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3 years ago

Distance between (-6, 7) and (-6, -3).

Mathematics

1 answer:

yawa3891 [41]3 years ago

7 0

Answer:

Step-by-step explanation:

plug in the distance formula

(-6+6)^2+(-3-7)^2

(0)^2+(-10)^2

100

*square root of 100*

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3, 9, 15, ...<br> Find the 45th term.

Lelechka [254]

First the nth term which is 6n-3
So 6x45-3 is your answer

8 0

3 years ago

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WILL MARK BRAINLIEST AND GIVE 100 POINTS! WILL REPORT IF INCORRECT

grigory [225]

please refer to this image

please don't report this answer if it is wrong

but if its correct so please mark me as brainlist

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3 years ago

Since the Boston marathon began in 1897, the finish time has been incrementally decreasing. The mean finish time to date is 231

morpeh [17]

Answer:

hello your question lacks the required options but i will provide a general answer to your question

answer : The mean value and the standard deviation would allow us use a Z-score

Step-by-step explanation:

mean value = 231 minutes

standard deviation ( std ) = 40 minutes

sample size = 40

The parameters that would be applicable while use Z-score are : The given mean value and the standard deviation

This is because the value of a z-score gives us an information on how far we are from the mean score i.e. number of standard deviations

+Zscore means that the score is above the average value

-Zscore means that the score is below the average value

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3 years ago

What is the solution to the system of equations y= -3x+6 and y =9

Lilit [14]

Plug the value of 9 in for y
9=-3x+6

Subtract 6 from both sides
3=-3x

Divide both sides by -3
-1=x

Final answer: x=–1

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3 years ago

You have a mean score of 84 after taking five 100-point tests. What do you need to score on the sixth 100-point test to have a m

kap26 [50]

The mean of n numbers is the sum of the numbers divided by n.

You have a mean score of 84 after taking 5 tests. Let x be the sum of scores.
$\frac{x}{5}=84 \\
x=84 \times 5 \\
x=420$
You scored a total of 420 points on five tests.

You need to have a mean score of 85 after taking 6 tests. Let y be the score you need to obtain. Your total score on 6 tests is 420+y.
$\frac{420+y}{6}=85 \\
420+y=85 \times 6 \\
420+y=510 \\
y=510-420 \\
y=90$

You need to score 90 points on the sixth test.

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3 years ago

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