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AveGali [126]
3 years ago
15

PLEASE HELP!!!!!!!!! I NEED IT

Mathematics
2 answers:
Vladimir [108]3 years ago
6 0

Answer:

32.5 feet

Step-by-step explanation:

Andreyy893 years ago
3 0

Answer:

32.5 feet

Step-by-step explanation:

This situation forms a right triangle. We are given the distance from the base of the tower (long leg of the triangle) and are asked to find the height (short leg of the triangle).

With this information, we can use the tan ratio, opposite over adjacent, to find the height of the tower.

tan 18 = \frac{x}{100}

Multiply each side by 100:

(100) tan 18 = x

Simplify and round to the nearest tenth:

32.49 = x

32.5 = x

So, the height of the tower is approximately 32.5 feet

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What is the arc length if
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A. 8π / 3

Step-by-step explanation:

6 0
3 years ago
The larger the number in standard notation, the ____________ the exponent on base 10.
PIT_PIT [208]
Larger I think, sorry if that’s wrong.
7 0
3 years ago
Read 2 more answers
The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.35 inches and a standard deviatio
Fiesta28 [93]

Answer:

15.87%

Step-by-step explanation:

Notice that the mean of 0.35 inches with a standard deviation of 0.01 gives you when you add (to the right of the distribution), exactly 0.36. Since you want to find the probability (or percentage) of the bolts that have diameter LARGER than 0.36 in, that means you want to estimate the area under the Normal distribution curve from 0.36 to the right). See attached image.

We can use the tables of Z distribution for that, or the standard normal tables:

P(x>0.36) = P(z>(0.36-0.35)/0.01) = P(Z>1) = 0.1587 = 15.87%

7 0
2 years ago
A potted tree weighs 21 pounds. The pot weighs 3 pounds. If w represents the weight of the tree without the pot, write an equati
masha68 [24]
W = 21 - 3
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8 0
3 years ago
Use a special-product rule to factor the perfect-square trinomial.<br> 81y^2+ 126y + 49
Ivahew [28]

Answer:

The perfect -square trinomial

                  (9y+7)²

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given polynomial equation

                        81 y² + 126 y +49

               ⇒     9² y² + 2(9)(7)y + 7²

                ⇒   (9y)² + 2(9)(7)y +7²

we will use formula

   (a+b)² = a² + 2ab +b²

             ⇒ (9y+7)²

<u><em>Final answer:-</em></u>

The perfect -square trinomial

                  (9y+7)²

7 0
2 years ago
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