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3 years ago

7

Solve the following linear equation. Explain every step in the process.

2 answers:

Bad White [126]3 years ago

6 0

Answer:

X= -44

Step-by-step explanation:

Multiply parenthesis by 2. Distribute 2 through the parenthesis. Collect like terms. Calculate the difference. Move variable to the left side and change it's sign. Move constant to the right side and change it's sign. Collect like terms. Add the numbers. Change the signs on both sides of the equation. Then you'll get X= -44

Wittaler [7]3 years ago

5 0

Answer:

44/7

Step-by-step explanation:

First, carry out the indicated multiplication, using the Distributive Property of Multiplication:

-4x + 2(3x – 1) - 12 = 3x + 30 becomes:

-4x + 6x – 2 - 12 = 3x + 30

Next, combine all the x terms and all the constants. We get:

10x - 14 = 3x + 30, or 7x = 44

Dividing both sides by 7 yields x = 44/7.

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3 years ago

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Bas_tet [7]

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4 years ago

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A company makes a cone-shaped container with a height of 15 in. The area of its base is about 78.8in.2 Approximately what is the

MakcuM [25]

Answer:

Approximately the volume of cone-shaped container is <u>393 in³</u>.

Step-by-step explanation:

Given:

A company makes a cone-shaped container with a height of 15 in.

The area of its base is about 78.8 in².

Now, to get the cone-shaped container volume.

So, we find the radius first by using formula:

Let the radius be $r.$

<u><em>(Using the value π = 3.14)</em></u>

$A_{B}=78.8\ in^2.$

$A_{B}=\pi r^2$

$78.8=3.14\times r^2$

<em>Dividing both sides by 3.14 we get:</em>

<em /> $25.09=r^2$ <em />

<em>Using square root on both sides we get:</em>

$5.00=r$

$r=5\ in.$

Thus, the radius ( $r$ ) = 5 in.

<u>The height (</u> $h$ <u>) = 15 in.</u>

Now, to get the volume of the cone-shaped container we put formula:

$Volume=\pi r^2\frac{h}{3}$

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3 years ago

Does someone want to help me solve this problem

Hoochie [10]

Answer:

(cx)2-(dy) 2

Step-by-step explanation:

Formula a2-b2= (a+b) (a-b)

By given formula

(cx)2 - (dy) 2 = (cx+dy) (cx-dy)

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3 years ago