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galina1969 [7]
2 years ago
12

Answer please and leave an explanation too! thank you!

Mathematics
1 answer:
grin007 [14]2 years ago
8 0

Answer:

1-C; 2-D.

Step-by-step explanation:

0) the common formula is:

area=π*r²;

1) according to the formula above the area of the sector C. doubles (increases by a factor two);

2) according to the formula the area of the sector D. quadruples (increases by a factor four).

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5x - 2y = -48<br>2x + 3y = -23<br>Solve for x and y
vredina [299]

Answer:

<em>x = -10, and y = -1</em>

Step-by-step explanation:

5x - 2y = -48

2x + 3y = -23

First equation times -2:        -10x + 4y = 96

Second equation times 5:     10x + 15y = -115

Add the last two equations:            19y = -19

y = -1

Substitute 1 for y in the first original equation.

5x - 2y = -48

5x - 2(-1) = -48

5x + 2 = -48

5x = -50

x = -10

Solution: x = -10, and y = -1


3 0
3 years ago
Evaluate the expression shown below and write your answer as a fraction in simplest form.​
Amiraneli [1.4K]

Answer:

1/2

Step-by-step explanation:

6 0
3 years ago
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Continue each pattern with the next two numbers.<br> 1.7,14,8,16,10,20,14,?
sashaice [31]
14 go’s to 28 so there u go have a good time good luck
7 0
3 years ago
What is 3/4 to the negative 1 power
umka21 [38]

Answer:

4/3

Step-by-step explanation:

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3 0
3 years ago
Fiona bought some socks that cost $4.95 for each pair and some belts that cost $6.55 each. Fiona spent $27.95 in all. Let a repr
Romashka [77]
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6 0
3 years ago
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