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Mamont248 [21]
2 years ago
10

PLEASE HELP!! DUE SOON!!

Mathematics
1 answer:
Solnce55 [7]2 years ago
3 0

Answer: Its A. decagon

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The sum of the ages of Nicole and Rachel is 30. Currently Nicole is four years older than Rachel. How old is Rachel?
Lunna [17]
Rachel is 13. since Nicole is 17.
13+17=30
3 0
3 years ago
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Do you know the answer toPart A: 25% of 50 = Part B: 25% of 60 = Part C: 50% of 60 = Part D: 75% of 60 = Part E: 75% of 30 = Par
Verdich [7]

Answer:

Part A: 25% of 50 = 12.5

Part B: 25% of 60 = 15

Part C: 50% of 60 = 30

Part D: 75% of 60 = 45

Part E: 75% of 30 = 22.5

Part F: 100% of 22.5 = 22.5

Part G: 10% of 22.5 = 2.25

Part H: 50% of 45.7 = 22.85

Step-by-step explanation:

To find - Do you know the answer to

              Part A: 25% of 50 =

              Part B: 25% of 60 =

              Part C: 50% of 60 =

              Part D: 75% of 60 =

              Part E: 75% of 30 =

              Part F: 100% of 22.5 =

              Part G: 10% of 22.5 =

              Part H: 50% of 45.7 =

Proof -

Part A :

25% of 50 =  \frac{25}{100} *50 = \frac{1}{4}*50 = 12.5

⇒25% of 50 = 12.5

Part B :

25% of 60 =  \frac{25}{100} *60 = \frac{1}{4}*60 = 15

⇒25% of 60 = 15

Part C :

50% of 60 =  \frac{50}{100} *60 = \frac{1}{2}*60 = 30

⇒50% of 60 = 30

Part D :

75% of 60 = \frac{75}{100} *60 = \frac{75}{10}*6 = 45

⇒75% of 60 = 45

Part E :

75% of 30 = \frac{75}{100} *30 = \frac{75}{10}*3 = 22.5

⇒75% of 30 = 22.5

Part F :

100% of 22.5 = \frac{100}{100} *22.5 = 22.5

⇒ 100% of 22.5 = 22.5

Part G :

10% of 22.5 = \frac{10}{100} *22.5 = 2.25

⇒ 10% of 22.5 = 2.25

Part H :

50% of 45.7 =  \frac{50}{100} *45.7 = \frac{1}{2}*45.7 = 22.85

⇒50% of 45.7 = 22.85

6 0
3 years ago
HELLLLLLLPPPPPPPPPPPP
elena55 [62]

Answer:

250

5:15

true

i already helped you

5 0
3 years ago
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You have 45 pencils. Five out of every 9 are yellow pencils and the rest are brown. How many pencils are yellow?
Aleks [24]

Five out of every nine pencils are yellow. You can make a fraction for this:

\frac{5}{9}

You have 45 pencils. To find the amount of yellow pencils, multiply the fraction by 45. First set up the equation:

\frac{5}{9} \times 45

Make 45 as a fraction so that you'll be multiplying fractions together. It will also make it easier.

To write a whole number as a fraction, <em>ALWAYS</em> make the whole number the denominator and 1 as the numerator.

45 \rightarrow \frac{45}{1}

Here is the "new equation":

\frac{5}{9} \times \frac{45}{1}

Multiply. You multiply the numerators and denominators together.

\frac{5}{9} \times \frac{45}{1} =\frac{225}{9} = 25

That means <u>25</u> pencils are yellow

5 0
3 years ago
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To solve 5(2x + 4) = 15, first divide each side by
Anna35 [415]

Answer:

5

Step-by-step explanation:

First divide each side by 5

so you'll get

2x+4=3

2x=-1

x=-1/2

5 0
3 years ago
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