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sweet [91]
3 years ago
14

Solve the following equations for ????. Show your method and work. If no solution is possible, explain how

Mathematics
1 answer:
Semenov [28]3 years ago
8 0

Answer:

Step-by-step explanation:

Additive identity is 0.

step 3 used the additive identity property.

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Four circles, each with a radius of 2 inches, are removed from a square.
natka813 [3]

<u>Given:</u>

Given that the radius of the circle is 2 inches.

We need to determine the area of the remaining square.

<u>Area of a square:</u>

Given that each circle has a radius of 2 inches.

Then, the diameter of each circle is 4 inches.

Hence, the side length of the square is 2 × 4 = 8 inches.

The area of the square is given by

A=s^2

A=8^2

A=64 in^2

Thus, the area of the square is 64 square inches.

<u>Area of the four circles:</u>

The area of one circle is given by

A=\pi r^2

Substituting r = 2, we have;

A=4\pi

Thus, the area of one circle is 4π in²

The area of 4 circles is 4 × 4π =16π in²

Hence, the area of the 4 circles is 16π in²

<u>Area of the remaining square:</u>

The area of the remaining square is given by

Area = Area of the square - Area of four circles.

Substituting the values, we get;

Area=64-16\pi

Thus, the area of the remaining square is (64 - 16π) in²

Hence, Option c is the correct answer.

5 0
2 years ago
Rearrange so that there is no zero or negative exponent. 2m^0 n^-4
uranmaximum [27]

Answer:

2/n^4

Step-by-step explanation:

Anything to the zero power will become 1 so the m^0 will be 1 and that leaves just 2 in its place. Anything to a negative exponent is equal to its reciprocal so n^-1= 1/n^4. Then you multiple what remains, (2 x 1/n^4) to get the above answer.

3 0
3 years ago
Read 2 more answers
Jocary has 74 free cookies if someone answers how many cookies dose he have?
denis-greek [22]

Answer:

0 Cookies

Step-by-step explanation:

I ate them all

4 0
3 years ago
Read 2 more answers
The standard deviation of the lifetime of a particular brand of car battery is 4.3 months. A random sample of 10 of these batter
Anuta_ua [19.1K]

Answer:

d. 0.538

Step-by-step explanation:

Given information.

Standard deviation is 4.3

Random sample of 10

Consider the following calculations

P (sample mean is within 1 month of population mean)=

P(-1*sqrt(10)/4.3 <Z<sqrt(10)/4.3)=P(-.735<Z<0.735)

=0.538

7 0
4 years ago
What is the value of x in the following figure?<br> A. 38°<br> B. 52°<br> C. 142°<br> D. 128°
Anna11 [10]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
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