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Karo-lina-s [1.5K]
3 years ago
15

120 feet is _ times as long as _feet

Mathematics
2 answers:
Nostrana [21]3 years ago
7 0
120 feet is 2 times as long as 60. 
Softa [21]3 years ago
4 0
120 feet is 2 times as long as 60. 

Hope This helps!

Plz Mark as brainlest
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There are two less nickels than dimes, and as many quarters, as nickels and dimes together. The total amount of money is $5.25.
katen-ka-za [31]
N=d-2
q=n+d =>q=(d-2)=q=2d-2
25q+5n+10d=525
replace q and n with d
25(2d-2) +5(d-2)+10d=525
50d-50+5d-10+10d=525
65d=585
d=9
n=7
q=16

3 0
2 years ago
A sample of computer tablet batteries has a mean battery life of 28 months and standard deviation of 4 months. What is the lifes
Ulleksa [173]

Using the Empirical Rule, it is found that the lifespans, in months, are given by:

1. 24 and 32.

2. 20 and 36.

3. 16 and 40.

<h3>What is the Empirical Rule?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

Hence, considering the mean of 28 months and the standard deviation of 4 months, the life spans are given by:

1. 24 and 32.

2. 20 and 36.

3. 16 and 40.

More can be learned about the Empirical Rule at brainly.com/question/24537145

5 0
2 years ago
A scientist observes that a zebra ran 54 yards in 135 seconds. The zebra ran at a rate of _ feet per minute
Evgen [1.6K]
Someone asked this question before on brainly before. The answer is on this website: brainly.com/question/946010.
3 0
3 years ago
Each of the students in Mr. McDonald class of 16 raffle tickets if each ticket cost 15 how much money did Mr. McDonald’s student
Valentin [98]

16*15 =240

240*s where s = number of students in Mr McDonalds class


5 0
2 years ago
Read 2 more answers
Two-thirds had their picture taken. If 124 had their picture taken, how many total?
krok68 [10]

Answer:

93

Step-by-step explanation:

if you do 124*\frac{3}{4}

6 0
3 years ago
Read 2 more answers
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