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Pavel [41]
2 years ago
7

I will make Brailiest, DO IT STEP BY STEP PLZ! Mrs. Fisher jogs every morning. On average, it takes her 7 ½ minutes to run one m

ile. At this rate, how long does it take her to run 3 miles?
Mathematics
1 answer:
Kazeer [188]2 years ago
6 0

Answer:

22 1/2

Step-by-step explanation: 7 1/2 x3 = 22 1/2

proof 7 1/2 +7 1/2 +7 1/2 = 22 1/2

You might be interested in
The perimeter of a triangle is 57 centimeters. The longest side is 3 ​centimeter(s) less than the sum of the other two sides. Tw
Setler79 [48]
Let's say x is longest side, y is shortest side and z is the other side. So we have some equations such that

x+y+z=57 (by the first sentence)

x=(y+z) -3 (by the second sentence)

2y=x-15  (by the third sentence)

By the second equation, we have y+z=x+3 and if we use it in the first equation, then x+y+z=x+(x+3)=57. So x=27

Since x=27, if we use it in the third equation the we have 2y=x-15=27-15=12 then y=6

Therefore z=24


5 0
3 years ago
Please help and number the questions<br> Giving 50 points please solve it<br> And I won’t report
maxonik [38]

Answer:

1. 18.84 in

2. 56.52 cm

3. 4.71 ft

4. 25.12 m

5. 37.68 ft

6. 12.56 yd

7. 43.96 in

8. 28.26 cm

9. 7.85 m

Step-by-step explanation:

C=2\pi r

7 0
3 years ago
Add polynomials (intro)
exis [7]
Hope this helps you:)

7 0
3 years ago
Which numbers will produce a rational number when multiplied by 1/5
labwork [276]
A rational number times a rational number=rational numberan irrational number times a rational number=irrational number
remember, a rational number is a number that can be written as a/b where a and b are integers and b≠0


A is irrational because the pattern doesn't repeatb is irrational because it's a crazy square rootC is irrationalD is not irrational, it is a fraction 

answer is D

 
3 0
3 years ago
What is the volume of a hemisphere with a radius of 2.3 m, rounded to the nearest tenth of a cubic meter?
ANTONII [103]

Answer:25.5m^3

Step-by-step explanation:

radius(r)=2.3m

π=3.14

volume of hemisphere=2/3 x π x r^3

Volume=2/3 x 3.14x(2.3)^3

Volume=2/3 x 3.14 x 2.3 x 2.3 x 2.3

volume=(2x3.14x2.3x2.3x2.3) ➗ 3

Volume=76.40876 ➗ 3

Volume=25.5

3 0
3 years ago
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