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Anna [14]
3 years ago
6

Spencer and his sister watched a cartoon movie that was 1 hour and 20 minutes long. After the movie, they played a card game for

20 minutes and then played soccer for 2 hours and 55 minutes. When they came in from playing soccer, it was 7:25 P.M. What time did Spencer and his sister start watching the movie? Please include PM or AM in your answer.
Mathematics
1 answer:
liberstina [14]3 years ago
4 0

Answer:

10:45 - they started watching the film at this time

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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It you have 6 negative tiles and add 3 positive tiles, the  3 negative tiles cancel 3 positive tiles. So hat is left is 3 negative tiles

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The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard devi
son4ous [18]

Answer:

Step-by-step explanation:

Since the length of time taken on the SAT for a group of students is normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - u)/s

Where

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u = mean time

s = standard deviation

From the information given,

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s = 0.25 hours

We want to find the probability that the sample mean is between two hours and three hours.. It is expressed as

P(2 lesser than or equal to x lesser than or equal to 3)

For x = 2,

z = (2 - 2.5)/0.25 = - 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.02275

For x = 3,

z = (3 - 2.5)/0.25 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.97725

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= 0.97725 - 0.02275 = 0.9545

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3 years ago
What is the slope of a horizontal line?
Misha Larkins [42]

Answer:

Slope of a horizontal line. When two points have the same y-value, it means they lie on a horizontal line. The slope of such a line is 0, and you will also find this by using the slope formula.

8 0
3 years ago
Seven less than twice a number is 5
marin [14]
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G(-3)= 3(-3)+4

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7 0
3 years ago
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