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DanielleElmas [232]
3 years ago
5

50 POINTS

Mathematics
2 answers:
zysi [14]3 years ago
5 0

Answer:

Area of sector = 21.21

Step-by-step explanation:

victus00 [196]3 years ago
5 0

Answer:

Area of sector = ½ r² ∅

1/2 ( 9^2) pi/6

81 x pi/6 x 1/2

81 x (0.52359877559) x 1/2

Area of sector = 21.21

Step-by-step explanation:

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At 106°F, a certain insect chirps at a rate of 67 times per minute, and at 108°F, they chirp 83 times per minute. Write an equat
Step2247 [10]

Answer:

y=8x-781

Here, x represents temperature and y denotes rate of chirping per minute.

Step-by-step explanation:

Let x represents temperature and y denotes rate of chirping per minute.

At 106°F, a certain insect chirps at a rate of 67 times per minute.

Take (x_1,y_1)=(106,67)

At 108°F, they chirp 83 times per minute.

Take (x_2,y_2)=(108,83)

Slope intercept form:

y-y_1=(\frac{y_2-y_1}{x_2-x_1})(x-x_1)

y-67=(\frac{83-67}{108-106})(x-106)\\\\y-67=(\frac{83-67}{108-106})(x-106)\\\\y-67=(\frac{16}{2})(x-106)\\\\y-67=8(x-106)\\y-67=8x-848\\y=8x+67-848\\y=8x-781

3 0
3 years ago
Please help me!! What is the value of???<br><br>-4×3<br>12÷(-6)???
Sever21 [200]

Answer:

-4x3=12

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3 0
3 years ago
Ice cream sales (in gallons) fluctuate from month to month, depending on the season. A local ice cream lover would like to condu
Oksi-84 [34.3K]

This is two independent sample test.                                                                                                                        

<u>Step-by-step explanation</u>:

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7 0
4 years ago
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DedPeter [7]

Answer:

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Step-by-step explanation:

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6 0
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