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UNO [17]
2 years ago
7

Help me!! please. find the number of each numbered angle

Mathematics
1 answer:
Whitepunk [10]2 years ago
5 0

Answer:

Angle(1) = 60°

Angle(2) = 50°

Angle(3) = 70°

Explanation:

I'm much too tired to explain it rn but still if you really need the explanation, I'll give it to you in the comments section :)

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The equation a = 640s gives the relationship between s square miles and a acres. James owns 2.5 square miles of farmland. How ma
larisa [96]
This would be a question that would involve division. 

We do: (1,600 ÷ 4) and therefore, this would give us a= 640s just as we were looking for, and therefore, B would be your correct answer.
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3 years ago
How can I use the percent equation???Ex.what number is 40% of 500???and can u solve this one,too.:45 is 25% of what number???THA
HACTEHA [7]
I've been waiting for someone to ask this question.  It's one of my favorite questions to answer.

percent means out of 100 so 1% = 1/100 and 40%=40/100 or 1/25
so for percent of a number, 'of' means multiply so 40% of 500= 40/100 times 500 or 20000/100 or 200



if you multiply a fraction by its recipricol (the number fliped upside down) the you will get 1 so if you multiply 1/2 by 2/1 then you will get 1

thus
percent is out of 100 so 1%=1/100  25%=25/100
if you represent 45 out of something as 45/x then you multiply it by the reciprocal of the fraction that is supposed to be equal (1/2 =2/4) then you will get 1
so 45/x times reciprocal of 100/25 then you will get 1/1 or 4500/25x
so you divide to find x and get 180
so 45 is 25% of 180


The following is extra
   as stated above 'of' can be taken as multiply so
   45 is 25% of 180 can be rewriten as
   45=25/100 times 180
   but we don't know that 180 is the answer so we replace it with x then            solve for x
4 0
3 years ago
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