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Brrunno [24]
2 years ago
7

A satellite can move at 16,000 miles per hour. How many hours will it take to reach a star that is two light years away?

Mathematics
1 answer:
Citrus2011 [14]2 years ago
4 0

Answer:

b

Step-by-step explanation:

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Cannonballs are stacked in a pyramid shape with a triangular base of 5 cannonballs on a side. How many cannonballs in all are in
jek_recluse [69]

Answer:

one side would be 15, you need to do 15x4 to find the whole pyramid, so it would be 60

Step-by-step explanation:

4 0
3 years ago
The heights of North American women are nor-mally distributed with a mean of 64 inches and a standard deviation of 2 inches. a.
serious [3.7K]

Answer:

0.1587

Step-by-step explanation:

Given the following :

Mean (m) of distribution = 64 inches

Standard deviation (sd) of distribution = 2 inches

Probability that a randomly selected woman is taller than 66 inches

For a normal distribution :

Z - score = (x - mean) / standard deviation

Where x = 66

P(X > 66) = P( Z > (66 - 64) / 2)

P(X > 66) = P(Z > (2 /2)

P(X > 66) = P(Z > 1)

P(Z > 1) = 1 - P(Z ≤ 1)

P(Z ≤ 1) = 0.8413 ( from z distribution table)

1 - P(Z ≤ 1) = 1 - 0.8413

= 0.1587

5 0
3 years ago
One of the formulas for calculating the correct dosage for a child is as follows: C= a/((a+12)) ∙ 180 C = child’s dosage in mill
bogdanovich [222]
So you already have the formula for calculating the dosage for child with: C = a/(a+12)x 180 ml Not sure why you have double brackets

variables are: a = child's age, so everywhere you have an "a" replace it with the age of child.

Example: 5 year old child

C = 5/(5+12)*180= 5/(17)*180 = 5/3060 = .0016 ml or milligrams
8 0
3 years ago
Trey’s car has a 20-gallon fuel tank. The fuel gauge points to ¼ . If Trey buys 10 gallons of gas, what will be the new reading
Lelu [443]

Answer:

3/4

Step-by-step explanation:

1/4 + 2/4 = 3/4


5 + 10 = 15

6 0
3 years ago
Read 2 more answers
What is 13.038 rounded to the nearest thousandth?
denis23 [38]
13.1......... I believe this is the correct answer
5 0
3 years ago
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