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Setler [38]
3 years ago
10

Solve the equation. Check your solutions |x - 7|= |2x– 8|​

Mathematics
1 answer:
Leno4ka [110]3 years ago
5 0

Answer:

1

Step-by-step explanation:

X-8=(2x-8)

x-7=2x-8

collect like terms

x-2x=-8+7

-x=-1

but we are looking for X not -x

so answer is 1

Hope this helped!

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The function f(x)= 3(1.4)' gives the length (in inches) of an image after being enlarged by 10% x times.
kondaur [170]

Answer:

3.99 inches

Step-by-step explanation:

<u><em>The correct question is</em></u>

The function f(x) = 3(1.1)^x gives the length (in inches) of an image after being enlarged by 10% x times.

What is the length of the image after it has been enlarged 3 times? Round your answer to the nearest  hundredth

we have

f(x)=3(1.1)^x

This is a exponential growth function

where

f(x) represent the length (in inches) of an image

x is the number of times the image is enlarged

so

For x=3

substitute in the exponential equation

f(x)=3(1.1)^3=3.99\ in

4 0
3 years ago
What is the length of the side opposite the 45 degree angle?
yulyashka [42]
Sin 45° = opposite side length/hypotenuse length

Cross Multiply and you get
opposite side length = hypotenuse length x Sin 45°

Now all You need to know is the hypotenuse length. It will help you find the opposite side length.

HOPE THIS WILL HELP.
6 0
4 years ago
Read 2 more answers
HeLp ME PLEASE!!!!!!!!!!!!!!
vodka [1.7K]
Looking at h and k values.

The vertex of a parabola ( h, k) is the point at which the parabola intersects the axis of symmetry.

Every parabola is symmetric about its axis, which means that if it were folded along its axis, the two parts would match. The fold or line that divides the parabola into two matching halves is called the axis of symmetry.

The axis of symmetry occurs at x = h.

Please mark my answers as the Brainliest if you find this helpful :)
6 0
3 years ago
This is a slope intercept form problem...can anybody please help me thank you ♥️
spayn [35]

Hi There!

-----------------------------------------

We Know:

$35 per person.

Guides Fee: 10 * 35 = 350

425 - 350 = $75 (guide fee)

-----------------------------------------

Part A:

The problem states to put c as cost and p as number of people:

c = 35p + 75

b = $75 (guide fee)

If you don't need the one above, this is just in slope intercept form.

y = 35x + 75

b = $75 (guide fee)

Answer: c = 35p + 75 or y = 35x + 75

-----------------------------------------

Part B:

How much would it cost for 15 people?

Lets use: c = 35p + b

Substitute p for 15 people and b as $75 for the guide fee: c = 35(15) + 75

Simplify: c = $600

Answer: The total cost for 15 people is $600.

-----------------------------------------

Hope This Helps :)

8 0
3 years ago
Identify the volume of the composite figure. Round to the nearest tenth.
Anna007 [38]

Answer:

474.5 ft ³

Step-by-step explanation:

<u>1) Find the volume of the cube</u>

A=l^3 where l is the side length

Plug in 9 ft as l

A=9^3\\A=729

Therefore, the volume of the cube is 729 ft³.

<u>2) Find the volume of the cylinder</u>

A=\pi r^2h where r is the radius of the base and h is the height of the cylinder

Plug in 3 ft as the radius and 9 as the height

A=\pi (3)^2(9)\\A=\pi (9)(9)\\A=81\pi \\A=254.5

Therefore, the volume of the cylinder is approximately 254.5 ft ³.

<u>3) Subtract the volume of the cylinder from the volume of the cube</u>

729 ft³ - 254.5 ft ³

= 474.5 ft ³

Therefore, the volume of the figure is 474.5 ft ³.

I hope this helps!

3 0
3 years ago
Read 2 more answers
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