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NARA [144]
3 years ago
8

You run 3 1/4 miles as a part of an exercise routine. You run 2/5 of that distance on a hill. You run down a slope for the last

1/2 of the hill. On how many miles of your run do you run down the slope? Write your answer as a fraction or mixed number in simplest form.
Mathematics
1 answer:
OLga [1]3 years ago
6 0

Answer:

Oh

Step-by-step explanation:

Wow thats cool

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Help .. A. 600, 0 B. 50, 350 C. 0, 500
Len [333]

Answer:

C.0, 500

Step-by-step explanation:

6 0
3 years ago
At the library you find nine books on a certain topic the librarian tells you that 55% of the books on this topic have been sign
sleet_krkn [62]
9 x 0.55 = 4.95, which can be rounded to the ones place.

5 books remain.
4 0
3 years ago
Bob and Doug are both 100-meter sprinters. Bob's sprint time is normally distributed with a mean of 10.00 seconds and Doug's spr
alexdok [17]

Answer:

The standard deviation (σ) = 0.05

Step-by-step explanation:

The question is to find the standard deviation.

STEEP 1: FIND THE MEAN

(10+9.9) ÷ 2 = 9.95

STEP 2: SQUARE THE DIFFERENCE BETWEEN SPRINT TIME AND MEAN

10-9.95= 0.05

0.05^2 = 0.0025

9.9 - 9.95= -0.0025

-0.0025^2 = 0.0025

STEP 3: FIND THE VARIANCE

0.0025+0.0025= 0.005

0.005/2= 0.0025

STEP 4: FIND THE STANDARD DEVIATION (σ )

√variance

√0.0025 = 0.05

Therefore

σ = 0.05.

From the standard deviation, the percentage probability of the higher value to occurs is

0.05×100= 5%

That means Doug has 95%

And Bob has 5%

3 0
3 years ago
The Xbox X is back in stock just in time for black Friday. Retailers are now offering the Xbox one S for 40% of the original pri
oksian1 [2.3K]

Answer:

230$ discount

Step-by-step explanation:

It costs 345$ now with a game pass

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

6 0
3 years ago
There are 60 boys in the third year, 24 of whom study chemistry. What percentage of third year boys study chemistry.
quester [9]

Answer:

40%

Step-by-step explanation:

24/60 = .4

8 0
3 years ago
Read 2 more answers
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