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Schach [20]
3 years ago
9

I need helppppppppppppppppppppppppppppppppppppppppppppp nowwwwwwwwwwwwwwww i am desperate

Mathematics
1 answer:
AfilCa [17]3 years ago
8 0

Answer:   14  2/3

This is the same as saying 14\frac{2}{3} which is the mixed number 14 and 2/3

whole part = 14

fractional part = 2/3

==================================================

Explanation:

To find the volume of a prism, we multiply the base area by the height.

The base area is shown in green as 7  1/3 square units.

This multiplies with the height 2 to get

2*(7  1/3) = 2*(7 + 1/3) = 2*(7) + 2*(1/3) = 14 + 2/3 = 14   2/3

As alternative notation, you can write  14  2/3  as 14 & 2/3.

Or you could write 14 \frac{2}{3}. Keep in mind that this does not mean 14 times 2/3.

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. The speeds of cars on the highway have a mean of 65 mph with a standard deviation of 5 mph.
ludmilkaskok [199]

Answer:

do 65 / 5 then multiply 80 * it 100

3 0
3 years ago
Tell whether the ratios form proportions<br> 4:20 and 6:30<br> 9/18,3/8
antoniya [11.8K]

9514 1404 393

Answer:

  • yes
  • no

Step-by-step explanation:

1) Each of the ratios can be reduced to 1 : 5, Since both can be reduced to the same ratio, the do form a proportion.

  4 : 20 = 1 : 5

  6 : 30 = 1 : 5

__

2) The first ratio can be reduced to 1/2. The second ratio is not 1/2 and cannot be reduced. Since they are different ratios, they do not form a proportion.

  9/18 = 1/2

  3/8 = 3/8

5 0
3 years ago
What is the answer to 1 1/10+2 4/5
Lesechka [4]

Answer:

39/10

3 9/10

3.9

Step-by-step explanation:

Convert the mixed number to an improper fraction

7 0
4 years ago
4/7 = ________ (decimal-round to hundredths)
Kamila [148]

Answer: It is .571

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
I picked up 15 shells and my brother picked up 3 more shells than I did. How many shells did my brother pick up?
Artist 52 [7]
Let you = y
Let your brother = b

y = 15
b = y + 3

Plug in 15 for y

b = 15 + 3
b = 18

Your brother picked up 18 shells.

Hope this helps

8 0
4 years ago
Read 2 more answers
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