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ludmilkaskok [199]
3 years ago
12

An object travels 8 miles in 20 minutes at a constant speed. What is the object's

Mathematics
1 answer:
Dominik [7]3 years ago
4 0
It would be 24 miles per hour
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20. The surface areas of two similar solids are 216 m² and 1014 m². The volume of the larger one is 2197 m³. What is the volume
Andrei [34K]

Answer:

  216 m³

Step-by-step explanation:

The ratio of linear dimensions is the square root of the ratio of area dimensions.

  s = √(216/1014) = √(36/169) = 6/13

Then the ratio of volume dimensions is the cube of that. The smaller volume is ...

  v = (6/13)³·2197 m³ = 216/2197·2197 m³ = 216 m³

The volume of the smaller solid is 216 m³.

8 0
4 years ago
The height of a pyramid is 15 inches. The pyramid's base is a square with a side of 5 inches. What is the pyramid's volume?
padilas [110]

Answer:

The pyramid's volume is 125\ in^{3}

Step-by-step explanation:

we know that

The volume of the pyramid is equal to

V=(1/3)Bh

where

B is the area of  base of pyramid

h is the height of the pyramid

Find the area of the base B

B=5^{2}=25\ in^{2} -----> is a square

h=15\ in

substitute the values

V=(1/3)(25)(15)=125\ in^{3}

6 0
4 years ago
HELP PLEASE 20 POINTS
nikklg [1K]
Midpoint = ( 7 + (- 5 )/2) , ( 0 + (-4)/2)
(7-5/2) , (0-4/2)
(2/2) , (-4/2)
(1 , -2)<-- this point will be in quadrant 4 see it in graph
8 0
3 years ago
I need help asaapppp
alexandr1967 [171]
32 divided by 7 is 4.57
8 0
3 years ago
1. Which of the following is 60% in fraction form? A. 2/5 B. 3/5 2. What is 2/5 in percent? C. 4/5 D. 1/5 A. 20% B. 40% C. 80% D
ra1l [238]

1. 60% can be written as 60/100, simplified as 3/5
2. 2/5 is 40/100, can be written as 40%
3. 1/3 is 33.33333...% -> 0.(3) [ infinite recurring decimals if i remember  correctly]
4. 250 here is the base (original number)
5. 48/100 can be written as 48% -> 0.48
6. base
7. percentage
8. 300
9. 24%
10. portion
11. (i dont know what this mean, next time write it more carefully)
12. percentage

8 0
2 years ago
Read 2 more answers
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