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VashaNatasha [74]
3 years ago
6

Which expression finds the measure of an angle that is coternal with a 45° angle?

Mathematics
1 answer:
Serhud [2]3 years ago
7 0

Answer:

-315

Step-by-step explanation:

same terminal side

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HELP P L E A S E ! !
alex41 [277]

Answer:

A is true but I dont know the rest I am very sorry   .-.

Step-by-step explanation:

I Just added 18 + 12 = 30 + 10 = 40 and that is why A is true

3 0
3 years ago
benny bought 8 new basketball trading cards to add to his collection. There are now only 44 cards left.How many cards did benny
Mashcka [7]
<span>So the equation: (x+8) divided by 2 =24</span>
5 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
I need help is due in 15 minute he’ll pls
aleksley [76]

Answer:

3x - 2 = 4(2x-8)

3x- 2 = 8x- 32

3x-8x = -32+2

-5x = -30

x = -30/-5

x = 6

7 0
3 years ago
What is the selling price if the cost is $22.00 and the markup is $6.80
neonofarm [45]
Just simply add

22+6.80= 28.80

So now the selling price is $28.80
7 0
3 years ago
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