2 years ago

Aubrey tried to prove that sin(θ)=cos(180°−θ) using the following diagram. Her proof is not correct.

Mathematics

1 answer:

alexira [117]2 years ago

4 0

Answer:

Angles ∠B and ∠C are complementary, not supplementary.

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Answer:

Step-by-step explanation:

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3 years ago

Which sampling method is MOST appropriate in estimating the average number of votes for each candidate in an election across a c

kaheart [24]

Answer:

B. Stratified sampling, because there are specific subgroups to investigate.

Step-by-step explanation:

Stratified Sampling is a sampling method and is used when the population has subgroups with different characteristics. Random sampling is applied in each of the sub-groups <em>proportional </em>to their size and then these samples <em>combined </em>together to create sample of the study.

Since there are three towns with people from different occupations ( retirees,business owners, office workers), it is better to use stratified sampling method.

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2 years ago

How to convert 1,025 to expanded notation?

xxTIMURxx [149]

Answer:

1025 = 1000 x 1 + 100 x 0 + 10 x 2 + 5

Step-by-step explanation:

1025 = 1000 x 1 + 100 x 0 + 10 x 2 + 5

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3 years ago

In the figure below, FH= 14 and GH=6. Find FG.

Katyanochek1 [597]

Answer:

Let's see what to do buddy....

Step-by-step explanation:

_________________________________

FG = FH + HG ----¢ FG = 14 + 6 = 20

FG = 20

And we're done.

Thanks for watching buddy good luck.

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2 years ago

Solve by factoring or finding square roots x^2-18x-40=0

irina1246 [14]

Answer:

Step-by-step explanation:

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2 years ago

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