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steposvetlana [31]

3 years ago

6

About 80% of the egg roolls sold in U.S. grocery stores are made in Houston, Texas. A skilled wrapper can make 4,000 egg rolls i

n an 8-hour day. Bettie said this is about one egg roll a minute. Is her claim reasonable ? Explain

1 answer:

disa [49]3 years ago

5 0

8 hours = 8*60 min = 480 min.

T<span>here are 4,000 egg rolls per 480 minutes </span>

Bettie's claim is not reasonable.

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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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3 years ago

Find the equation of the axis of symmetry of the following parabola algebraically.<br> y=2x^2+16.

Inessa05 [86]

Answer:

x = 0

axis of symmbery = -b/2a or x vertex on quadratic equation

0/4=0

x=0

Step-by-step explanation:

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3 years ago

What does n = in 10=6+n/2

Pani-rosa [81]

Answer:

n = 8

Step-by-step explanation:

10=6+n/2

Switch sides

6 + n/2 = 10

Subtract 6 from both sides

6 + n/2 -6 = 10-6

Simplify

n/2 = 4

Multiply both sides by 2

2n/2 = 4 times 2

n = 8

Hope this helps!

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