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konstantin123 [22]
3 years ago
5

Show work

Mathematics
1 answer:
Maru [420]3 years ago
7 0
Area of circle = πr²
Area of circle = π x 12 x 12 
Area of circle = 452.4cm² (nearest tenth)
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What is (m+1)(m+1) multiplied
Zarrin [17]

Apply the "FOIL" method here. (m+1)(m+1) = m^2 + 1m + 1m + 1, or m^2 + 2m + 1.

4 0
3 years ago
Ab over 2 equal 2a minus 1,express a in terms of b
sasho [114]

\frac{ab}{2} = 2a - 1

2(\frac{ab}{2}) = 2(2a - 1) <em>multiplied both sides by 2 </em>

ab = 4a - 2 <em>distributed the 2 on the right side</em>

ab - 4a = -2 <em>subtracted 4a from both sides</em>

a(b - 4) = -2 factored out "a" from the left side

a = \frac{-2}{b - 4} <em>divided (b - 4) on both sides</em>

Answer: a = \frac{-2}{b - 4}

6 0
2 years ago
Using the given points and line, determine the slope of the line. (-3, 0) and (2, 7)
Nuetrik [128]

Slope for (x₁, y₁) and (x₂, y₂):      (-3, 0) and (2, 7)

Slope:      (y₂ -y₁) / (x₂ -x₁)

Slope:      ( 7 - 0) / (2 - -3)  =  7/(2 + 3) 

<span>Slope    = 7/5
</span>
4 0
2 years ago
Which of the graph of f(x)=x-1/x^2-x-6
Alik [6]

Answer:

a on edge

Step-by-step explanation:

3 0
2 years ago
Please help quick i get brainliest
IrinaK [193]
Question 1:
If you know that 3 squares equals 7 circles and the squares are being counted by 3, then continue to count the circle by 3 until you get 25 circles.
Example:
3 Squares : 7 circles
4 squares : 10 circles
5 squares : 13 circles 
6 squares : 16 circles
7 squares : 19 circles
8 squares : 22 circles
9 squares : 25 circles       Add 9 squares to 3 = 12
You will have 12 squares when continues to count all the way to 25 circles.

Question 2:
Just multiply 14 by 28 and you will get your answer. Which is 3. The missing digit's 3. You can then check by doing 392 ÷ 14 to see if you get 28.
6 0
3 years ago
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