The value of the function f (x) is 15/2 when x = -5 and is -73/2 when x = 3. What is the equation of the function?

Answers

Answer 1

Answer:

y = -5.5x - 20

Step-by-step explanation:

There are many functions that cross those points.

Assuming you're looking at a straight line.

y = mx + b

15/2 = -5m + b  --> 7.5 = -5m + b

-73/2 = 3m + b  --> -36.5 = 3m + b

Subtract the first from the second.

-44 = 8m

m = -5.5

Plugging back into the first equation, we get b = -20

Answer 2

Answer:

f(x) = −11/2x − 20

Step-by-step explanation:


Related Questions

(-4, 12) and (-7, -3)

(Write an equation of the line in point slope form that passes through the giving points)

Answers

Answer:

5

Step-by-step explanation:

Use the slope formula: [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\frac{-3-12}{-7-(-4)}[/tex] = [tex]\frac{-15}{-3}[/tex] = 5

What two products would you add to find 713​x48

Answers

9514 1404 393

Answer:

  40·713 and 8·713

Step-by-step explanation:

When this multiplication is carried out "by hand", the usual sum of partial products is ...

  8·713 + 40·713

Answer:

5704, 28520

Step-by-step explanation:

First find the product of 713 x 48 which is 34224. Next, we find the two products to do so we first add 713 x 8 = 5704.Then,we multiply 713 x 40 which is 28520. This strategie is multiply by the ones then by the tens and add them together to find the your answer.

Nathan goes to the store and buys 4 shorts and 3 shirts for 85.5$. He later goes to the same store and buys 3 shorts and 5 shirts for 115$. What is the price for each shirt and each shorts?

Answers

4x+3y=85.5
3x+5y=115
Combine it
X=7.5 y=18.5

Brainliest!! Pls help

Answers

Answer:

its c

Step-by-step explanation:

that one is shaded down other one is shaded up (up = greater)( down= less)

Yeah it is letter c it is the correct answer

first to answer correctly gets brainleist! I need ya to find the slope for me!

Answers

Answer:

m=-1

Step-by-step explanation:

The line is going down as x increases, so the slope is negative. Next, we can find the value for m by taking the equation:

m=(y2-y1)/(x2-x1)

m=(3-(-1))/(0-4)

m=4/-4

m=-1

Can someone plzz answer this!!?

Answers

Answer: B Angle Side Angle

Step-by-step explanation:

Since line AB and CD are parallel angles D and A are congruent by the alternate interior theorem and both angles AOB and DOC are congruent by the vertical angle theorem and it already shows line OC and line OB are congruent.

Solve for x in the following angle relationship. Please also identify the type of angles given:


answer options

O x= 10, corresponding

O x = 4, corresponding

O x = 10, alternate interior

O x = 4, Same side interior​

Answers

9514 1404 393

Answer:

  x= 10, corresponding

Step-by-step explanation:

Corresponding angles are in the same direction from their respective intersections. Here, the angles are both northwest of the point where the lines cross. The angles are corresponding.

__

Corresponding angles are congruent, so we have ...

  10x +10 = 110

  10x = 100 . . . . . subtract 10

  x = 10 . . . . . . . . divide by 10


Which one should I choose

Answers

Answer:

Third one

C.

Step-by-step explanation:

Evaluate the expression when a=14 and b=6. 5b/32a2

Answers

Answer:

28/16071  as a decimal 0.00174226...

Step-by-step explanation:

Hope this helps!

115.376 as hundreds tens and ones

Answers

Answer:

NAH FAM- I GOTCHU

RATATATA-

YA LIFE IS A LIE~

JFAIOSDHFAIOSDHFSJD~

FAISDEJHFIAJDE~

WOOOOOOOOOOOOOOOOOOOOOOOOOOO

Step-by-step explanation:

PLS ANSWER ASAP!!!!!
The temperature is dropping at a rate of 2.5 degrees for 4.25 hours. How much did the temperature change?
Group of answer choices

A.) -10.625 degrees

B.) -6.75 degrees

C.) 10.625 degrees

D.) 6.75 degrees

Answers

Answer:

A

Step-by-step explanation:

Answer:

The correct answer would be A.

Simplify the expression

Answers

Answer:

          f(x) = 5x² + 2x           g(x) = 6x - 6

Step-by-step explanation:

[tex]\dfrac{5x^3-8x^2-4x}{6x^2-18x+12}\\\\6(x^2-3x+2)\ne0\ \iff\ x=\frac{3\pm\sqrt{9-8}}{2}\ne0\ \iff\ x\ne2\ \wedge\ x\ne1\\\\\\\dfrac{5x^3-8x^2-4x}{6x^2-18x+12}=\dfrac{x(5x^2-8x-4)}{6(x^2-3x+2)}=\dfrac{x(5x^2-10x+2x-4)}{6(x^2-2x-x+2)}=\\\\\\=\dfrac{x[5x(x-2)+2(x-2)]}{6[x(x-2)-(x-2)]} =\dfrac{x(x-2)(5x+2)}{6(x-2)(x-1)}=\dfrac{x(5x+2)}{6(x-1)}=\dfrac{5x^2+2x}{6x-6}\\\\\\f(x)=5x^2+2x\\\\g(x)=6x-6[/tex]

Which shows one way to determine the factors of x3 + 5x2 – 6x – 30 by grouping?

Answers

Answer:

Work shown below;

Step-by-step explanation:

Factor by grouping:

[tex]x^{3}+5 x^{2}-6x-30\\(x^{3}+5 x^{2}) (-6x-30)\\x^{2} (x+5)-6(x+5)\\(x^{2}-6 )(x+5)[/tex]

HELP! 10 POINTS!!!!!!!

Answers

Answer: Graph A

Step-by-step explanation:

SLOPE : rise over run, so from any point, if 3 units go up, 4 units go right, and there should be a another point

Y-INTERCEPT : -3

James went to the barber shop for a haircut. The cost of the haircut was $25. How much tip did he leave the barber if he left a tip of 20%?

Answers

Answer:

$5

Step-by-step explanation:

0.2 * $25 = $5

I hope this helped, please mark Brainliest, thank you!!

pls help me, i’ll give brainliest

Answers

Answer:

10 $ a year

Step-by-step explanation:

Answer:

16 dollars

Step-by-step explanation:

earned in first 6 years: 100 dollars

100/6 is roughly 16 dollars

hope this helps! :)

Given: 4d=1/3(c-d) Proof= c=13d

Answers

Proof:

Multiply both of the sides by 3. You would get 12d = c - d. Add d on both sides, and you would get c = 12d

Here, we are required to proof c = 13d from 4d=1/3(c-d)

Ultimately, c = 13d (proof)

We have;

4d=1/3(c-d)

Cross product

4d × 3 = c - d

therefore, By collecting like terms;

C = 12d +d

and Ultimately, c = 13d ......

Read more:

https://brainly.com/question/21406377

What role did monasteries play in the spread of Christianity? Choose three correct answers.

They put emperors such as Charlemagne in power.
They forced people to practice Christianity.
They helped feed people who lived in poverty.
They imprisoned non-Catholics.
They cared for sick villagers.
They educated people.


I Need Help Fast!!

Answers

Answer:

They educated people. They cared for sick villagers. They helped feed people who lived in poverty.

Step-by-step explanation:

I just got it correct.

Hope this helps! ^^

Sorry that I probably didn't help you in time!

The roles monasteries play in the spread of Christianity :- They educated people. They cared for sick villagers. They helped feed people who lived in poverty.

What are monasteries?

A monastery was a building, or buildings, where people lived and worshiped, devoting their time and life to God.

The people who lived in the monastery were called monks. The monastery was self-contained, meaning everything the monks needed was provided by the monastery community.

The role monasteries play in the spread of Christianity :-

They helped feed people who lived in poverty.

They cared for sick villagers.

They educated people.

Most powerful force that helped spread Christianity were missionaries. Monks were the men who lived in the monasteries. There Christian men called monks devoted their lives to God. He made the pope the guardian of the spiritual lives of all Christians.

Learn more about monasteries click;

https://brainly.com/question/29570884

#SPJ3

HELP ASAP PLS AND THANKS!!!!

Answers

The first one is the correct answer

Answer:

The first one

Ivian scores 58 out of 80 marks in a maths test what is his score as a percentage

Answers

Answer:

72.5%

Step-by-step explanation:

Lets make his score a percentage: 58/80

Now covert it to a percentage: 58/80 = x/100

Cross multiply: 80x = 5800, x = 145/2

Divide 145 by 2: 72 1/2

Answer is 72.5%

I hope this helped, please mark Brainliest, thank you!

Adelaide has a credit card with a company that charges $3.00 for every day a payment is late. If she paid $492.93 for a bill that is 3 days late, how much was the bill without the late fee?

Answers

The answer is $483.93 just subtract $9 from 492.93

help plss I only need 5

Answers

Answer:

Acute scalene triangle

Step-by-step explanation:

The triangle is acute because all of the angles are less than 90 degrees.

It is scalene because the 3 sides are all different lengths.

3f+7=1
Plz write explanation

Answers

Answer:

f = -2

Step-by-step explanation:

3f + 7 = 1

or, 3f = 1 - 7

or, 3f = -6

or, f = -6/3

or, f = -2

The total bill at a restaurant was $52.50. If you want to tip the waitress 15%, how much tip should you leave?
A. $7.87
B. $7.88
C. $78.70
D. $78.75

Answers

Answer:

B

Step-by-step explanation:

52.50*0.15=7.875

7.875 rounded is 7.88

hope this helps :3

if it did pls mark brainliest

Answer:

B)$7.88

Step-by-step explanation:

15% = 0.15

52.50 x 0.15 = 7.875

Round to the nearest hundredth

$7.88

4x - 3y = 13
8x - 6y = 26

Solve systems of equations through elimination method please!

Answers

Answer: 0 = 0

Many solutions

Step-by-step explanation:

4x - 3y = 13

8x - 6y = 26

-2(4x - 3y = 13)

-8x + 6y = -26

8x - 6y = 26

You can cross them all out and you’ll get 0 = 0 which also means many solutions

If I pay $600 in interest for my simple interest loan for $10,000 at an
interest rate of 3%, how long did I have the loan for?

Answers

Answer:

2 periods

Step-by-step explanation:

Simple interest is compounded one time, usually annually, although it could be less time or longer. Thus I answer 2 periods. If your choices include 2 years, that is most likely the answer.

To find the answer,

$10,000 x .03 = $300.

$600 / $300 = 2 periods.

Hope this helps.

Good luck

The number of miles a car can drive varies directly with the number of gallons of gas in
the car. If the car can go 81 miles on 3 gallons of gas, how many gallons does the car
need to go 378 miles?

Answers

Answer:

14 gallons

Step-by-step explanation:

Answer:

14 gallons

Step-by-step explanation:

triangle ABC is isosceles. CA and CB are equal. Ab is parallel to the x-axis. Given that BC= 5cm. Work out the perimeter of the triangle.​

Answers

Answer:

The perimeter of the triangle ABC is 17 cm.

Answer:

im on the same question do you  know what the a coordinates is

Step-by-step explanation:

Someone help me out plz....

Answers

Answer:

G

Step-by-step explanation:

Rise 4 go over 5

Answer:

G has the slope of 4/5

Step-by-step explanation:

Hope this helps :)

12.
Bharathi borrows an amount of 12500 al 12% per annum for 3 years at a simple inters
and Madhuri borrows the same amount for the same time period at 10% per annum
compounded annually. Who pays more interest and by how much?

Answers

Answer:

Step-by-step explanation

For bharathi

Principal,P =Rs 12500

Simple interest Rate,R = 12%

Time period,n = 3 years.

Simple Interest, SI at 12% for 3 years =

(12500×12×3)/100

= Rs 4500

For Madhuri

Principal,P =Rs 12500

Compound interest Rate,R = 10% p.a.

Time period,n = 3 years.

Amount when interest is compounded annually

C.i=A-P

C.i=(1+R/100)^3-p

=12500((1+10/100)^3-12500

=12500(11/10)^3-12500

=[(125×11×11×11)/10×10×10]-12500

=16637.50-12500

=4137.50

Bharathi pays more interest and Rs (4500 - 4137.50) = Rs 362.50 more.

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