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JulsSmile [24]
3 years ago
9

Using the graph as your guide, complete the following statement.

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
6 0

Answer:

B. positive

Step-by-step explanation:

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The area of a circle is 81 ft 2 . What is the π circumference? Leave in terms of Pi.
KonstantinChe [14]

Answer:

10.2π

Step-by-step explanation:

Given data

Area of circle=  81 ft^2

Also, the expression for the area of a circle is

A=πr^2

substitute

81=3.142*r^2

r^2= 81/3.142

r^2= 25.77

square both sides

r= √25.77

r= 5.1

Also, the expression for the circumference is

C= 2πr

substitute

C= 2*π*5.1

C= 10.2π

Hence the circumference is 10.2π

7 0
2 years ago
What is the value of 34 + 3.5(−44÷2)? <br><br>a.−111 <br><br>b.−43 <br><br>c.43 <br><br>d.111
mart [117]

Answer:

b

Step-by-step explanation:

-44÷2=-22

34+3.5*-22= -43

5 0
2 years ago
Factor 2x^2-128 completely
Alina [70]
2x² - 128

2(x² - 64), but (x² - 64)  = x² - 8² (difference of 2 squares),[a²-b²=(a-b)(a+b)]

2(x² - 64) = 2(x² - 8²) = 2(x-8)(x+8)

8 0
3 years ago
Solve this equation.<br> 2/3x−1/5x=x−1
KonstantinChe [14]

Answer:

 =  1  7/8

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
what’s the total area of a converter box buildings of 4 feet, width of 3 feet,and a height of 6 feet?
Katena32 [7]
The total will be 72
7 0
3 years ago
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