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Natali5045456 [20]
3 years ago
5

Which inequality is true if p = 3.4?

Mathematics
1 answer:
marusya05 [52]3 years ago
8 0

Answer:

Which inequality is true if p= 3.4? A. 3p < 10.2 B. 13.6 < 3.9p C. 5p > 17.1 D. 8.5 > 2.5p Get the answers you need, ...

2 answers

·

22 votes:

Answer:None of the equations are true for p = 3.4Step-by-step explanation:In order ...

Step-by-step explanation:

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3 years ago
A telephone pole has a wire to its top that is anchored to the ground. The distance from the bottom of the pole to the anchor po
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Answer:

The height of the pole is 105ft,

Step-by-step explanation:

Let us call h the height of the pole, then we know that the distance from the bottom of the pole to the anchor point is 49, or it is h - 49.

The wire length d is 14 ft longer than height h, hence

d= h+14.

Thus we get a right triangle with hypotenuse d= y+14, perpendicular  h, and base h-49; therefore, the Pythagorean theorem gives

(h-49)^2+h^2 = (h+14)^2

which upon expanding we get:

h^2-98h+2401 = h^2+28h+196

further simplification gives

h^2-126h+2205=0,

which is a quadratic equation with solutions

h =21ft\\h = 105ft.

Since the first solution h =21ft will give the triangle base length of 21ft-49ft = -28ft which is negative; therefore, we disregard it and pick the solution h = 105ft.

Hence, the height of the pole is 105ft.

3 0
3 years ago
Evaluate: ab when a = 2 and b=4
worty [1.4K]

Answer:

8

Step-by-step explanation:

ab = 2 * 4 = 8

7 0
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I dont understand this question.Help?
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the first step Andre made was

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or, -x+6=-8

And the first step Diego made was

2x+6=3x-8

or, +6=3x-2x

or, 6=x-8

...

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What percent of 8 is 33.52
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419 because all you have to do is calculate it
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