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sashaice [31]
2 years ago
10

1-Find the missing number:

Mathematics
1 answer:
Yuki888 [10]2 years ago
8 0
1) 23

2) 3

3) 6x+5 (I am not sure what they ask for)

4) -12+x

5) -56x + 16

6) -90+80x

7) -18x+45y-27

8) 6x+24y-42

9) 2/3w+x-1

10) -1.2wy +3y
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Does anyone know the answer?I am stuck? Please explain it to me!
9966 [12]
We are given the length of AC and AB to be 20 and 6, respectively, so we can subtract 6 from 20 to find BC to be 14 cm.

The circumference of a circle is equal to 2 \pi r

C=2 \pi (14) = 28 \pi

The answer is approximately 87.96 cm
7 0
3 years ago
Read 2 more answers
9, 14, 7, 9, 3, 12, 5,4
Rus_ich [418]

Answer:

mean: 65

median: 9

Step-by-step explanation:

You take all the numbers you have and add them up. Make it simple by adding smaller numbers together. Then once you have the total which is 65 you divide it by the total of numbers you have and then round because after dividing you get 8.125 and the safest way to round is to 9.

5 0
3 years ago
Rachael is a nurse. She earns 12 vacation days after working 768 hours. How many hours does Rachael need to work to earn 1 vacat
RUDIKE [14]
Divide 768 hours by 12 hours and u will get a answerr
7 0
3 years ago
Which is the center of a circle whose equation is x2+y2+4x-8y+11=0?
Nikolay [14]

Answer:

Center (-2 , 4)

Step-by-step explanation:

x^2 + 4x + y^2 - 8y = - 11

(x^2 + 4x + (4/2)^2 + (y^2 - 8y + (8/2)^2 ) = - 11 + 4 + 16

(x + 2)^2 + (y -  4)^2 = 9

Center (-2,  4)

6 0
2 years ago
10. Solve the following pair of simultaneous equations 2 + x = y xy = 5. 1 Add file​
matrenka [14]
x = 5 and y = 3. That is the answer
8 0
3 years ago
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