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timama [110]
3 years ago
7

Xavier and Bobby each receive a salary check every week. They combine their checks in one account. After 1 week, the balance in

their account is $50. After 2 weeks, the balance in their account is $100. Which line, on the coordinate grid, correctly shows the amount of money Xavier and Bobby have combined as it changes over time? Line A Line B Line C
Mathematics
1 answer:
Radda [10]3 years ago
7 0

Answer: It goes from 0 Plus 50 in the first week then the second week another 50 is added to the fifty dollars Xavier and Bobby had the previous week to get a hundred dollars after two weeks.

Step-by-step explanation:

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The picture frame has a perimeter of 100 inches. The width is 22 inches. Calculate the missing length. Use that answer to find t
ivanzaharov [21]

Answer:

39 inches.

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Step-by-step explanation:

Length:- (if length = x)

2 ( 11 + x ) = 100

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x = 78 ÷ 2

x = 39 inches

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3 years ago
The mean speed of vehicles along a stretch of highway is 56 mph with a standard deviation of 4 mph. You
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The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

<h3>Z score</h3>

Z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

z=\frac{x-\mu}{\sigma }

Where x is raw score, μ is mean, σ is standard deviation

Given that:

σ = 4, μ = 56, hence

for x = 62:

z=\frac{62-56}{4 } =1.5

for x = 47:

z=\frac{47-56}{4 } =-2.25

for x = 56:

z=\frac{56-56}{4 } =0

The corresponding z score for speed of 62 mph, 47 mph, and 56 mph is 1.5, -2.25 and 0 respectively.

Find out more on Z score at: brainly.com/question/25638875

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Answer:

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