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geniusboy [140]
2 years ago
12

Yohan Blake ran the 100-meter race in the 2012 Olympics in 9.75 seconds. Compare the speeds if he ran the 200-meter race in 19.5

seconds.

Mathematics
2 answers:
lakkis [162]2 years ago
8 0

Sorry for the late response :<

Answer:

The unit rates would be comparable for both races. So, his speed is going to be the same for both races.

<3

Step2247 [10]2 years ago
6 0

Answer:

This person gave the correct answer

Step-by-step explanation:

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Can someone please explain how to do these?
Pani-rosa [81]

Answer:

<u>First question answer:</u> The limit is 69

<u>Second question answer:</u> The limit is 5


Step-by-step explanation:

For the first limit, plug in x=8 in the expression (9x-3), that's the answer for linear equations and limits.

So we have:

9x-3\\9(8)-3\\72-3\\69

The answer is 69


For the second limit, if we do same thing as the first, we will get division by 0. Also indeterminate form, 0 divided by 0. Thus we would think that the limit does not exist. But if we do some algebra, we can easily simplify it and thus plug in the value x=1 into the simplified expression to get the correct answer. Shown below:

\frac{x^2+8x-9}{x^2-1}\\\frac{(x+9)(x-1)}{(x-1)(x+1)}\\\frac{x+9}{x+1}

<em>Now putting 1 in x gives us the limit:</em>

\frac{x+9}{x+1}\\\frac{1+9}{1+1}=\frac{10}{2}=5

So the answer is 5

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Alja [10]
The answer is D, 4/3 x 3.14 x 2^3
6 0
2 years ago
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Determine which side is the smallest in the diagram
AnnyKZ [126]

the shortest side is always opposite the smallest angle.

In triangle ABC the shortest side is AC

In triangle ADC  the shortest side is DC

DC<AC since they are in the same triangle.

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3 years ago
I will mark you brainiest if you can answer this
Vikentia [17]
7 will never equal 8 so there is no solution. so i think it is C
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2 years ago
Hi, please help me with this math problem, I need to submit rly quick, thx.
Artemon [7]

Answer:

I think its B.

Step-by-step explanation:

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