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fenix001 [56]
3 years ago
15

Prompt:

Mathematics
2 answers:
Roman55 [17]3 years ago
8 0

Answer:

I got this answer from the answer above but put it into my own words...

Sasha is incorrect. She concluded that the object hit the ground at -1.71 seconds, when that is impossible because there is no way an object can hit the ground in negative seconds. What she could have done was used the quadratic formula because it works for every problem, but it does take more time than any other problem.

Vadim26 [7]3 years ago
4 0

Answer:

Her answer is wrong because she the object cannot hit the ground at negative seconds. She could’ve have used other methods because she used the quadratic formula. The advantages is that it works for every situation. The disadvantages is that it takes longer. She should’ve used a different method.

Step-by-step explanation:

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ad-work [718]
The question is ambiguous.

A is right if the second hour is in terms of the original amount (16 grams). That is not how it should be done, but there is nothing in the problem restricting us from doing it that way.

B is right the way most people would do the problem. I would say you should accept this as the right answer. The 4.5% is taken away from what was left after the first hour. I would do it that way left to my own devices.

C. The % conversions are not correct. Those conversions are 35% and 45%
C is not even in contention for being right.

D Same problem as C
6 0
3 years ago
Y=-3x+6 and y=5x-2 for y
andriy [413]

Answer:

The first one is x=2 and the second one is x=2/5 or 0.4

Step-by-step explanation:

4 0
3 years ago
What is a volume of this composite solid?
Alisiya [41]

Shape a = 6 x 4 x 3 = 72

Shape b = 4 x 4 x 4 = 64

72 + 64 = 136

A

7 0
2 years ago
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Oksana_A [137]

Answer:

the first option

Step-by-step explanation:

8 0
2 years ago
Select the sentence that represents the equation below.
Alexeev081 [22]

Answer:

Eight less than four times a number is equal to two times the difference of double that same number decreased by three.

Step-by-step explanation:

The given equation is:

4x−8=2(2x−3)

We will try to translate the given equation in English.

We can see that the variable used is only one. On the left hand side of the equation 8 is being subtracted from 4 times of the variable and on the right hand side 3 is being subtracted from 2 times of variable and then being multiplied by two.

From the given option, correct answer is:

Eight less than four times a number is equal to two times the difference of double that same number decreased by three.

5 0
3 years ago
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