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Anastaziya [24]
3 years ago
15

HELPP!!!1 Two angles are complementary. One angle is 47 degrees. What is the measure of the other angle?

Mathematics
2 answers:
Genrish500 [490]3 years ago
7 0

Answer:

The answer is 133

Step-by-step explanation:

Complementary angles add up to 180 degrees.

zzz [600]3 years ago
5 0

Answer:

43°

Step-by-step explanation:

Complementary angles add up to 90° in measurement.

One angle is 47 degrees.

90-47=\boxed{43}

The measurement of the other angle would be 43°.

Hope this helps.

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Where are the fractions?

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A publisher reports that 344% of their readers own a particular make of car. A marketing executive wants to test the claim that
inysia [295]

Answer:

No, there is not enough evidence at the 0.02 level to support the executive's claim.

Step-by-step explanation:

We are given that a publisher reports that 34% of their readers own a particular make of car. A random sample of 220 found that 30% of the readers owned a particular make of car.

And, a marketing executive wants to test the claim that the percentage is actually different from the reported percentage, i.e;

Null Hypothesis, H_0 : p = 0.34 {means that the percentage of readers who own a particular make of car is same as reported 34%}

Alternate Hypothesis, H_1 : p \neq 0.34 {means that the percentage of readers who own a particular make of car is different from the reported 34%}

The test statistics we will use here is;

                T.S. = \frac{\hat p -p}{\sqrt{\frac{\hat p(1- \hat p)}{n} } } ~ N(0,1)

where, p = actual % of readers who own a particular make of car = 0.34

            \hat p = percentage of readers who own a particular make of car in a

                  sample of 220 = 0.30

            n = sample size = 220

So, Test statistics = \frac{0.30 -0.34}{\sqrt{\frac{0.30(1- 0.30)}{220} } }

                             = -1.30

Now, at 0.02 significance level, the z table gives critical value of -2.3263 to 2.3263. Since our test statistics lie in the range of critical values which means it doesn't lie in the rejection region, so we have insufficient evidence to reject null hypothesis.

Therefore, we conclude that the actual percentage of readers who own a particular make of car is same as reported percentage and the executive's claim that it is different is not supported.

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2 years ago
Below are the data collected from to random samples of 100 members of a large travel club regarding the type of vacation they pr
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6 0
3 years ago
Can someone please tell me how to factorise 5x squared takeaway 80y squared
GuDViN [60]
80y² - 5x²

Factorise

5(16y²-x²)

hope this helps

divide out any similar things, in this case, it is 5

put it outside the parenthesis, and leave the leftover inside the parenthesis

hope this helps
5 0
3 years ago
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