3 years ago

− 0.25(−8+12) PLS HELP I HAVE A TESTTTT

Mathematics

1 answer:

Semmy [17]3 years ago

3 0

Answer: -1

Step-by-step explanation:

− 0.25(−8+12) = -0.25 x 4 =-1

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In 2000 there were approximately 27 million people 18-24 years old in the United States.

Semmy [17]

I don’t know why I never think there’s that many people

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3 years ago

How do the two interger chip models show that -9-(-4) is the same as -9+4?

natali 33 [55]

Answer:

Two negatives together get a positive

Step-by-step explanation:

-9-(-4)

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3 years ago

I don't understand???? I'll give the brainliest!!!!!

olasank [31]

Answer:

Option A is the correct option.

Step-by-step explanation:

${a}^{2} + {b}^{2} - 2ab \: \cos \: c \: = {c}^{2} \\ a = 4 \\ b = 5 \\ c = 2 \\ \\ 2ab \: cos \: c = {a}^{2} + {b}^{2} - {c}^{2} \\ \: \: \: \: \: \: \: \: = {(4)}^{2} + {(5)}^{2} - {(2)}^{2} \\ \: \: \: \: \: \: \: \: = 16 + 25 - 4 \\ \: \: \: \: \: \: = 41 - 4 \\ \: \: \: \: \: \: = 37$