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Juli2301 [7.4K]
3 years ago
13

Find the circumference and the area of a circle with radius 5 ft Use the value 3.14 for pi and do not round your answers. Be sur

e to include the correct units in your answers.
Mathematics
2 answers:
Black_prince [1.1K]3 years ago
8 0

Answer:

circumference: 31.41593 ft

Area: 78.53982 ft

Step-by-step explanation:

Andrew [12]3 years ago
6 0

Answer:

Circumference: 31.4 ft

Area: 78.5

Step-by-step explanation:

To do the circumference of a circle, you have to do 2\pir, let's do 2x\pi=6.28. Now we will do 6.28x5= 31.4, So 31.4 ft is the answer.

To do the area of a circle you have to do \pir² so \pix r². First we will do the radius first, 5x5=25, so we will do 3.14x25=78.5. So 78.5ft is the answer!

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Order of Operations- -6+(-30) divided by 5-(-2). Explain step by step
Reil [10]

Answer:

-36/7 or -5.14287

Step-by-step explanation:

so I would get rid of parentheses you do not need them

\frac{-6+-30}{5--2}=\frac{-36}{7}(because when two negative come before two numbers like -x-y they are being added but negative is present to the result of the sum, when one negative sign comes after a number and the other negative sign comes before a number, like x--y they are being added as well but negative is not present to the result of the sum)

-36/7=-5.1428

hope this helps!

7 0
3 years ago
Which is true about the polynomial -8m3 11m?O It is a binomial with a degree of 2.O It is a binomial with a degree of 3.O It is
koban [17]
-8m^3 + 11m....notice that it has 2 terms....(-8m^3) and (11m). Having 2 terms makes it a binomial...if it would have had 3 terms, it would have been a trinomial. If it has only one variable, the degree is the highest exponent...so this has a degree of 3 since ^3 is the highest exponent.
so ur answer is : binomial with a degree of 3
3 0
3 years ago
Read 2 more answers
What is 2/9n-5=2+5/9n<br> Btw its solving equations with variables on both sides
vova2212 [387]

Answer:

n=-0.04761

Step-by-step explanation:

given 2\div 9n-5=2+5\div 9n

2\div 9n-5\div 9n=2+5

\frac{2-5}{9n}=7

-3=7\times 9n

63n=-3

n=\frac{-3}{63}=-0.04761

n=-0.04761 answer

4 0
3 years ago
Find the zeros of the function y = x^2-1.
kumpel [21]

Answer:

Step-by-step explanation:

x^2-1=0

Add  1 to both sides of the equation.

x^2= 1

Take the square root of both sides of the equation to eliminate the exponent on the left side.

x = ± √ 1

Any root of  1  is  x = ± 1

First, use the positive value of the  ±

to find the first solution.

x= 1

Next, use the negative value of the  ±

to find the second solution.

x = − 1

The complete solution is the result of both the positive and negative portions of the solution.

x = 1 , − 1

4 0
3 years ago
Read 2 more answers
2/3 × 42 pls explain in steps
sergij07 [2.7K]

Answer:

28

Step-by-step explanation:

Convert element to fraction:

2/3 x 42/1

Cross-cancel common factor:

2/1 x 14/1

Multiply Factors:

2 x 14

1 x 1

Multiply the numbers 14 x 2 = 28

And boom, the answer is 28!

8 0
3 years ago
Read 2 more answers
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