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telo118 [61]
2 years ago
13

If a certain number is increased by 5, one-half of the result is three fifths of the excess of 61 over the number. find the numb

er​
Mathematics
1 answer:
Serggg [28]2 years ago
4 0

Step-by-step explanation:

<h3>Let the number be x </h3><h3>X×5 =1/2 × 3/5 × 61</h3><h3>5X = 18 </h3><h3>X = 18/5 </h3><h3>X =3.3</h3>
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If a semi circle has a diameter of 5 m what is the area?
klasskru [66]

Answer:

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

Step-by-step explanation:

Semi circle formula: 1/2 * 4/3 * pi * r^3

r = 2.5

1/2 * 4/3 * pi * 2.5^3

2/3 * pi * 2.5^3

2/3 * pi * 15.625

10.416..... * pi

Exact answer = 10.417pi

We can estimate pi as 3.14

So, 10.417 * 3.14 = 32.70938

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

8 0
3 years ago
There are 6 times as many dogs as cats. If total the total number of dogs and cats is 21, how many dogs are there?
artcher [175]

there are 18 dogs and 3 cats.

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3 years ago
How do i do translation
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6 0
3 years ago
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#8 please. GCF of 117, 99, and 126
Advocard [28]
The factors of 117 are: 1, 3, 9, 13, 39, and 117
The factors of 99 are: 1, 3, 9, 11, 33, and 99 
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The greatest common factors of 117, 99, and 126 are: 1, 3, and 9. And according to your answer choices your answer is C. 9
7 0
3 years ago
Type your number answer in decimal form. do not round . ? millimeters = 9.2 cenimeters
adell [148]

Answer:

10 centimeter=92 milimeter

Step-by-step explanation:

we know that

one centimeter contains 10 milimeter or

1 centimeter is equal to 10 milimeter

1 centimeter=10 milimeter

we have to find

how many milimetersare there in 9.2 milimeters

9.2 centimeter=? milimeter

for this we will multiply by 9.2 on both sides

1 centimeter=10 milimeter

9.2 centimeter=10*(9.2)=92 milimeter

10 centimeter=92 milimeter



3 0
3 years ago
Read 2 more answers
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