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Lorico [155]
3 years ago
15

5x+8=9x+12 helpppppp

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

Hi there! :)

Answer:

\boxed{X=-1}

<u><em>*THE ANSWER MUST HAVE  A NEGATIVE SIGN!*</em></u>

Step-by-step explanation:

First, you subtract by 8 from both sides of an equation.

5x+8-8=9x+12-8

Subtract.

12-8=4

5x=9x+4

Then, you subtract by 9x from both sides of an equation.

5x-9x=9x+4-9x

Simplify by equation.

-4x=-4

Divide by -4 from both sides of an equation.

-4x/-4=-4/-4

Divide by the numbers from left/right.

-4/-4=-1

\boxed{X=-1}, <em>is the FINAL/CORRECT ANSWER! :)</em>

<em>Have a nice day! :)</em>

<em>:D</em>

<em>-Charlie</em>

<em>Thank you!</em>

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4. Find the volume of the figure. The base is a square.
GREYUIT [131]

Answer:

A) 283500 ft³

B) 1057.26 π in³

Step-by-step explanation:

A) Volume of square based pyramid

= 1/3 × Area of the base × height

= 1/3 × (90 ft)² × 105 ft

= 283500 ft³

B) This figure is a composite figure

Step 1

Find the volume of the cone

=1/3 πr²h

r = radius = 8.5 in

h = height = 10 in

= 1/3 × π × (8.5 in)² × 10 in

= 240.83333333 π in³

≈ 240.83 π in³

Step 2

Find the volume of the cylinder

= πr²h

= r = radius = 8.5 in

h = height = 11.3 in

= π × (8.5 in)² × 11.3 in

= 816.425 π in³

≈ 816.43π in³

Volume of the figure = (240.83 π + 816.43 π) in³

= 1057.26 π in³

7 0
3 years ago
4 + -6g + 10g + -5 anwser
Olegator [25]

Answer:

4g - 1

Step-by-step explanation:

4 and -5 are numbers

While, -6g and 10g are variables.

Add numbers and variable separately.

4 + -6g + 10g + -5

= 4 - 5 + 10g - 6g

= - 1 + 4g

= 4g - 1

4 0
3 years ago
How much interest is earned on a principal of $671.37 invested at an interest rate
Aneli [31]

Answer:

$26.8548

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
Given: circle O with tangent AB mBC= 2x -16; mCD = x+40; mDE = x; mEB = 60 <br><br>find the x
murzikaleks [220]

Answer:

69

Step-by-step explanation:

All the given arcs cover the entire circle circumference, so their measures add up to a full 360.

(2x - 16) + (x + 40) + x + 60 = 360

4x + 84 = 360

4x = 276

x = 69

6 0
3 years ago
Anita says CD can also be called DC. Do you agree?Explain .
amm1812
No, this is not an agreeable statement. A CD is a compact disc that used for playing music, movies, and storing photos, documents, and other important files from a computer. Meanwhile, DC can be a few things. For instance, DC can stand for Washington, D.C., the capitol of the United States, or it can stand for DC shoe company. 
3 0
3 years ago
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