3 years ago

What is the slope of the line that is perpendicular to the given line x-2y=10?

1 answer:

7 0

Not sure how to do it in this form but in slope intercept form for example if the slope was -4/3 the perpendicular would be 3/4 it’s the negative reciprocal of the answer

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victoria and gabriela walked to the store at 11:00 am. it took 75 minutes to get to the store. what time dis they arrive at the

ad-work [718]

Answer:

12:15pm

Step-by-step explanation:

1hr=60mins

1hr +15mins= 75 minutes

11:00am + 60mins (1hr)= 12pm

12pm + 15mins= 12:15pm

Hope this helps!

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3 years ago

Solve the system of equations 2 + 2y = -20 and x + 3y = -27 by combining the<br> equations.

AlexFokin [52]

Answer:

no estoy segura como se debe responder

1 (x + 2y = -20) ----> x*2y= -20

-1 (x + 3y = -27) ----> x-3y= 27

(0) x + (-1) y = 7

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3 years ago

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Jobisdone [24]

Answer: 136

Step-by-step explanation:

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3 years ago

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Some descriptive statistics for a Set of test scores are shown above for this test a certain student has a standardized score of

Serggg [28]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The score of the student is x = 779.42

Step-by-step explanation:

Generally we can mathematically represent the z-score as

$z = \frac{x - Mean}{ stDev}$

Here x is the score of the student

substituting 1045.7 for the Mean, 221.9 for the stDev and -1.2 for z we have

$-1.2 = \frac{x - 1045.7 }{ 221.9}$

=> $-266.28 = x -1045.7$

=> x = -266.28 + 1045.7

=> x = 779.42

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3 years ago

Find the sum<br> 1/7 + 2/5

AlladinOne [14]

Answer:

Step-by-step explanation:

To add efficiently, you would need to have a common denominator. in this case the least common denominator (LCD) would be 35. 1/7 = 5/35 and 2/5 = 14/35

add the numerators together to get your answer:

19/35

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2 years ago

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