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ruslelena [56]
3 years ago
6

S = ut + 12 at? u= 10 a = -2 t = Work out the value of s.

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0
S = (10 x1 /2) + (1/2x- 2x 1/2²)
5 + (-0.25)
= 4.75
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6 0
3 years ago
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7 0
3 years ago
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

3 0
3 years ago
Yay! tysm guys for helping me on this test! i got a 85! :)
irakobra [83]

Answer:

Proud of you!! <3 :)

Step-by-step explanation:

8 0
2 years ago
What part of 3 1/2 is 1/2?
Greeley [361]

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the 1/2 part of it is 1/2

Step-by-step explanation:

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