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loris [4]
3 years ago
8

there are 45 green cars and bkack cars. the green cars are 27 more than the black. how many are green cars?

Mathematics
1 answer:
devlian [24]3 years ago
6 0

Answer:

18

Step-by-step explanation:

45-27=18

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Kenny wants to learn how to serve overhand in volleyball. When he practiced yesterday, he made 7 serves over the net for every 2
Yakvenalex [24]

Answer: 28

Step-by-step explanation:

Given

Kenny made 7 serves over the net for every 2 serves that did not go over the net i.e. success rate of Kenny is

\Rightarrow \text{success rate}=\dfrac{7}{2+7}\times 100=\dfrac{700}{9}\%

for 36 serves, applying the same success rate, it is

\Rightarrow \text{success rate}=\dfrac{700}{9}\times\dfrac{1}{100}\times 36=28

Serves that did not make over the net is 36-28=8

Thus, Kenny will make 28 serves that make over the net

8 0
3 years ago
Consider all numbers consisting of four different digits all between 1 and 9 . How many of these are odd
Slav-nsk [51]

Answer:

1680

Step-by-step explanation:

Considering repeatition is not allowed.

We can  use permutation to reach to the required answer.

Consider four digits to be placed in four boxes. Now for the number to be odd, unit digit must be odd. Therefore, unit digit can only be filled by 1, 3, 5,7, or 9. That is 5 ways. Now, other three boxes can be filled with 8, 7 and 6 ways respectively.

Therefore, Total numbers = 5×8×7×6 = 1680

7 0
3 years ago
What is the anwser for 9*8*9*2981=?
goldenfox [79]

it would end up equaling 1931688

3 0
2 years ago
Please help me with question 1
Vanyuwa [196]
17/51=8/x   <-- Cross multiply
17x=408     <-- Divide 17 by both sides
x=24

The shortest side is 24 or B.
5 0
3 years ago
11. The price of a bottle of water at a store decreases from $1.65 to $1.40. Rounded to the nearest
ELEN [110]

Answer:

A. 15.2%

Step-by-step explanation:

Subtract the new price from the old one to find the dollar amount that the water bottle price was reduced.

1.65-1.40=0.25

The price was reduced by 25 cents, but we need to find the percentage. To do that, we divide the price reduction by the original price.

0.25/1.65=0.152

And then move the decimal place over two spots (multiply by 100)

15.2

3 0
3 years ago
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