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goldfiish [28.3K]
3 years ago
7

On a map of Arizona 2 inches represents 54 miles. The map distance from Yuma to Sentinel is 3 inches. What is the actual distanc

e in miles between the cities?
Mathematics
1 answer:
siniylev [52]3 years ago
6 0

Answer: 81 miles

Step-by-step explanation:

if 2 inches = 54miles then 1 inch is 27 miles because 54/2=27

so 3 inches means 3(27)=81 miles from yuma to sentinel

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Which system of equations could be used to determine how many of each coin you have
kirza4 [7]
<h3>Answer: Choice A</h3>

0.10d + 0.05n = 2.25

d = 2n

================================================

Explanation:

n = number of nickels

d = number of dimes

we have twice as many dimes as nickels, so we could have something like 18 dimes and 9 nickels. Algebraically we would write d = 18 and n = 9. The equation that fits this is d = 2n. The answer is between A and B at this point.

We rule out choice B since the 0.05d is incorrect. It should be 0.10d to represent the total value of all the dimes.

Choice A is correct

d = number of dimes

0.10d = value of all the dimes in dollars

n = number of nickels

0.05n = value of all the nickels in dollars

0.10d + 0.05n = total value from both coins combined

2.25 =  total value from both coins combined

0.10d + 0.05n = 2.25

8 0
3 years ago
Find the sum or difference<br><br> 5+10= ?
insens350 [35]
5+10=15
or 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1

7 0
3 years ago
Read 2 more answers
Which of the following are not parts of a pyramid?
erastovalidia [21]
Based on my knowledge Radius and Diameter are not part of a pyramid.
3 0
3 years ago
A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of m = 80 and a standard dev
kupik [55]
Cohen's d is calculated according to the formula:
d = (mean difference) / standard deviation
0.5 = mean difference / 12
Therefore, mean difference = 6
Since we have a population mean of 80, the sample mean must be 80 + 6 = 86.
5 0
3 years ago
PLEASE HELP I WILL MARK YOU BRAINLIEST
yawa3891 [41]

Answer:

Answer to question 1: The apple juice costs less because it costs 16 cents per ounce and the orange juice costs 21 cents per ounce

Answer to question 2: 10.12+5.33=15.45     22.31 - 15.45 = 6.86 so joe has $6.86 left

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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