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Wewaii [24]
3 years ago
10

The maintenance bill for the entire shopping center of 180,000 square feet is $45,000 for the quarter. What proportional share d

oes a store of 2,400 square feet owe?
Mathematics
1 answer:
Svetllana [295]3 years ago
6 0
180000/45000=2400/x
Solve for x
X=600
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sin =  \frac{ \sqrt{17} }{7}

8 0
2 years ago
What values could be substituted for x to make a true number sentence in x + 4 = x + 8
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Explanation: x+4 = x+8
-x -x
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5 0
3 years ago
What method would you choose to solve the equation 2x^2-7=9
Margaret [11]
Here is one way to solve for x.

Step 1)  2x^2-7=9

Step 2)  2x^2-7+7=9+7

Step 3)  2x^2=16

Step 4)  (2x^2)/2=16/2

Step 5)  x^2=8

Step 6)  sqrt(x^2)=sqrt(8)

Step 7)  |x|=sqrt(8)

Step 8)  x=sqrt(8) or x=-sqrt(8)

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

Below are explanations/reasons to each of the steps above.

Step 1) Original equation

Step 2) Add 7 to both sides

Step 3) Combine like terms

Step 4) Divide both sides by 2

Step 5) Simplify

Step 6) Apply the square root to both sides. The notation "sqrt" is shorthand for "square root"

Step 7) Use the rule that sqrt(x^2) = |x| for all real numbers x

Step 8) Use the rule that if |x| = k then x = k or x = -k for some fixed number k.

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

The two solutions are
x = sqrt(8) or x = -sqrt(8)

3 0
3 years ago
HURRY!!!!<br> What is the equation of the line shown in this graph?
zalisa [80]

Answer:

x = - 2

Step-by-step explanation:

The equation of a vertical line parallel to the y- axis is

x = c

Where c is the value of the x- coordinates the line passes through.

The line passes through (- 2, - 3) and (- 2, 2)

Both of these points have an x- coordinate of - 2, thus

x = - 2 ← equation of line

3 0
3 years ago
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Vladimir79 [104]

Answer:

3

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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