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nikitadnepr [17]
3 years ago
10

- There are 75 cars at a dealership. 35 are blue or red. Suppose 16 are red and 3 are

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

Answer:

56

Step-by-step explanation:

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A right cubic prism has edges of 2 1/2 inches. How
3241004551 [841]

Answer:

Option D, the volume is 15.625 cubes

Step-by-step explanation:

For a cube of side length L, the volume is:

V = L^3

for the smaller cubes, we know that each one has a side length of 1 in, then the volume of each small cube is:

v = (1in)^3 = 1 in^3

Then:

1 in^3 is equivalent to one small cube

Here we know that the side length of our cube is (2 + 1/2) in

Then the volume of this cube will be:

V = [ (2 + 1/2) in]^3

To simplify the calculation, we can write:

2 + 1/2 = 4/2 + 1/2 = 5/2

Then:

V = ( 5/2 in)^3 = (5^3)/(2^3) in^3 = 125/8 in^3 = 15.626 in^3

This means that 15.625 small cubes will fill the prism.

So the correct option is D.  

8 0
3 years ago
A bedroom has a length of x + 6 feet and a width of x feet. Find the area of the bedroom, y, when x = 12.
Juliette [100K]
The answer is 216 because (12 + 6) x (12)
8 0
3 years ago
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Henry ran 1 5/8 miles in the morning and 9/10 in the afternoon . About how many miles did he run in all
arlik [135]
61/40, or about 2 and a half miles.the exact number is 2.525. hope this helps.
3 0
3 years ago
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Find the value of x and the value of y for which (x,23) and (18,y) ate the points on the graph y=0.5x+15
shutvik [7]

Answer:

x=16; y=24

Step-by-step explanation:

for (x,23), 23=0.5x+15

x=16

for (18xy), y=0.5*18+15=24

8 0
3 years ago
How can you use mental math to multiply numbers by 10?
Wittaler [7]

Answer:

add a zero at the end of the number. 5x10=50. 60x10=600. 700x10=7000 etc.

Step-by-step explanation:

3 0
2 years ago
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