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-BARSIC- [3]
2 years ago
14

- A six-foot diameter circular table

Mathematics
2 answers:
IrinaVladis [17]2 years ago
6 0

Answer:

28.26

Step-by-step explanation:

area of a circle is (pi)(r)^2

radius is half of the diameter

6/2=3

3 feet is the radius

a= 3.14 (3)^2

=3.14 x 9

= 28.26 feet

Zolol [24]2 years ago
6 0

Hi!

-------------------------------------------------------------------------------------------------------------

Area of a circle = \pi r^2

Radius (r) = \frac{diameter}{2}

-------------------------------------------------------------------------------------------------------------

In this problem:

r= \frac{6}{2}

r= 3

3.14 (3)^2

3.14(9)

28.26

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What is the discount if a jacket costing $85.00 is on sale for 20% off?
Verizon [17]

Answer:

68 dollars

Step-by-step explanation:

85.00 times .20=17

85.00-17.00=$68


3 0
3 years ago
Two letters are selected at random from the letters of the word Television. Find the probability that both of them are same lett
Alika [10]

Answer:

21%

Step-by-step explanation:

there are a total of 10 letters in the word 'television'

there are two instances of same letters:

two e's

two i's

P (2 e's) = 1/10 + 1/9 = 19/90 = 21%

P (2 i's) = 1/10 + 1/9 = 19/90 = 21%

3 0
2 years ago
What is the area, in square centimeters, of a circle that is 8 centimeters
Shalnov [3]

Answer: 8=201.06

4=50.27

Step-by-step explanation: What I mean by this is that if the radius (the distance from the center of the circle to the edge of the circle ) is 8 then the area of the circle is 201.06 and if the radius of the circle is 4 then the area of the circle is 50.27

5 0
3 years ago
Which of the following tables shows a proportional relationship?<br>A)<br>B) <br>Please Help ASAP
tatuchka [14]
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7 0
2 years ago
Write a two-column proof. Given: 7y = 8x - 14; y = 6. Prove that : x = 7.
svet-max [94.6K]

Answer:

Given: 7y =8x-14 , y =6

To prove: x =7

On substituting the value of y =6 in the equation 7y = 8x -14 to solve for x.

7(6)= 8x - 14

or

42 = 8x -14                       ......[1]

Addition Property of equality states that you add the same number to both sides of an equation.

Add 14 to both sides in equation [1];

42+14 =8x -14+14

Simplify:

56 = 8x              

or

8x =56                                 ......[2]

Division Property of equality states that you divide the same number to both sides of an equation.

Divide by 8 to both sides of an equation [2];

\frac{8x}{8} =\frac{56}{8}

Simplify:

x =7                             Hence proved!

A two Column proof:

 Statement                                Reason

1. 7y = 8x -14                                   Given

    y= 6

2. 7(6) = 8x -14                                Substitution property

3.  42+14 = 8x                                  Addition property of equality

4.   56 =8x                                       Simplify

5.    x =7                                           Division Property of equality

4 0
2 years ago
Read 2 more answers
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