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stellarik [79]
3 years ago
10

Please help . I will mark brainliest

Mathematics
2 answers:
Nonamiya [84]3 years ago
8 0

Answer:

Im pretty sure its A

Step-by-step explanation:

Step2247 [10]3 years ago
5 0

Answer:

c: car b was 10 miles east of car a

Step-by-step explanation:

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Kelly tells you that when variables are in the denominator, the equation becomes unsolvable. "There is a value for x that makes
saveliy_v [14]

The problem can be translated into an equation that is something like 4/5 + 3/x = 1/2 
we cannot have x equal to zero because the number can be infinite. 
So the LCD here is 10x, so multiply both sides by that to get: 
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Subtract 5x and 30 from both sides: 
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8 0
3 years ago
PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!
aalyn [17]

Answer: C) Next year, 7 out of every 60 students will be taking music.

Step-by-step explanation:

A is wrong because it is an opinion which a table cannot prove.

B is wrong because it says "A representative sample of 60 students) while the answer incorrectly says 30.

C is correct because on the table it says 7 people are taking music and correctly identifies that it's out of 60 students.

D is incorrect for the same reason B is incorrect except this time it says 120.

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3 years ago
If 1000 square centimeters of material is available to make a box with a square base and an open top, find the largest possible
guapka [62]
<span>The area of the base is x^2> The height is h. Each side of the box has area xh. There are 4 sides of the box so the total surface area of the box is x^2+4xh and that is equal to 1000. Solve that equation for h: x^2+4xh = 1000 h = (1000-x^2)/4x so the Volume = x^2[(1000-x^2)/4x] Simplify and get V = 250x-x^3/4 The volume will be a maximum when its first derivative is 0. V' = 250-3/4x^2 Set to 0 and solve. x=18.26 Now plug into the volume function to find the maximum volume: V=250(18.26)-(18.26)^3/4 V= 4564.35 - 1522.10 =3042.25</span>
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3 years ago
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g100num [7]

Answer:4/21

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Sorry sorry I need to answer a question to ask one
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