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WINSTONCH [101]
3 years ago
11

my sister wants to watch 6 star wars movies ,if each movie. is 2 hours , how long will it take her to watch all of the movies?

Mathematics
2 answers:
poizon [28]3 years ago
4 0
12 hours, 6 x 2 = 12.
Llana [10]3 years ago
4 0
It should take her 12 hours, but movies are not exactly 2 hours. It could take her longer, but 12 hours is an estimated answer.
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Step-by-step explanation:

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2 years ago
In the xy-plane, the line x + y=k, where k is a constant, is tangent to the graph of y=x^2+3x+1. What is the value of k?
Talja [164]
Slope of tangent line = dy/dx = 2x+3
k is y_intercept of tangent line

2x+3 = -1
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2 years ago
Given the function defined in the table below, find the average rate of
AURORKA [14]

Answer:

Average rate of change = \frac{2}{5}

Step-by-step explanation:

Average rate of change of a function 'f' in the interval a ≤ x ≤ b is given by,

Average rate of change = \frac{f(b)-f(a)}{b-a}

We have to find the average rate of change in the interval 20 ≤ x ≤ 65

From the table attached,

f(65) = 32

f(20) = 14

Average rate of change = \frac{32-14}{65-20}

                                        = \frac{18}{45}

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7 0
3 years ago
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Neporo4naja [7]

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3 0
2 years ago
PLS Help me Error Analysis
Maksim231197 [3]

we have

<u>Pieces of mail delivered in December by the US postal service</u>

7.14*10^{10}

<u>Pieces of mail delivered in January by the US postal service</u>

3.21*10^{10}

To find the total mail delivered for these two months, sum the two quantities

so

7.14*10^{10}+3.21*10^{10}=(7.14+3.21)*10^{10}\\=10.35*10^{10} \\=(1.035*10)*10^{10} \\=1.035*(10* 10^{10})\\=1.035*10^{(10+1)} \\= 1.035*10^{11}

therefore

the correct solution is 1.035*10^{11}

the error is in this part

10.35*10^{10}

To move decimal over one place 10 to the power of 10 should be 10 to the power of 11

1.035*10^{10}

3 0
3 years ago
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