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Mice21 [21]
2 years ago
15

The diagram shows a right-angled triangle.

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
8 0

Answer:

Step-by-step explanation:

Ac²= AB²+ BC²

Ac²= 4²+15²= 16+225

Square both side

Ac = √241= 15.52cm

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The weekly incomes of a large group of executives are normally distributed with a mean of $2,000 and a standard deviation of $10
cestrela7 [59]

Let X be the weekly incomes of a large group of executives. The weekly incomes of a large group of executives follows Normal distribution with mean $2000 and standard deviation $100.

μ =2000, σ =100

We have to find z score for income $2100 i.e x=2100

Z = \frac{x-mean}{standard deviation}

= \frac{2100 - 2000}{100}

Z = 100/100

Z = 1

The z score for income $2100 is 1

6 0
3 years ago
A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area f
otez555 [7]

Answer:

The sprinkler can spread water 18 feet away.

Step-by-step explanation:

We are given the following in the question:

Area formed by watering pattern = 1,017.36 square feet

We have to find the how far the sprinkler spread the water.

The sprinkler covers a circular area. We need to find the radius of this circular area to find the how far the sprinkler spread the water.

Area of circle =A = \pi r^2

Putting values, we get:

1017.36 = 3.14 r^2\\\\r^2 = \dfrac{1017.36}{3.14}\\\\r^2 = 324\\r = \sqrt{324} = 18\text{ feet}

Therefore, the sprinkler can spread water 18 feet away.

6 0
3 years ago
Convert.<br><br> 32 ft = <br> yd <br> ft Helpp
Nadusha1986 [10]

Answer:

10.667 yards

Step-by-step explanation:

7 0
3 years ago
Solve the proportion<br> 8<br> 000<br> 3<br> 1<br> a<br> C. 8<br> b.<br> 001001<br> d<br> 9
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Answer: what kinda math is this if i may ask?

Step-by-step explanation:

7 0
3 years ago
Idk this FTUDTFJDUTDFTIITDKDTDITDTI
Eva8 [605]
Lol it’s 3.75. 3*4 is 12 leaving 3.
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3 years ago
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