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Bezzdna [24]
2 years ago
8

8(x-a) = 2(2a - x). Solve for. X

Mathematics
2 answers:
Mariulka [41]2 years ago
8 0

Hey! Your answer would be x = 6a/5

Serjik [45]2 years ago
4 0

Answer:

x = 1.2a

Step-by-step explanation:

Step 1: Add 2x to both sides.

−8a+8x+2x=4a−2x+2x

−8a+10x=4a

Step 2: Add 8a to both sides.

−8a+10x+8a=4a+8a

10x=12a

Step 3: Divide both sides by 10.

10x  / 10  =  12a  / 10

Answer:

x = 1.2a

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Nastasia [14]

Answer:

Yes, you are correct.

Step-by-step explanation:

You are substituting the measure of angle x as the measure of angle a since they are congruent to each other.

8 0
3 years ago
A cement walk 3 ft wide is placed around the outside of a rectangular garden plot that is 20ft by 30ft. Find the cost of the wal
Inessa05 [86]

Let us calculate the area of the walk.

Since the width of the walk is 3 feet, and the walk will be placed all the 4 sides,

Length of the plot including walk = 20 + (2 × 3) = 20 + 6 = 26 feet.

Breadth of the plot including walk = 30 + (2 × 3) = 36 feet.

Area of the plot including walk = 26 × 36 square feet.

Area of the plot = 20 × 30 square feet.

Area of the walk = (26 × 36) - (20 × 30)

= 936 - 600

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= \frac{336}{3(3)} square yards

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7 0
3 years ago
How do i graph 2x + 3y = 9
Ivahew [28]

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Step-by-step explanation:

5 0
3 years ago
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Which angle is an x-intercept for the function y = cos(1)<br> A.0<br> B.2<br> C. £<br> D. 2£
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Answer: C. \pi

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

Explanation:

The x intercept always occurs when y = 0.

Use the unit circle to determine that \cos(\theta) = 0 when \theta = \frac{\pi}{2} \text{ and } \theta = \frac{3\pi}{2}

So if x = \pi, then we have

y = \cos\left(\frac{1}{2}x\right)\\\\y = \cos\left(\frac{x}{2}\right)\\\\y = \cos\left(\frac{\pi}{2}\right)\\\\y = 0\\\\

which shows us that (\pi, 0) is the location of one of the infinitely many x intercepts for this function.

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2 years ago
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