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3 years ago

(5•-3) - (4•-3) + -3 - (3•-3)

1 answer:

4 0

Use PEMDAS.

Parenthesis first.

(-15)-(-12)+3-(-9)

Next multiply,

(-15)+12+3+9 (two negatives get you a positive)

Finally, add and subtract:
-15+24=9

You get 9 as your answer.

Hope this helps!

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2 years ago

Which number is not written in scientific notation

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Answer:

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Answer:

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Step-by-step explanation:

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3 years ago

Help with a math problem

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2 years ago

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Which relationship is always true for the angles x, y, and z of triangle ABC? A triangle is shown with a leg extending past the

nlexa [21]

Answer:

y+z=x

Step-by-step explanation:

we know that

The <u>Exterior Angle Property of a Triangle</u> states that the measure of exterior angle of a triangle is equals to the sum of measures of its interior opposite angles

In this problem

Angle y and angle z are interior angles of triangle ABC and angle x is a exterior angle of triangle ABC

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2 years ago