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marusya05 [52]
3 years ago
15

Write an expression of: divide B by 6, then subtract 3 from the result do not simplify any part of the expression

Mathematics
1 answer:
IrinaVladis [17]3 years ago
7 0

Answer:(4-6)-h

Step-by-step explanation:

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a jogger runs 4 miles per hour faster downhill than uphill. if the jogger can run 5 miles downhill in the same time that it take
Serga [27]

Answer: the rate uphill is 6 mph.

The rate downhill is 10 mph

Step-by-step explanation:

Let x represent the rate at which the jogger ran uphill.

The jogger runs 4 miles per hour faster downhill than uphill. This means that speed at which the jogger ran downhill is (x + 4) mph

Time = distance/speed

if the jogger can runs 5 miles downhill, then the time taken to run downhill is

5/(x + 4)

At the same time, the jogger runs 3 miles uphill. It means that the time taken to run uphill is

3/x

Since the time is the same, it means that

5/(x + 4) = 3/x

Cross multiplying, it becomes

5 × x = 3(x + 4)

5x = 3x + 12

5x - 3x = 12

2x = 12

x = 12/2

x = 6

The rate downhill is 6 + 4 = 10 mph

8 0
3 years ago
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According to the census data, in 2014 about 126 million adults in the United States were women, which is about 51.4% of the tota
jeka57 [31]

Answer:

245.1361868

Step-by-step explanation:

126               51.4

___    =        ____             126x100=12600      12600/51.4=245.1361868

 x                  100

6 0
3 years ago
Y=x^2-5x+11<br> Find vertex form
Marat540 [252]

Answer:

42

Step-by-step explanation:

The answer to life the universe and everything is 42

8 0
3 years ago
What is 3-2y+(-8y)+8.4 as a simplified expression
IRISSAK [1]

Answer:

-10y + 11.4

I hope this helps you out

7 0
3 years ago
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Find the value of 1/3 divided by 1/2
Arisa [49]

When dividing two fractions, it is important to know to multiply the first fraction by the reciprocal of the second fraction.

Reciprocal means basically a flipped fraction. 2/3 as a reciprocal is 3/2, etc.

1/3 / 1/2= 1/3 x 2/1=2/3

8 0
3 years ago
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