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3 years ago

MA = (4x - 2) and mzB = (11x + 17)°. Find x if the angles are

Mathematics

2 answers:

snow_tiger [21]3 years ago

6 0

Yeah it’s A I just did this

charle [14.2K]3 years ago

3 0

The answer is a.) 165 sorry if that’s wrong but i hope it’s right

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What are the domain and range of the function

atroni [7]

Answer:

Domain (-∞,∞)

Range (0, ∞)

Step-by-step explanation:

The domain of a function is always the set of all real numbers therefore the domain is going to be (-∞,∞). The range is (0, ∞) because 0 is one of the outputs for the function

3 0

3 years ago

A computer manufacturing company has sent a mail survey to 2,800 of its randomly selected customers that have purchased a new la

vodka [1.7K]

Answer:

The 96% confidence interval for the population proportion of customers satisfied with their new computer is (0.77, 0.83).

Step-by-step explanation:

We have to calculate a 96% confidence interval for the proportion.

We consider the sample size to be the customers that responded the survey (n=800), as we can not assume the answer for the ones that did not answer.

The sample proportion is p=0.8.

$p=X/n=640/800=0.8$

The standard error of the proportion is:

$\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.8*0.2}{800}}\\\\\\ \sigma_p=\sqrt{0.0002}=0.014$

The critical z-value for a 96% confidence interval is z=2.054.

The margin of error (MOE) can be calculated as:

$MOE=z\cdot \sigma_p=2.054 \cdot 0.014=0.03$

Then, the lower and upper bounds of the confidence interval are:

$LL=p-z \cdot \sigma_p = 0.8-0.03=0.77\\\\UL=p+z \cdot \sigma_p = 0.8+0.03=0.83$

The 96% confidence interval for the population proportion is (0.77, 0.83).

4 0

3 years ago

What property describes the number sentence 6+0=6

Alenkinab [10]

<span>This is an example of the additive identity property. According to the additive identity property, when you add zero to any number, it stays the same and retains its identity. It can be written as a + 0 = a = 0 + a.</span>

6 0

4 years ago

PLEASE HELP ASAP

Alenkinab [10]

The type of polygon is parallelogram and area of the polygon is 8 units

5 0

3 years ago

Keith asked 30 people whether they knew how to play whist or dominoes. Fifteen of them knoew how to play whist and 20 knew how t

adelina 88 [10]

Ok so, 15 of them know how to play whist (I have no idea what that is) and 20 of them know how to play dominoes, 5 of them do not. So, if you add up 20+15=35, take off 10 35-10=25 so it must mean that 10 is the answer. (Also if you add 5 to that 25+5=30)
The Answer is 10

7 0

4 years ago