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Andreas93 [3]
3 years ago
15

A circular lid on a to-go cup has a diameter of 4 inches. What is the area of the lid to the nearest hundredth? (Use 3.14 as an

approximation of pi.)
A.) 12.56 square inches
B.) 25.12 square inches
C.) 50.24 square inches
D.) 62.80 square inches


PLEASE PLEASE PLEASE HELP MEEEEE!
Mathematics
1 answer:
77julia77 [94]3 years ago
3 0

Answer:

The answer is A) 12.56 square inches

Step-by-step explanation:

The equation to find the answer is <u>3.14×r²</u>

r standing for radius. To find the diameter, you simply multiply the radius by 2.

Because they already gave us the diameter, the equation to solve this question is <u>3.14×4</u>

<u>3.14×4=</u><u>12.56</u>

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5 0
3 years ago
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const2013 [10]
You only need two points to describe a linear equation because there are only two unknowns from y=mx+b, namely m, the slope and b the constant or y-intercept.

You can find the slope by finding the change in y divided by the change in x from any two points...here I'll use (0,5) and (1,3)...so the slope or m is:

m=(dy/dx)=(3-5)/(1-0)=-2 now are line so far is:

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3 0
4 years ago
Read 2 more answers
3. What’s the answer to this question?
blondinia [14]

Answer: it would be D)

Step-by-step explanation:

the answer is D) because if you multiply 12 by 2 its 12 and she adds one more so it is 25 tickets in 12 days.

4 0
3 years ago
If the store currently charges a price of $50, then increases that price to $60, what happens to total revenue from shoe sales (
Goryan [66]

Answer:

<h2>Revenue will decrease</h2>

Step-by-step explanation:

Note: the question did not provide the quantity to work with, so we will assume some values, say quantity Q= 30

Generally, it is normal for the revenue to decrease when the price of a commodity increase, this is so that buyer will have to react to adjust to the change in price.

When price increase from $50 to $60, the total revenue will decrease

let say the quantity Q1=30 , and the new quantity after price increase is Q2=20

1. The revenue PxQ before price change will be

PxQ= P1xQ1=50*30

PxQ= $1500

1. The revenue PxQ after price change will be

PxQ=P2xQ2= 60*20

P2xQ2= $1200

This clearly shows that based on the assumed data, the total revenue will drop from1500 to 1200, a total of $300 in a decrease

4 0
3 years ago
What does the degree of a polynomial tell you about its related polynomial function?
sergiy2304 [10]

Step-by-step explanation:

An expression which contains coefficients, variables, non-negative integer exponents and constants is known as a polynomial.

For example,  x^{2} - 5x + 4 is a polynomial

where    coefficient of x^{2} = 1

              coefficient of x = -5

               constant = 4

              variable = x

and       exponent = 2

Degree of a polynomial is the highest power of variable in an expression.

In the above example, that is, x^{2} - 5x + 4 has a highest power of 2.

Degree of a polynomial tells about the number of roots a polynomial will have. Thus, we can conclude that x^{2} - 5x + 4 has degree 2 which means it will have 2 roots.

A polynomial with degree 3 with have 3 roots, a polynomial with degree 4 with have 4 roots, and so on. A degree will always be a non-negative integer.

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4 years ago
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