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JulsSmile [24]
4 years ago
14

10 students of a class had a mean score of 70. The remaining 15

Mathematics
1 answer:
Anton [14]4 years ago
3 0

Oops someone else answered it before me

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What is the perimeter of this polygon?<br>A(2, 3)<br>B(-4, 0)<br>C(0,-4)<br>D(4,0)​
vovangra [49]

Answer:2,3 hope it help you

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Evaluate 3xy- y + 6z when x = 1, y = - 2 and z = 3
Marat540 [252]

Answer:

<h2>14</h2>

Step-by-step explanation:

3xy- y + 6z \\\\x = 1\\ y = - 2 \\ z = 3\\\\3(1)(-2) - (-2) +6(3)\\-6 + 2 +18\\=14

4 0
3 years ago
Read 2 more answers
HELP PLEASE I GIVE BRAINLIEST
marta [7]

Answer:

30

Step-by-step explanation:

Perimeter of rectangle = 5y - 1 + 4y + 2 + 5y - 1 + 4y + 2

                                      = 18y + 2

18y + 2 = 128

18y = 128 - 2

     = 126

y = 126 ÷ 18

y = 7

Length of AD = 4y + 2

                      = 4(7) + 2

                      = 28 + 2

                      = 30

5 0
3 years ago
In circle P, BC = 24 ft. What is the length of ABC
natulia [17]

Answer:

C) 22 pi

Step-by-step explanation:

Here the diameter of the circle = 24.

Therefore, radius of the circle = 24/2 = 12 ft

Here we have to use the formula to find the arc length.

Arc length = (central angle / 360) * 2*pi*r

Central angle ABC = 360 - 30 = 330 degrees and radius (r) = 12

Now plug in these values in the formula, we get

Arc length ABC = (330/360) *2*pi*12

Now we have to simplify it.

= 11/12 *2 *pi*12

= 11*2*pi

Arc length of ABC = 22pi

Therefore, the answer is C) 22 pi

Hope you will understand the concept.

Thank you.

3 0
3 years ago
A group of people gathered to watch a baseball game. While talking, they realized that 12 of
rodikova [14]

Answer:

P(Boston Red Sox) = 2/5

Step-by-step explanation:

The probability that the favorite team of a randomly selected baseball fan is the Boston Red Sox can be found by dividing the number of Boston Red Sox fans by the total number of fans.

It's given that there are 12 Boston Red Sox fans and 18 other fans. Therefore the total number of fans is 12 + 18 = 30.

If we divide the number of Boston Red Sox fans by the total number of fans, we get 12/30 = 2/5. Finally, we have P(Boston Red Sox) = 2/5.

4 0
2 years ago
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