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avanturin [10]
3 years ago
6

Lamont works for an electric utility and is installing a 40 foot utility pole as shown. Lamont drills the anchor of a support ca

ble into the ground 15 feet from the base of the pole. What is the minimum length of cable Lamont needs?
Mathematics
1 answer:
otez555 [7]3 years ago
4 0
Kindy Refer to your text book!
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The perimeter of a square is 252 feet how long is each side
gogolik [260]

Answer:

63 feet

Step-by-step explanation:

perimeter is the sum of all four sides and, since it's a square then all sides are equal

to find how long each side is divide 252 by 4

252÷4 = 63

6 0
2 years ago
Read 2 more answers
Heights for women are bell-shaped with a mean of 65 inches and standard deviation of 2.5 inches. If a random sample of 16 women
loris [4]

Answer:

μ= 65 inches; σ= 0.625 inch

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed(bell-shaped) random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this problem, we have that:

\mu = 65, \sigma = 2.5

By the central limit theorem, the sample of 16 will have:

\mu = 65, \sigma = \frac{2.5}{\sqrt{16}} = 0.625

So the correct answer is:

μ= 65 inches; σ= 0.625 inch

8 0
2 years ago
Gabe drove 124 miles in 150 minutes. find Gabe's speed in kilometers per hour. HELP PLEASE FOR MY TEST TMMRW
mario62 [17]

First, you need to convert the minutes into hours, to do this you divide the minutes by 60 (the amount of minutes in an hour). Once you've gotten the value (which is 2.5), you divide that by the amount of miles drove, then you get the unit rate, or in other words       the kilometers per hour, which equals 49.6 km/h

4 0
2 years ago
What are two equivalent ratios for the ration given <br> 10 to 15 and 11 to 20
ruslelena [56]

Answer:

by experts to help you in doubt clearance & scoring excellent marks in exams.

Step-by-step explanation:

6 0
2 years ago
A bag contains 4 red marbles, 16 yellow marbles, 5 purple, 16 blue marbles, and 10 green marbles. What is the probability of pul
Tasya [4]

red or green / total

4 + 10 / 4 +16 +5 +16 +10

14 / 51

8 0
3 years ago
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