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3 years ago

8

Find the length of the side labeled x. Round intermediate values to the nearest tenth. Use the rounded values to calculate the n

ext value. Round your final answer to the nearest tenth. Please show all work.

1 answer:

nevsk [136]3 years ago

5 0

Answer:

15.7. Hope this helps.

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I need help, urgently.

Korvikt [17]

Answer:

y = -0.5(x - 4)^2 + 5.

y = -0.5x^2 + 4x - 3.

Step-by-step explanation:

The vertex is at (4, 5). so we have:

f(x) = a(x - 4)^2 + 5

When x = 0 y = -3 so substituting in the above:

- 3 = a(0-4)^2 + 5

-8 = 16a

a = -0.5.

So the vertex form is y = -0.5(x - 4)^2 + 5.

Standard form:

y = -0.5(x^2 - 8x + 16) + 5

y = -0.5x^2 + 4x - 8 + 5

y = -0.5x^2 + 4x - 3.

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3 years ago

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Vaselesa [24]

1. 71.25
2. 118.50
3. 51.75
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7 0

4 years ago

sweet [91]

Answer: 2(7x + 3y + 4) [unsimplified] or 14x + 6y + 8 [simplified]

Step-by-step explanation: The perimeter of a parallelogram is 2 * (the two sides.)

Adding 5x + 4 and 2x + 3y, we get 7x + 3y + 4 by combining like terms in the x terms.

Now, we multiply by 2. This is 2(7x + 3y + 4) or 14x + 6y + 8

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2 years ago

. Evaluate | –2 | = ?

Basile [38]

Answer:

2

Step-by-step explanation:

6 0

3 years ago

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Find the area of the circle with the given radius or diameter. Use = 3.14.

masya89 [10]

Radius [ r ] = 6 units

Area of a circle = $\pi r^{2}$ = $3.14 * 6 * 6 = 3.14 * 36 = 113.04$ sq. units.

Hence, the answer is B.

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3 years ago

Read 2 more answers