5\geq1\) and \(x-7\leq-3\).
Solving the inequality we get,
\(x+5\geq1\\x+5-5\geq1-5\\x\geq-4\)
and
\(x-7\leq-3\\x-7+7\leq-3+7\\x\leq4\)
So the solution is \(x\geq-4,x\leq4\).
Hence the correct option for solution and graph is (D).
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If
to DEF?
A 23
B. 16°
C. 32°
D. 58°
The calculated measure of the angle D is (c) 32 degrees
How to determine the measure of the angleFrom the question, we have the following parameters that can be used in our computation:
The triangles ABC and DEF
The triangles are similar triangles
This means that the corresponding angles are equal
Given that
A = 32 degrees
And the corresponding angle is D
We have
D = 32 degrees
Hence, the measure of the angle is (c) 32 degrees
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How do find the median and range..?
give examples!
Answer:
Count how many numbers you have. If you have an odd number, divide by 2 and round up to get the position of the median number. If you have an even number, divide by 2. Go to the number in that position and average it with the number in the next higher position to get the median.
The range is calculated by subtracting the lowest value from the highest value.
Step-by-step explanation:
hope this helped!
Answer:
It is the number in the middle of a set of numbers arranged in ascending order, it will be easier to find median if the set of given numbers are even if its an odd number, then divide the number by 2.
To find the range subtract the lowest value from the highest value
Step-by-step explanation:
And please tell me how you did it
The unknown angle in the cyclic quadrilateral is as follows:
m∠CML = 109 degrees
How to find an angle in a cyclic quadrilateral?A cyclic quadrilateral is a quadrilateral which has all its four vertices lying on a circle.
The sum of angles in a cyclic quadrilateral is 360 degrees.
Therefore, let's find m∠CML as follows:
Using the arc angle and opposite angle of a quadrilateral theorem,
6x + 25 = 1 / 2 (7x + 14 + 106)
6x + 25 = 1 / 2(7x + 120)
6x + 25 = 7 / 2 x + 60
6x - 7 / 2 x = 60 - 25
6x - 3.5x = 35
2.5x = 35
divide both sides by 2.5
x = 35 / 2.5
x = 14
Therefore,
m∠CML = 6x + 25 = 6(14) + 25 = 84 + 25 = 109 degrees
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- If the difference of 15 and a number is 5, what is the number?
Answer:
The difference of 15 and a number is 5 indeed 10 to be 15
Answer:
10
Step-by-step explanation:
A customer at an electronics store opened a store credit card to purchase a computer for $1,800. The store put the entire purchase on the credit card with an APR of 17.99%. The customer
pays $125 per month until the balance is paid off. Determine the total amount of interest paid.
A spreadsheet was used to calculate the correct answer. Your answer may vary slightly depending on the technology used.
O $188.09
O $295.01
O $243.11
O $182.45
The last row of the table will show the total interest paid, which is approximately $243.11.
The correct option is C.
What is a percentage?A ratio or value that may be stated as a fraction of 100 is called a percentage. And it is represented by the symbol '%'.
To calculate the total interest paid,
we need to first find out how many months it will take to pay off the entire balance.
We can use the following formula to calculate the number of months:
N = -log(1-(r×b/p))/log(1+r)
where N is the number of months, r is the monthly interest rate (which is the annual percentage rate divided by 12), b is the balance, and p is the payment.
In this case,
r = 0.1799/12 = 0.01499 (monthly interest rate), b = $1,800, and p = $125.
Plugging these values into the formula, we get:
N = -log(1-(0.01499 × 1800/125))/log(1+0.01499) ≈ 16.24
So it will take about 16.24 months to pay off the entire balance.
Using a spreadsheet, we can create a table with the following columns:
Month: 1 to 16
Balance: starting with $1,800 and decreasing by $125 each month
Interest: calculated as the monthly interest rate times the balance
Payment: $125
Total Interest: calculated as the sum of the interest for all previous months
The last row of the table will show the total interest paid, which is approximately $243.11.
Therefore, the value is (C) $243.11.
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Answer: Option C is correct $243.11
Step-by-step explanation: I got it right On the test!!!
Jamie answered 16 questions in 4/5 minutes. How many questions were answered per minute?
The number of questions that were answered per minute 20 questions
How to determine the number of questions?the question reads: Jamie answered 16 questions in 4/5 minutes. How many questions were answered per minute?
You should number that a minute is made up of 60 seconds
This implies that 4/5 of a minute is given as 4/5 * 60
This is equal to 48 seconds
So every 48 seconds, Jamie answers 16 questions
This implies that (16*60)/48 = 20
Therefore in one minute Jamie would answer 20 questions
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4d + 3 - d + c
NOT MULTIPLE CHOICE!
Answer:
c+3d+3
Step-by-step explanation:
Name one pair of congruent sides. A. Segments PR and SV B. Segments QR and ST C. Segments RP and TS D. Segments PQ and VS
Answer:
Step-by-step explanation:Base on the diagram, and the following question, the following are the answers to your question.
#1 Congruent Angle
#2 Congruent Sides
#3 Side Angle Side
I hope you are satisfied with my answer and feel free to ask for more if you have question and further clarification
a) Use the triangle below to work out the exact value of sin 45°. 12 1 1 b) Hence, or otherwise, give the exact value of sin 135º.
Answer:
Find the value of sin 135.
We have to find the value of sin 135º
Solution
sin(135) can be expressed as = sin (90 + 45)
Using the identity sin(A + B) = sin(A)cos(B) + cos(A)sin(B) we will expand the above sin value
= sin (90 + 45) = sin(90)cos(45) + cos(90)sin(45)
On substituting the known values we get
= ( 1 x 1/√2) + (0 x 1/√2)
= 1/√2
= 0.7071067. . .
Answer
Hence the value of sin 135º= 1/√2 or sin 135º= 0.7071067.
Step-by-step explanation:
this would be correct.
The required value of sin 45° and sin 135º is \(\frac{\sqrt{2} }{2}\) and \(\frac{1}{\sqrt{2} }\).
What is trigonometry?The branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.
Given:
The given right triangle having it sides are 1 ,1, \(\sqrt{2}\).
According to given question we have
By the formula of trigonometry we get ,
This is a common value, in which
sin 45º=\(\frac{1}{\sqrt{2} }\)
We can now rationalize the fraction, which comes out to:
=
\(\frac{1}{\sqrt{2} } *\frac{1}{1} \\\\=\frac{1}{\sqrt{2} } *\frac{\sqrt{2} }{\sqrt{2} }\\\\=\frac{\sqrt{2} }{2}\)
The common value of sin(135) can be expressed as
= sin (90 + 45)
By using the identity
sin(A + B) = sin(A)cos(B) + cos(A)sin(B)
= sin (90 + 45) = sin(90)cos(45) + cos(90)sin(45)
On substituting the known values we get,
\(= ( 1 * \frac{1}{\sqrt{2} } ) + (0 *\frac{1}{\sqrt{2} } )\\=1/\sqrt{2.\)
Therefore, the required value of sin 45° and sin 135º is \(\frac{\sqrt{2} }{2}\) and \(\frac{1}{\sqrt{2} }\).
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Rachel is setting up tables for a valentines days party four of the tables are covered with red table cloths and eight of the tables are covered with white table cloths each table seats 8 guests what is the probability that the first guest to arrive will be seated at a red table cloth?
number of tables with red table cloth: 4
total number of tables: 4 + 8 = 12
Then, the probability that the first guest to arrive will be seated at a red table cloth is 4/12 = 1/3
(9x+25) and (13 x-19) and (17 y + 5) solve for x and y
Answer:
X=-4 Y=4
Step-by-step explanation:
I don't fully know but I think its right
Answer:
x = 11
Step-by-step explanation:
9x + 25 = 13x - 19
add 19 to both sides
9x + 25 + 19 = 13x - 19 + 19
9x + 44 = 13x + 0
9x + 44 = 13x
subtract 9x from both sides
9x - 9x + 44 = 13x - 9x
0x + 44 = 4x
44 = 4x
divide both sides by 4
44 ÷ 4 = 4x ÷ 4
11 = 1x
11 = x
This is assuming the x variable in the first expression is the same value as the x variable in the second expression. More information is needed to solve for y (such as x = y or another expression using the same variable, y).
city workers recorded the number of squirrels in a park over a period of time. At the first count, there were
30 total squirrels. After 1 year, the city workers recorded a total of 60 squirrels, and after 2 years there were
120
a. Write a function that represents the population of squirrels recorded over x number of years,
b. Assuming the same growth rate and no squirrel dies, what will the squirrel population be in 6 years?
Justify your answer mathematically
Function:
A. x times 60 = the amount of squirrels in that year
Answer
B. 6 X 60 = 360
Step-by-step explanation
Years | Squirrels
______________
1 | 60
---------------------------
2 | 120
-------------------------
3 | 180
-------------------------
4 | 240
-------------------------
5 | 300
-----------------------
6 | 360
What is the meaning of "\( \varphi (x,y)\) be \( y\wedge \phi (x)\) "?
The reasoning presented lacks explicit explanations and logical connections between the steps, making it difficult to fully understand the intended proof strategy.
The given proof aims to show that the Separation Axioms can be derived from the Replacement Schema using a particular construction involving a formula p(x, y). Let's analyze the proof step by step:
Define the formula p(x, y) as x = yo(x).
This formula states that for each x, y pair, x is equal to the unique object y such that y is obtained by applying the operation o to x.
Define the set F as {(x, x) (x)}.
This set F contains pairs (x, x) where x is the unique object obtained by applying the operation (x) to x.
Claim: F(X) = {y (x = X)p(x, y)} = {y: (x = X)x = y^o(x)} = {x: (3x € X)o(x)} = {x X: (x)}.
This claim asserts that F(X) is equivalent to {y (x = X)p(x, y)}, which is further equivalent to {y: (x = X)x = y^o(x)}, and so on.
The proof states that since (x, y) satisfies the functional formula VaVyVz(p(x, y)^(x, z) y = z), it follows that (x, y) is a functional formula.This step emphasizes that the formula p(x, y) satisfies certain properties that make it a functional formula, which is relevant for the subsequent deductions.
Finally, the proof concludes that the Separation Axioms follow from the Replacement Schema, based on the previous steps.
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11. What are the vertices of the ellipse whose equation is (x2)/9 + (y2)/4 = 1? please show the work
Answer: I think that this is the answer
standard form of equation for ellipse with vertical major axis (a^2 under y^2):
(x-h)^2/b^2+(y-k)^2/a^2=1,a>b, (h,k) being the (x,y) coordinates of the center.
For given equation: x^2/9+y^2/36=1
center: (0,0)
a^2=36
a=√36=6
length of vertical major axis=2a=12
Vertices are end points of major axis=(0,0�a)=(0,0�6)=(0,-6) and (0,6)
Vertices are at (0,-6) and (0,6)
Step-by-step explanation:
Answer:
Explanation: General formula for vertical ellipse Given: x24+y29=1 ... Use the equation provided above, and "plug it" in.
The late fee at the library is based on the number of days a book is late. Carter paid $1.08 for a book that was 9 days late. If his sister Sydney had a fee of $1.92 for a late book, how many days late was the book?
Answer:
16 days
Step-by-step explanation:
1.08 $:9 days
1.92 $: x
1.08 x: 17.28
x = 16
help
What are the solutions to the following system of equations? y = x2 + 8x + 12 3x + y = −6
The solutions for the given system of equations are (-9, 33) and(-2, 12).
What is a linear system of equations?A system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously. The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently.
The given system of equations are y=x²+8x+12 -----(i) and 3x+y=-6 -----(ii).
Here, y=-6-3x in the equation (i), we get
-6-3x=x²+8x+12
x²+8x+12+6+3x=0
x²+11x+18=0
Splitting middle term method, we get
x²+9x+2x+18=0
x(x+9)+2(x+9)=0
(x+9)(x+2)=0
x=-9 or x=-2
Substitute x=-9 in the equation (ii), we get
y=-6-3(-9)
y=33
Substitute x=-2 in the equation (ii), we get
y=-6-3(-2)
y=12
So, solutions are (-9, 33) and(-2, 12)
Therefore, the solutions for the given system of equations are (-9, 33) and(-2, 12).
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4 1/3x + 16 = 2 2/3x + 21
Complete the table and find the balance A if $3100 is invested at an annual percentage rate of 4% for 10 years and a compounded n times a year. Complete the table
The balance for each value of n is calculated by using the formula A = P(1 + r/n) ^nt. The rounded balance values are shown in the last column of the table above.
To complete the table and find the balance A if $3100 is invested at an annual percentage rate of 4% for 10 years and compounded n times a year.
The formula for calculating compound interest is as follows:
A = P(1 + r/n) ^nt,
where P represents the principal investment amount, r is the interest rate, n is the number of times the interest is compounded, t represents the time in years, and A represents the total amount, which includes the principal amount and the interest earned.
The table is given below:
\(\begin{array}{|c|c|c|} \hline \text{n} &
\text{A = P(1 + r/n) }^{nt} &
\text{Balance (rounded to nearest cent)} \\ \hline \text{1} &
\text{3100(1 + 0.04/1)}^{1*10} &
\text{\$4788.03} \\ \hline \text{2} &
\text{3100(1 + 0.04/2)}^{2*10} &
\text{\$4798.76} \\ \hline \text{4} &
\text{3100(1 + 0.04/4)}^{4*10} &
\text{\$4817.46} \\ \hline \text{12} &
\text{3100(1 + 0.04/12)}^{12*10} &
\text{\$4861.94} \\ \hline \end{array}\)
The balance is obtained by substituting the values of P, r, n, and t into the compound interest formula.
In this case, the investment is $3100, the annual interest rate is 4%, the investment is for 10 years, and n is the number of times the interest is compounded.
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Which table or graph shows the value of y going down as the value of x goes
up?
Answer:
A
Step-by-step explanation:
That's your answer...
dang u fail gonna fail i feel baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaad.......
just look at the one that has the letter x going up it is c or d
A car rental company charge $50 a day and 20 cents per mile for renting a car. Let y be the total rental charge (in dollar) for a car for one day and x be the miles driven. The equation for the relationship between x and y is y = 50 + 20x How much will a person pay who rents a car for one day and drives it 100miles
Answer:$2050.
Step-by-step explanation:
To find out how much a person will pay for renting a car for one day and driving it 100 miles using the given equation, you can substitute x = 100 into the equation y = 50 + 20x and solve for y:
y = 50 + 20x
y = 50 + 20(100)
y = 50 + 2000
y = 2050
Therefore, a person who rents a car for one day and drives it 100 miles will pay $2050.
What is the place value of the 7 in 248.17
Darella has 3 buckets of water on her back porch. Each bucket contains 134 gallons of water. How many quarts of water are contained altogether in the three buckets? Enter the answer as a whole number or decimal in the box below.
Answer:
34
Step-by-step explanation:
1) A student has a Math placement of Math 111, Math 100 and Math 102+. What course should the student first start with according to their placement results to then continue to get to Math 103E?
The placement results provided, the student should start with Math 100.
The placement results indicate that the student has placements for Math 111, Math 100, and Math 102+. Math 111 typically corresponds to a higher-level course than Math 100, and Math 102+ implies a placement beyond Math 102.
To progress towards Math 103E, it is essential to follow the recommended course sequence. Usually, Math courses are designed to build upon previously learned concepts and skills. Starting with Math 100 would provide the foundational knowledge necessary to succeed in subsequent courses.
Therefore, the student should first start with Math 100, and upon successful completion, they can proceed to Math 103E. It is important for the student to consult with their academic advisor or the mathematics department at their institution for specific course placement and sequencing information to ensure they are following the appropriate path.
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A projectile of mass 0.213 kg is shot from a cannon. The end of the cannon’s barrel is at height 6.5 m, as shown in the figure. The initial velocity vi of the projectile has a horizontal component of 7.5 m/s.
The projectile rises to a maximum height of ∆y above the end of the cannon’s barrel and strikes the ground a horizontal distance ∆x past the end of the cannon’s barrelDetermine the time it takes for the pro- jectile to reach its maximum height. The acceleration of gravity is 9.8 m/s2 .
Answer in units of s.
part 2 How long does it take the projectile to hit the ground?
Answer in units of s.
part 3
What is the horizontal range ∆x of the shot? Answer in units of m.
this is physics
The time it takes for the projectile to reach its maximum height would be 0.77 s. The time it takes for the projectile to hit the ground is 2.67 s.
The horizontal range ∆x would be 20.3 m.
To determine the time it takes for the projectile to reach its maximum height, we can use the formula:
t = (vi sin(θ)) / g
where t is the time, vi is the initial velocity, θ is the angle of launch, and g is the acceleration of gravity.
In this case, the initial velocity has a horizontal component of 7.5 m/s, so we can assume that the initial velocity is 7.5 m/s and the angle of launch is 90 degrees (since the projectile is launched horizontally). Therefore, the time it takes for the projectile to reach its maximum height would be:
t = (7.5 m/s × sin(90)) / 9.8 m/s2 = 0.77 s
To determine the time it takes for the projectile to hit the ground, we can use the formula:
t = (2 ∆y) / (vi sin(θ))
where t is the time, ∆y is the maximum height, vi is the initial velocity, and θ is the angle of launch.
Since we know that the projectile rises to a maximum height of ∆y above the end of the cannon's barrel, the initial velocity has a horizontal component of 7.5 m/s and the angle of launch is 90 degrees, we can calculate the time it takes for the projectile to hit the ground as follows:
t = (2 ∆y) / (7.5 m/s x sin(90)) = (2 ∆y) / 7.5 m/s = 2.67 s
To determine the horizontal range ∆x of the shot, we can use the formula:
∆x = (vi × t) cos(θ)
where ∆x is the horizontal range, vi is the initial velocity, t is the time, and θ is the angle of launch.
In this case, we know that the initial velocity has a horizontal component of 7.5 m/s, the time it takes for the projectile to hit the ground is 2.67 s, and the angle of launch is 90 degrees.
Therefore, the horizontal range ∆x would be:
∆x = (7.5 m/s × 2.67 s) × cos(90) = 20.3 m.
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5n+3n=40
Pls give me an answer and solution....
Answer:
3 times 5 = 15 and 5 times 5 = 25. 15 plus 25 = 40
Step-by-step explanation:
I need help please.
Answer:
B
Step-by-step explanation:
Suppose that the demand of a certain item is x=-0.7p+10.
Evaluate the elasticity at 6.
The item is an inelastic good at a price of 6 because it is negative and have a demand of -0.71.
What is the item's demand if elasticity is at 6?The formula for elasticity of demand is Elasticity of demand = (% change in quantity demanded) / (% change in price)
The initial quantity demanded at a price of 6 and the quantity demanded at a slightly different price must be know.
Let say Initial quantity demanded is:
x = -0.7(6) + 10
x = 5.8
Assume price changes slightly to 6.01, which gives us a new quantity demanded of x:
= -0.7(6.01) + 10
= 5.793
The % change in quantity demanded will be:
= [(new quantity demanded - initial quantity demanded) / initial quantity demanded] x 100%
= [(5.793 - 5.8) / 5.8] x 100%
= -0.12%
As price has changed from 6 to 6.01, we can calculate the percentage change as follows:
% change in price = [(new price - initial price) / initial price] x 100%
= [(6.01 - 6) / 6] x 100%
= 0.17%
Elasticity of demand = (% change in quantity demanded) / (% change in price)
= (-0.12% / 0.17%)
= -0.71
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math The newly elected president needs to decide the remaining 3 spots available in the cabinet he/she is appointing. If there are 15 eligible candidates for these positions (where rank matters), how many different ways can the members of the cabinet be appointed
Answer:
2730 ways
Step-by-step explanation:
Given that,
There are 15 eligible candidates for these positions.
The newly elected president needs to decide the remaining 3 spots available in the cabinet he/she is appointing.
It is a concept based on permutations.
\(P(n,r)=\dfrac{n!}{(n-r)!}\)
Put n = 15 and r = 3
\(P(15,3)=\dfrac{15!}{(15-3)!}\\\\=\dfrac{15!}{12!}\\\\=\dfrac{15\times 14\times 13\times 12!}{12!}\\\\=15\times 14\times 13\\\\=2730\)
Hence, 2730 ways can the members of the cabinet be appointed
Identify the correct equation of the graph
Answer:
The correct function is
\(f(b) = {b}^{2} - 4\)
PLEASE ANSWER QUICKLY I WILL MARK BARINLIEST AND WILL GIVE
30 POINTS