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oee [108]
2 years ago
12

Everything is in the picture PLEASE HELP me ASAP and I'll give you the BRAINLIEST PLS IM BEGGING ​

Mathematics
1 answer:
anygoal [31]2 years ago
4 0

Answer:

21.5cm²

Step-by-step explanation:

First you find out the Area of the square itself which is 100cm² (squared). Then you Find the Area of the circle. The formula to find the area of a circle is  π  × Radius². So you find the diameter of the circle (which is 10) and divide that by 2 to find the radius. So the radius is 5 but then you need to square 5 which is 25. Then you multiply 25 with pi which is 78.5 so the area of the circle is 78.5cm². Now what you have to do is subtract the area of the square and the area of the circle to find the area of the shaded region. 100-78.5 is 21.5cm ² and that is the answer.

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x=-3/y-4

there's you answer
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Write these decimal fractions in words 42/100
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Forty two over one hundred 
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Plz, HELP me with this question! Plz, HELP me with this question!
defon
C is the correct answer
4 0
3 years ago
Mrs. Johnson’s class sold cookies for $2.50 each and Mr. Smith’s class sold popcorn for $1.50 each. Together, the classes sold 5
olga_2 [115]

Answer:

c+p = 53

2.5c+1.5p = 105.5

p = 27

c= 26

Mrs. Johnson  earned 65

Mr Smith  earned 40.5

Mrs Johnson earned  24.50 more

Step-by-step explanation:

Let c = cookies sold

p = popcorn sold

The number of items sold is 53

c+p = 53

The total cost of the items sold is 105.50  

The number of cookies sold times 2.50 plus the number of popcorn sold times 1.50 = 105.50

2.5c+1.5p = 105.5

System of equations:

c+p = 53

2.5c+1.5p = 105.5

Multiply the second equation by 10 to clear the decimals

10 *(2.5c+1.5p) = 10*105.5

25c+15p = 1055

Divide by 5

25c/5 +15p/5 = 1055/5

5c+3p =211

Multiply equation 1 by -5

-5(c+p)=-5*53

-5c-5p=-265

Add the equations

5c+3p =211

-5c-5p=-265

---------------------

-2p = -54

Divide by -2

-2p/-2 = -54/-2

p = 27

Now we need to find c

c+p = 53

c+27 = 53

Subtract 27 from each side

c+27-27 = 53-27

c= 26

Mrs. Johnson  earned the number of cookies times 2.5

c* 2.5

26*2.5 =65

Mr Smith  earned the number of popcorn times 1.5

p*1.5

27*1.5

40.5

Mrs Johnson earned 65-40.5 = 24.50 more

5 0
3 years ago
HURRY!!! 20POINTS!!! PLEASE!!!<br>If y=3/4 when x=1/2, find y when x=3
musickatia [10]
If y = 0.75 when x = 0.5, set up a proportion -

0.75:0.5
x:3

Since you have to multiply 0.5 by 6 to get 3, multiply 0.75 by 6 to get your answer: y = 4.5 when x = 3.
8 0
3 years ago
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