3 years ago

Why is it important to know whether a number is positive or negative

1 answer:

6 0

its good to know if a number is positive or negative because something as simple as forgetting the signs such as - + could drastically change your answer

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751,486 write the valid of the digit 5

Rudiy27

The answser is ten thosand

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4 years ago

Find the surface area of the regular pyramid. Write your answer as a decimal.

maksim [4K]

Answer: 205

Step-by-step explanation: 15 x 13 = 195 195 + 10 = 205

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3 years ago

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Addison worked 11 more hours this week than last week. In total, she worked 65 hours this week and last week. Using the equation

Anestetic [448]

Answer:

27 hours

Step-by-step explanation:

Just do the reverse. 65-11 = 54. 54 / 2 = 27.

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3 years ago

Plz answe it is worth 10 points thx

vova2212 [387]

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Step-by-step explanation:

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3 years ago

If y = 2x2 – 4x, what is the value of y when x equals 5. A.10 B.30 C.80 D.480

Ainat [17]

Answer:

The value of y in the given equation is B. 30.

Step-by-step explanation:

y = 2x² - 4x x = 5

y = 2(5)² - 4(5) Plug 5 in for x

y = 2(25) - 20 Square 5 and multiply 4 by 5

y = 50 - 20 Multiply 2 by 25

y = 30

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3 years ago