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3 years ago

Does 9,12,15 form a right triangle

Mathematics

1 answer:

wolverine [178]3 years ago

3 0

Answer:

Yes.

Step-by-step explanation:

Note that 15^2 = 122^ + 9^2 ( 225 = 144 + 81 = 225).

So by the Inverse of Pythagoras Theorem it is a right triangle.

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Which equation represents this sentence?

SOVA2 [1]

Answer:

n + 6 = 3n

Step-by-step explanation:

n + 6 = 3n

6 = 3n -n

6 = 2n

n = 3

6 0

3 years ago

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Tcecarenko [31]

Answer: Assuming the plumber will round up the hours, the answer is 335.

Step-by-step explanation:

You can use this equasion to solve the problem: 75+52x=c

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Basically, you can just multiply the hourly cost by the hours he works and then add the service fee. Hope this helped!

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3 years ago

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Mashutka [201]

The answer is D 6z+42

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3 years ago

Arianna earns a weekly salary of $400 plus a 6.5% commission on sales at a gift shop. How much would she make in a workweek if s

lilavasa [31]

Answer:

712

Step-by-step explanation:

400+6.5%of 4800

312+400=712

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3 years ago

A __________ is a graphical summary of data previously summarized in a frequency distribution. a. box plot b. histogram c. scatt

OLga [1]

Answer: b. histogram

Step-by-step explanation:

A histogram is a graphical summary of data previously summarized in a frequency distribution. It is an accurate representation of the distribution of numerical data, the height of each bar shows how many fall into each range(the frequency of each range). Data from a frequency distribution table can be easily summarised graphically on a histogram.

An example of histogram is shown in the attachment

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3 years ago