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olga55 [171]
3 years ago
7

7

Mathematics
1 answer:
kupik [55]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

Make a ratio equation:

12 : 4.8 = 16 : x

\frac{12}{4.8} = \frac{16}{x}

Cross multiply:

12x = 76.8

x = 6.4

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Charlotte and Edgar's ages add up to 22. Charlotte is one year
nadya68 [22]

Answer: Charlotte's 15 and Edgar's 7

Step-by-step explanation:

7*2=14

14+1 = 15

15 + 7 = 22

8 0
3 years ago
My number has a tens digit that is 8 more than the ones digit. Zero is not one of my digits. Write the 2-digit number that match
pochemuha

Answer:

The number is 91

Step-by-step explanation:

Let x be the ones place digit and y be the tens place digit,

Then the number would be 10y + x,

We have,

y - x = 8

Possible values of y and x = { (8, 0), (9, 1) }

∵ 0 is not the digit of the number,

Hence, y = 9 and x = 1

Therefore, required number = 10(9) + 1 = 90 + 1 = 91

6 0
3 years ago
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What is 19% as a decimal and a fraction?
kondaur [170]

Answer:

Decimal - 0.19 Fraction - 19/100

Step-by-step explanation:

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2 years ago
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KATRIN_1 [288]
3 is 23 degree
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7 0
3 years ago
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This equation shows how the total number of pieces Lamar has learned depends on the number of weeks he has taken piano lessons.
Dominik [7]

Answer:

19 weeks

Step-by-step explanation:

Given equation:

P = w

Where,

w = the number of weeks he has taken piano lessons

p = the total number of pieces he has learned

how many weeks of piano lessons will Lamar need before he will be able to play a total of 19 pieces?

Find w when p = 19

P = w

p = 19

Since P = w

19 = w

Therefore,

w = 19

Lamar need 19 weeks before he will be able to play a total of 19 pieces

3 0
3 years ago
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