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liraira [26]
3 years ago
10

Devon must conduct a survey about safety in the deep coal mines. Describe in words how and where Devon should conduct a represen

tative sample of deep coal miners.
Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
7 0
Mining explosions are a big safety issue.
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A vertical plate is submerged (or partially submerged) in water and has the indicated shape. Explain how to approximate the hydr
Ivan

Answer:

f = 9.04 x 10 ∧5

Step-by-step explanation:

check the attachment below for detailed explanations

4 0
3 years ago
Plzzzzz help meeEEEE ALL 3 REWARD BRAINLIESTT
Fittoniya [83]

Answer:

See below

Step-by-step explanation:

1. (refresh if you cant see it)

F = \frac{9}{5}C+32\\\text{Bring variable C to left side}\\-\frac{9}{5}C=-F+32\\\text{Multiply by -1}\\\frac{9}{5}C=F-32\\\text{Multiply the equation by 5/9 to get C by itself}\\C = \frac{5}{9}(F-32)

2.

2(x + 3) = 20

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3.

x \geq -2 because even though it includes the expression "x>5", those values are also above -2, including 5.

7 0
3 years ago
What is the equation for a slope of -3 and y intercept of 7
Tom [10]

Answer:

Step-by-step explanation:

y=-3+7

5 0
3 years ago
A moving company charges a 75$ flat rate plus and additional $0.19 per mile driven. Which inequality correctly represents how fa
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A baker bakes 50 muffins. 1/5 of the muffins are chocolate chip. 1/2 of the muffins are blueberry. The rest are cinnamon. How ma
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Answer:

15 muffins are cinnamon.

Step-by-step explanation:

Given that:

Number of muffins baked = 50 muffins

Chocolate chip muffins = 1/5 of 50 = \frac{1}{5}*50

Chocolate chip muffins = 10 muffins

Blueberry muffins = 1/2 of 50 = \frac{1}{2}*50

Blueberry muffins = 25

Cinnamon muffins = Muffins baked - chocolate chip muffins - blueberry muffins

Cinnamon muffins = 50 - 10 - 25

Cinnamon muffins = 50 - 35 = 15

Hence,

15 muffins are cinnamon.

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3 years ago
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