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SSSSS [86.1K]
3 years ago
6

What is the answer to number 23 ?

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Use πr²

netineya [11]3 years ago
4 0

155 degrees hope this is right for you

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A kitten and a puppy found a sausage which is 14cm long and started eating it simultaneously from each end. The kitten is eating
julsineya [31]

It takes them 12 seconds to eat the whole sausage.

<h3>What is speed?</h3>

Speed is the rate of change of distance.

Analysis:

If kitten eats x cm, then puppy will eat 14 - x cm

speed = d/t

speed of kitten = 1/2

speed of puppy = 2/3

1/2 = x/t

2/3 = 14 - x / t

t = 2x--------1

2t = 3(14 - x ) -------- 2

substitute t in equation 2

2(2x) = 3(14 - x)

4x = 42 - 3x

7x = 42

x = 42/7 = 6cm

substitute value of x in equation 1

t = 2(60 = 12 seconds.

In conclusion, it takes the both animals 12 seconds to finish the sausage.

Learn more about speed: brainly.com/question/4931057

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1 year ago
Find the centroid for an area defined by the equations y = x² + 3 and y = - (x – 2)² + 7
sergeinik [125]
First we need to find where the 2 graphs intercept.

x^2 + 3 = - (x^2 - 4x + 4) + 7
x^2 + 3 = -x^2 + 4x + 3
2x^2 - 4x = 0 
2x(x - 2)

x = 0 , 2. are x coordinates  of the 2 intercepts.

6 0
3 years ago
HELP ILL GIVE BRAINLIEST
RideAnS [48]

Answer:

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Step-by-step explanation:

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Sarah was raising money for a fundraiser. Her fundraising goal was $40. What would 50% of her fundraising goal be??
Delvig [45]

Answer:

$20

Step-by-step explanation:

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Why do we study statistics?
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B. Because statistics can be applied to every field of study

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