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3 years ago

Simplify the expression: -l-4 l

1 answer:

7 0

The | | means absolute value

So, any negative or positive number in absolute value will ALWAYS come out positive.

|-4| = 4

But that's only half the question.

- |-4| = - (4) = -4

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Which triangle is a 30°-60°-90° triangle?

Talja [164]

Answer:

the first one

Step-by-step explanation:

Hey There!

Look at the image for the rule of a 30- 60 - 90 triangle

x = 5

the hypotenuse would be x2 so 10

the longer leg would be x $\sqrt{3}$

So the first triangle is the right answer

5 0

3 years ago

I NEED HELP PLEASE, THANKS

castortr0y [4]

First, find the scale factor.

8.4 / 7 = 1.2

9 / 7.5 = 1.2

7.2 / 6 = 1.2

Since both solids are different sizes, the solids aren't congruent.

The size ratio for all the sides are:

8.4:7

9:7.5

7.2:6

Since the scale factor isn't 1:1 this also proves that the solids are NOT congruent.

Since both solids are the same kind of shape and have an identical scale factor, the solids are similar.

Best of Luck!

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3 years ago

Witch set of numbers could represent the side lengths of a right triangle

EastWind [94]

C. 6,9,12 I hope this helps! :)

8 0

3 years ago

What is the quotient of (2x3 – 29x + 13) ÷ (x + 4)?

sleet_krkn [62]

9514 1404 393

Answer:

C. 2x^2 -8x +3 +1/(x +4)

Step-by-step explanation:

Synthetic division is useful for finding the quotient. Or, you can use polynomial long division. The result is the same, but synthetic division requires less writing.

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3 years ago

How much would a 2 ton truck weigh on the moon? divide by 6

dusya [7]

Answer:

Step-by-step explanation:

how much would a 2 ton truck weigh on the moon? divide by 6 because 2x3=6 and the moon has low gravity so its is diffrent from earths gravity

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3 years ago

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