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agasfer [191]
3 years ago
9

Insert the parenthesis to make the equality right:630÷7÷2⋅9⋅25=125

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer:

(630 ÷ 7) ÷ (2 ⋅ 9) ⋅ 25 = 125

Step-by-step explanation:

630 ÷ 7 ÷ 2 ⋅ 9 ⋅ 25 = 125

(630 ÷ 7) ÷ (2 ⋅ 9) ⋅ 25 = 125

         90 ÷ 18 ⋅ 25 = 125

           5 ⋅ 25 = 125

               125 = 125

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If the cos of angle x is 8 over 17 and the triangle was dilated to be two times as big as the original, what would be the value
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Answer:

the answer is 8/17

Step-by-step explanation:

i got it right on the quiz

6 0
2 years ago
in a class of 32 students the mean height of the 14 boys is 1.56 meters and the mean height of all 32 students is 1.151 meters.
Nimfa-mama [501]

Answer: Hence, Mean height of the girls is: 1.48

Step-by-step explanation: It is given that:

in a class of 32 students .

the mean height of 14 boys is 1.56 and the mean height of all 32 students is 1.515.

Since there are 14 boys in a class.

So, number of girls is equal to (32-14)=18.

The mean height of 14 boys is 1.56.

Hence the sum of height of 14 boys is= 1.56×14=21.84

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Hence, sum of height of 32 students=1.515×32=48.48.

Let x denote the mean height of 18 girls.

Hence, sum of height of 18 girls is: 18 x.

Now,

18x+21.84=48.48

( since sum of height of girls and boys is equal to the sum of height of all the students)

so, 18x=48.48-21.84

18 x=26.64

Hence, x=1.48

Hence, Mean height of the girls is: 1.48

4 0
3 years ago
Monica’s retirement party cost two dollars, plus an additional three dollars for every guess she invites. If there are 16 guests
lesya692 [45]

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8 0
2 years ago
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Neko [114]

Answer:

\frac{5}{9}

Step-by-step explanation:

Total\ marbles=10\\\\Black=6\\\\White=4

After removing one black marble:

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6 0
3 years ago
The number 3,456,120 is divisible by which number from 1 to 10
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