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gladu [14]
3 years ago
13

Compute difference and simplify 4-2/9

Mathematics
1 answer:
Tems11 [23]3 years ago
5 0
(4-2)/9=1/3
4-(2/9)=3&2/3
I wasn't sure which you wanted so I put both
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I need help Plz Help me thx
Lubov Fominskaja [6]
I think its the third one
3 0
3 years ago
When Carson runs the 400 meter dash, his finishing times are normally distributed with a mean of 63 seconds and a standard devia
Gnom [1K]

Answer: in 95% of races, his finishing time will be between 62 and 64 seconds.

Step-by-step explanation:

The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean . The empirical rule is further illustrated below

68% of data falls within the first standard deviation from the mean.

95% fall within two standard deviations.

99.7% fall within three standard deviations.

From the information given, the mean is 63 seconds and the standard deviation is 5 seconds.

2 standard deviations = 2 × 0.5 = 1

63 - 1 = 62 seconds

63 + 1 = 64 seconds

Therefore, in 95% of races, his finishing time will be between 62 and 64 seconds.

6 0
3 years ago
In a 30-60-90 right triangle, the shorter leg has a length of 4. What is the length of the longer leg? How would I figure this o
iVinArrow [24]

Answer:

use a^2 +b^2=c^2

Step-by-step explanation:


5 0
3 years ago
pamela wants to buy a new mercedes.The mercedes wheel has a radius of 35', what is the area of the mercedes wheel?
Leokris [45]
Pamela wants to buy a new mercedes.The mercedes wheel has a radius of 35', what is the area of the mercedes wheel? the answer would be 3848.45
5 0
3 years ago
5 DIVIDED BY 1/4 hURRY PLEASE
Anni [7]

Hello!

1/4 is equal to 0.25. Let's divide below.

5/0.25=20

When dividing by fractions, you multiply by the reciprocal. The reciprocal of 1/4 is 4, and 5(4)=20

Therefore, our answer is 20.

I hope this helps!

6 0
3 years ago
Read 2 more answers
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