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exis [7]
3 years ago
10

Problem

Mathematics
1 answer:
Ganezh [65]3 years ago
8 0

Explanation is in the file

tinyurl.com/wpazsebu

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the radius of the inner white circle of the doughnut is 2cm. The circumference of the outer edge of the doughnut is 43.96cm. Wha
Elenna [48]

Answer:

141.4 sq cm

Step-by-step explanation:

to find the area of the outer circle with a smaller circle inscribed within, you find the area of each and subtract the smaller area from the larger

the radius of the smaller circle is 2

we have to find the radius of the larger circle so we use what we know about its circumference:

C = 2πr

43.96 = 2πr

21.98 = πr

21.98 / π = r

r ≈ 7 cm

now use r = 7 to find area of larger circle:

A = πr²

A = π49

Area of smaller circle:  4π

Area of larger circle without including inner section is 49π - 4π = 45π

45π ≈ 141.4 sq cm

7 0
3 years ago
Please help, Describe the transformation of the graph of the parent function y = √x for the function y = √x + 7 + 5.
Setler79 [48]

Answer:

C. Up.

Step-by-step explanation:

We have been given that the parent function y=\sqrt{x} is transformed to the function y=\sqrt{x+7}+5. We are asked to describe the given transformation.

Let us recall the transformation rules.

f(x+a)=\text{Graph shifted to left by a units},

f(x-a)=\text{Graph shifted to right by a units},

f(x)+a=\text{Graph shifted upwards by a units},

f(x)-a=\text{Graph shifted downwards by a units}.

Upon comparing our transformed function with the parent function, we can see that the graph is shifted to left by 7 units and upwards by 5 units.

Therefore the correct choice is option C.

5 0
3 years ago
Read 2 more answers
What is the difference between an irrational number and an integer? <br> PLEASE NEED HELP ASAP!!!!
tatiyna
Irrational numbers are numbers that have decimals and the decimals randomly keep going on. Remember, a repeating decimal is not necessarily an irrational number. (pi, sqrt(2), etc)
An integer is a whole number. (1, 2, 3, 4, etc) it could also be negative.
4 0
3 years ago
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Which statement accurately describes the scatterplot?
BlackZzzverrR [31]

Answer:

A

Step-by-step explanation:

The points seem to be clustered around a curve.

6 0
2 years ago
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Elephants drink 225 liters of water a day how many liters for 2 days
Mama L [17]
225 * 2 = 450
If the elephant drinks 225 liters of water a day it would wrong 450 liters of water in 2 days because 225 * 2 = 450
6 0
3 years ago
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