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3 years ago

7

I need help I don't understand it at all

2 answers:

DedPeter [7]3 years ago

8 0

Answer:

x = 9

Step-by-step explanation:

Given

5x - 31 = 23 - x ( add x to both sides )

6x - 31 = 23 ( add 31 to both sides )

6x = 54 ( divide both sides by 6 )

x = 9

ki77a [65]3 years ago

3 0

Answer: X = 9

Step-by-step explanation: basically you solve it just like any other algebra equation. The only difference is that you have x’s on both sides. You have to move one of them over. I move the x to the right and I added it to the left side. 5x plus x is 6x. ( in case you didn’t already know an x never stands alone when you see one alone it always has an imaginary 1 beside it.) after I did that I tried to isolate 6x so I added 31 to 23. 31 plus 23 equals 54. I then had the equation 6x=54. The next thing I wanted to do was to isolate the x. I then dived 6 on both sides and got x= 9

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Please help, thank you!!

julsineya [31]

Answer:

Step-by-step explanation:

Givens

Triangle
Base = 11 inches
Height = 12 inches

Formula

A = Base * height / 2

Solution

Area = 11 * 12/2
Area = 132 /2
Area = 66 square inches.

4 0

3 years ago

Read 2 more answers

If $25, 000 is invested into an account paying 4.5% per year, compounded quarterly, how much money can be withdrawn from the acc

pogonyaev

The money can be withdrawn from the account every two months for the next 6 years is $20, 625, 000

<h3>What is compound interest?</h3>

The formula for compound interest is given as;

$A = P ( 1 + \frac{r}{n} )^n^t$

P = principal interest = $25, 000

r = rate = 4. 5%

n = 2 months

t = 6 years

A = $25, 000 ( 1 + \frac{4. 5}{2} )^2 ^*^6$

A = $25, 000(1 + 0. 75)^1^2$

A = $25, 000( 825. 00)$

A = $20, 625, 000

Thus, the money can be withdrawn from the account every two months for the next 6 years is $20, 625, 000

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7 0

2 years ago

The equation of line q is 5y - 4x = 10. Write the standard fom of the equation of the line that fits the following description:

kumpel [21]

<h3>Answer: -4x+5y = 100</h3>

===================================================

Explanation:

The given equation is the same as -4x+5y = 10

It is of the form Ax+By = C, where A = -4, B = 5, C = 10

Anything parallel to Ax+By = C is of the form Ax+By = D. The only difference is the C has changed to a D.

This means anything parallel to -4x+5y = 10 is -4x+5y = D, where D is not equal to 10, but it could be any other number.

Plug in the coordinates of (-15,8) to find the value of D

-4x+5y = D

-4(-15)+5(8) = D

60+40 = D

100 = D

D = 100

We have -4x+5y = D update to -4x+5y = 100

The equation -4x+5y = 100 is parallel to -4x+5y = 10, and it goes through (-15,8)

Parallel lines have the same slope, but different y intercepts.

Note how Ax+By = C has a slope of m = -B/A. This means A cannot be zero.

7 0

3 years ago

scZoUnD [109]

Answer:

3x+4=28 This is the answer.

5 0

3 years ago

A solid cylindrical steel rod has a base area of 100 cm2 and a length of 50 cm. What is the volume of the steel rod?

natulia [17]

Answer:

5000 cm3

Step-by-step explanation:

find radius

cal the volume

4 0

3 years ago

Read 2 more answers