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krok68 [10]
3 years ago
15

HELPPPPP...........

Mathematics
1 answer:
Blababa [14]3 years ago
6 0

Answer:

3 and 4 are the only ones that are right angles.

Step-by-step explanation:

A^2+B^2=C^2

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Tara wants to know if the students in her school like to listen to music. She asks fi ve boys and fi ve girls from each class. W
Lesechka [4]

Answer:

No.

Step-by-step explanation:

Reason:

1. the sample size is too small.

2. we dont know the boy-girl ratio in this school. It's possible that there are only 5 girls in the school. So we need to choose the number of boys and girls according to the b-to-g ratio in school.

7 0
3 years ago
The perimeter of a retangular field is 294 yards. If the width of the field is 64 yards what is the length?
lana66690 [7]

Answer:

83 yards

Step-by-step explanation:

We are given;

  • Perimeter of rectangle is 294 yards
  • Width is 64 yards

We are required to determine the length;

  • we need to know how to get the perimeter of the rectangle;
  • Perimeter = 2( length + width)

That is;

P = 2 (L + W)

P = 2L + 2W

Rearranging the formula;

2L = P - 2W

Therefore;

2L = 294 yards - 2 (64 yards)

     = 294 - 128

     = 166

L = 166 ÷ 2

  = 83 yards

Thus, the length of the rectangle is 83 yards.

5 0
4 years ago
The temperature outside changed from 79°F to 44°F over a period of five days. If the temperature changeu
bixtya [17]

Answer:

B: -7°F

Step-by-step explanation:

79-44=35

Because its over a period of five days we would divide

35÷5=7

Since the numbers are going down its negative

-7

5 0
3 years ago
Read 2 more answers
Please help!!!!!!! I just need the answers. Please someone!
pishuonlain [190]

Answer:

Step-by-step explanation:

1. f(x)/g(x) = 2x/3x^3 = 2/(3x^2)

2. f(x)*g(x) = 4x * (x+5) = 4x(x+5) =4x^2+20x

3. f(3)/g(2) = (2(3)+1)/(3(2)+2) = 7/8

4. f(4)*g(-1) = (4^2-5) * (3(-1)-1) = 11 * (-4) = -44

5. ((f(5)+g(1)) / (f(6)-g(-2)) = ((5-4)+(3(1)+6)) / ((6-4)-(3(-2)+6) = 10 / 2 = 5

3 0
3 years ago
In the number at the right circle the 4 that has 10 times the value of the underlined 4
Aleksandr [31]
I think you would multiply 4 and 10  and that equals 40.
7 0
4 years ago
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