MATHEMATICS MIDDLE SCHOOL

Charlene wants to build a fence around her rectangular garden. The garden measures 20 meters by 60 meters. a. in other to build a fence, does charlene need to find the area or the perimeter of the garden? 
b. How much fencing materials does she need ?

Answers

Answer 1
Answer: The perimeter because the fence goes AROUND the yard, not in it.

P = 2w + 2l

P = 2(60) + 2(20)

P = 120 + 40

P = 160

Charlene needs 160 meters of fencing material.
Answer 2
Answer:


well do you need to find the area or perimeter

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What is the least prime number greater than 50?

Answers

A prime number is a number that has only two factors: 1 and itself
For example, the number 7 has two factors: 1,7 This makes 7 a prime number
Since the number has to be greater than 50, we can go to the next whole number; 51
51 has four factors, 1,3,17,51 This is not our prime number
52 is even so obviously it's not prime because you can divide by two
53 has only two factors; 1,53 This means that its prime and the answer is 53 :)
If you have any questions feel free to ask
 53 is the answer you're looking for. 

Prime numbers: 

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, =>53 

Hope this helps.

Amanda figured out that her aunt's age is 5 more than one - half the square of her own age. If Amanda is 8 years old, how old is her aunt? A) 21 B) 32 C) 37 D) 59
THE ANSWER IS 37 BUT HOW DO U SOLVE IT

Answers

so the way that i would solve it is i would take 8 and square it which would equal 64 then devide it by 2 and that gives me 32 and then add 5 which gives me 37 and thats how i would get the answer.   (8^{2}=64 /2=32+5=37)
the answer is D because that's 5 more than one (half the square of her own age)  ;)

At first,Ben had $90 and Chandra had $48 .each bought a shirt at the same price.the amounts of money Ben and chandra had left were in the ratio 4:1 .how much did the shirt cost?

Answers

90-48 = 42
3 units = 42
1 unit = 14
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Answers

the answer is 3.9424 so there are 4 decimal places.

Questions 12-15, I have already done 12 & 13

Answers

so i am just writing to say hi,don"t know the answer though sorry

How many millimeter are there in 2 kilometers?

Answers

Answer:

2,000,000

Step-by-step explanation:

There are 1,000,000 millimeters in a kilometer. So multiply that by two. Hope this helps

Answer:

2 km = 2000000.00 mm

Step-by-step explanation:
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