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Ket [755]
2 years ago
13

I really need help with these questions, i don’t even have a clue how to do these.

Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
3 0

Answer:

231

Step-by-step explanation:

because the whole circle has an area of 360 so on the right side there is half and a little more so you would cut it in half so you have 180 and on the right side you still have a little left so thats about 10 so now you have 190 then you add 21 +20 you have 41 +190 =231 hope this helps

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How many different ways can you write a fraction that has a numerator of 2 as a sum of fractions? Explain.
zhenek [66]

Answer:

Step-by-step explanation:

1/5 + 1/5 = 2/5

1/7 + 1/7 = 2/7

1/3 + 1/3 = 2/3

There are an infinite number of these fractions. They must be 1 and 1 in the numerator, and the denominator must be relatively prime  to 2. The examples I have picked are prime in the denominator, but the rule is not without many exceptions. For example

1/9 + 1/9 = 2/9

I don't think you can pick an even denominator because it will reduce when put with two.  Oh wait 2/18 + 2/18 = 4/18 = 2/9 But these could be reduced before adding. Still, it might count. It depends on who is marking the question.

What about an odd and even denominator?

1/9 + 1/18 = 3/18 = 1/6  There must be something that works, but I can't come up with an example.

4 0
3 years ago
Divide $500 in the ratio 1:4
dezoksy [38]

Answer:

2000

Step-by-step explanation:

3 0
3 years ago
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One-fourth of the sum of 6 and 2 times cis 3​
lidiya [134]
3/4 that really helpssssssss
7 0
3 years ago
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Please help I’m confused?!?
olga2289 [7]
It is just asking you to reorder the number so that the smallest number is first and the largest number is last. 

The answer is: 8, 8.261, 8.4, 8.634
7 0
3 years ago
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A square has an area of 144 sq. units. how long is its perimeter?
Arada [10]
Formula for Area of a square:

\boxed {\boxed {\text {Area = Length x Length}}}

Given that the area is 144 unit²:

\text {Length}^2 = 144

\text {Length} = \sqrt{144} = 12 \text { units}

Formula for Perimeter of a square:

\boxed {\boxed {\text {Perimeter = 4 x Length }}}

\text {Perimeter = } 4 \times 12 = 48 \text { units}


\boxed { \boxed { \text {Answer: The perimeter is 48 units.}}}


6 0
3 years ago
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