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goldfiish [28.3K]
3 years ago
10

How much of the circle is shaded? Write your answer as a fraction in simplest form.

Mathematics
2 answers:
pishuonlain [190]3 years ago
5 0

Answer:

13/28

Step-by-step explanation:

Let

x-----> the shaded area

we know that

x+\frac{1}{4}+\frac{2}{7}=1

Because the complete circle represent the 100\%

and

100\%=100/100=1

solve for x

Multiply by 28 both sides

28x+7+8=28

28x=28-15

28x=13

Divide by 28 both sides

x=13/28 ----> fraction irreducible



jek_recluse [69]3 years ago
3 0
I hope this helps you

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Which property or properties of arithmetic do you use when you calculate 3×70 by first calculating 3×7 = 21 and then putting a z
ANEK [815]
The property used is the Associative property

3 × 70 = 3(70) = 3 (7×10) = (3×7) ×10

The formula is

a × bc = a (bc) = a (b×c) = (a×b) ×c
3 0
3 years ago
In a survey, four out of five people surveyed preferred creamy over chunky peanut butter. 120 people are shopping at the grocery
elixir [45]

Answer: Around 96 people would prefer creamy peanut butter.

Step-by-step explanation:

In the survey was found that 4 out of 5 preferred creamy over chunky peanut butter.

Then the relative frequency is:

4/5 = 0.8 prefer creamy peanut butter.

And we can assume that:

1/5 = 0.2 prefer chunky peanut butter.

We also could multiply these numbers by 100% to obtain the percentage forms:

0.8*100% = 80%

0.2*100% = 20%

Now, if there are 120 people in the grocery store, we can expect that the 80% will prefer creamy peanut butter.

Then we can expect that the number of people that prefers creamy peanut butter is:

N = (80%/100%)*120 = 0.8*120 = 96

Around 96 people would prefer creamy peanut butter.

3 0
3 years ago
I need help solving
Misha Larkins [42]
It took about 5.3 hours
8 0
3 years ago
Is angle SAM congruent to angle DEL if so identify the simularity postulate or theorem applies
atroni [7]

Answer:

yes

Step-by-step explanation:

yes because that is literally what he used

4 0
2 years ago
In class 6, 80percent of the children like crisps.
dezoksy [38]

80% like crisps
75% of the 80% like chocolate.

What percent of the total are the children who like chocolate and crisps?

75% of 80% = 60%

This 60% of children like chocolate and crisps

6 0
3 years ago
Read 2 more answers
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