3 years ago

HELPP PEASE THIS IS DUE VERY VERY SOON ILL PICK BRAINLEST

Mathematics

1 answer:

Nadya [2.5K]3 years ago

5 0

Answer:

Step-by-step explanation:

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If x > 0, which of the following is positive? <br> 1. -x<br> 2. x^2<br> 3. (-x)^3<br> 4. 1/-x

lapo4ka [179]

Answer:

$x^2$

Step-by-step explanation:

$x > 0~\text{means that x is positive number.}$

$\text{Square of both negative and positive numbers are always positive.}\\\\\text{So,}~ x^2~\textbf{is positive.}$

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2 years ago

A scale model of a building has a height of 1/5 meter. The scale of the model is 1cm=0.5m. What is the height of the building?

Elenna [48]

Answer:

2000 meters

Step-by-step explanation:

first you have to convert the meters into centimeters so then 1cm=100 cm

1/5 meter=20 cm

20*100=2000

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3 years ago

Simplify this expression. 8+3(60/5)

ddd [48]

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3 years ago

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