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2 years ago

Write an equation of the line that passes through a pair of points: (-3,1), (-2,-5)

Mathematics

1 answer:

Temka [501]2 years ago

4 0

Answer:

y-1=-6(x+3)

Step-by-step explanation:

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

m=(-5-1)/(-2-(-3))

m=-6/(-2+3)

m=-6/1

m=-6

y-y1=m(x-x1)

y-1=-6(x-(-3))

y-1=-6(x+3)

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Which of the following functions shows an original investment of $200?

bazaltina [42]

Answer:

A shows an original investment of $200

Step-by-step explanation:

If you plug in x=0, you will get the value of the original investment

When you plug x=0 into A you get

$y=200(1.02)^{0}$

This simplifies to

$y=200(1)$

And finally to

$y=200$

7 0

2 years ago

The equation πr²Gives the area,A of a circle with a radius,r,. Solve the function for π

max2010maxim [7]

The solution of the function for π is $\pi =\frac{A}{r^{2}}$

Step-by-step explanation:

The equation πr² gives the area A of a circle with a radius r

To Solve the function for π

Write the function
Keep π in one side and all other terms in other side by using any operation you need (+ , - , × , ÷)

∵ A = πr²

- You need to take r² from the right hand side to the left hand

side to keep π in the right hand side alone

∵ r² is multiplied by π

∴ Divide both sides by r²

∴ $\frac{A}{r^{2}}=\frac{\pi .r^{2}}{r^{2} }$

∴ $\frac{A}{r^{2}}=\pi$

- Switch the two sides

∴ $\pi =\frac{A}{r^{2}}$

The solution of the function for π is $\pi =\frac{A}{r^{2}}$

Learn more:

You can learn more about the functions in brainly.com/question/8243712

#LearnwithBrainly

6 0

2 years ago

A function is given by a table of values,a graph, a formula, or a verbal description. Determine whether it is one to one.

Likurg_2 [28]

A) it isn't
b) it is
c) it isn't
d) it is
e) it isn't
f) it isn't

6 0

2 years ago

A triangle has three angles of 36°, 34°, and 110°.<br> Classify the triangle.

Sliva [168]

Answer:

I'm guessing that makes obtuse triangle

why don't you try draw the triangle

Acute triangle : 0<x<90 degrees

right triangle : x=90 degrees

obtuse triangle :triangles that angles are bigger than 90 but smaller than 180 degrees

reflex angle:bigger than 180 but smaller than 360 degrees

6 0

2 years ago

A hotel reservation number consists of 5 digits, followed by 1 letters, followed by 3 digits. How many different reservation num

sasho [114]

There are 10 possible digits and 26 possible letters.

To find the answer to this problem we have to multiply 9 as many digits has the hotel reservation number and 26 as many letters it has.

It means:

$9\cdot9\cdot9\cdot9\cdot9\cdot26\cdot9\cdot9\cdot9=1,119,214,746$

There are 1,119,214,746 possible reservation numbers.

6 0

8 months ago