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Julli [10]
3 years ago
7

Solve for x: A. 2 B. ±4 C. ±2 D. no solution

Mathematics
2 answers:
MaRussiya [10]3 years ago
7 0

Answer:

<em><u>B is the answer.</u></em>

Step-by-step explanation:

Steps are in the picture.

sashaice [31]3 years ago
4 0

I think the right answer is B

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Problem Melissa is helping her dad build a walkway in their backyard. The walkway will be 54 feet long and 1.5 feet wide. The lo
bixtya [17]

Answer:


Step-by-step explanation:

54 dived by 1.5 is 36.

36 dived by 12 is 3.

You need 3 boxes.

5 0
3 years ago
Denise received 300 votes in election for student council president she was 60% of the students who voted in the election how ma
nata0808 [166]

Answer: 500 votes

Step-by-step explanation:

This can be shown by this formula.

300 is 60% of x. So if u can find the 100% by taking 300 and multiplying it by 100 which would be the 100% and dividing it by 60 which would be the 60%. The number that you get is how many didn't vote for Denise. Now just add these which would be 300+200 which would give you the answer above.

5 0
3 years ago
Write an equation in slope-intercept form for the following line:<br> (-14.1) and (13,-2)
vesna_86 [32]

Answer:

y=-\frac{1}{9}x-\frac{5}{9}

Step-by-step explanation:

(-14,1)(13,-2)

Use the slope-intercept formula:

y=mx+b

m is the slope and b is the y-intercept. Use the slope formula first:

\frac{y_{2}-y_{1}}{x_{2}-x_{1}} =\frac{rise}{run}

Rise over run is the change in the y-axis over the change in the x-axis. Plug in the coordinates:

(-14(x_{1}),1(y_{1}))\\(13(x_{2}),-2(y_{2}))

\frac{-2-1}{13-(-14)}

Simplify parentheses (two negatives makes a positive):

\frac{-2-1}{13+14}

Simplify:

\frac{-3}{27} =-\frac{3}{27}=-\frac{1}{9}

The slope is -\frac{1}{9}. Insert into the equation:

y=-\frac{1}{9}x +b

Now, to find the y-intercept, take one of the points and substitute for the x and y values of the equation:

(13,-2)\\-2=-\frac{1}{9} (13)+b

Solve for b, the y-intercept. Simplify parentheses:

-\frac{1}{9}*\frac{13}{1}=-\frac{13}{9}

-2=-\frac{13}{9} +b

Add -\frac{13}{9}  to both sides:

-2+\frac{13}{9}=-\frac{13}{9} +\frac{13}{9}  +b\\\\-2+\frac{13}{9} =b

Simplify:

-\frac{2}{1} +\frac{13}{9}\\\\-\frac{18}{9}+\frac{13}{9}\\  \\b=-\frac{5}{9}

The y-intercept is -\frac{5}{9} . Insert this into the equation:

y=-\frac{1}{9} x-\frac{5}{9}

Finito.

8 0
3 years ago
100\400<br> As a percentage
finlep [7]
25% because if you simplify the fraction, it would be 1/4 and that is equal to 0.25
3 0
3 years ago
Read 2 more answers
Write a verbal expression for 5x cubed + 2
gladu [14]

Answer:

2 added to cube of 5 times x

Step-by-step explanation:

5 0
3 years ago
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