Which function passes through the points (2, 15) and (3, 26)?

1 answer:

8 0

Plug in the x values in each equation and see for which the equation is true
I say B. Next time try figuring it out for yourself.

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zmey [24]

That's very sweet!!! Thank you for being so positive!

5 0

3 years ago

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What is the exact value of cos(-60°)?

Afina-wow [57]

Answer: 1/2

Step-by-step explanation:

cosine=adjacent/hypotenuse

Cos (-60)=1/2

This is a special triangle

see below as the ratio of each side

Hope this helps!! :)

Please let me know if you have any question

4 0

3 years ago

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The American Academy of Periodontology released a survey, revealing that 27% of US adults admit they lie to their dentist about

AnnZ [28]

Answer:

Null Hypothesis, $H_0$ : p = 0.27

Alternate Hypothesis, $H_A$ : p > 0.27

Step-by-step explanation:

We are given that the American Academy of Period ontology released a survey, revealing that 27% of US adults admit they lie to their dentist about how often they floss their teeth.

Periodontist Dr. Garcia believes that the percentage seems low, so he decides to conduct his own hypothesis test to determine the true proportion.

Let p = % of US adults who admit they lie to their dentist about how often they floss their teeth

So, Null Hypothesis, $H_0$ : p = 0.27

Alternate Hypothesis, $H_A$ : p > 0.27

Here, null hypothesis states that the % of US adults who admit that they lie to their dentist about how often they floss their teeth is equal to 27%.

On the other hand, alternate hypothesis states that the % of US adults who admit that they lie to their dentist about how often they floss their teeth seems low and is more than 27%.

Also, the test statistics that would be used for conducting this hypothesis test will be One-sample z proportion statistics.

7 0

3 years ago

A bicycle is $199.99 and it is marked 5% off. What is the sale price of the bicycle?

vagabundo [1.1K]

Thus, a product that normally costs $199 with a 5 percent discount will cost you $189.05, and you saved $9.95.

You can also calculate how much you save by simply moving the period in 05.00 percent two spaces to the left, and then multiply the result by $199 as follows: $199 x .05 = $9.95 savings.

Furthermore, you can get the final price by simply deducting .05 from 1 and multiplying it by $199 as follows: (1 - .05) x $199 = $189.05 final price. 

If something costs $199 and is on sale for 5% off, then how much would it cost? Here we will show you how to calculate how much you save (discount) and how much you have to pay if something you want to buy is regularly $199, but is currently on sale for 5 percent off.

$199
SALE
5% OFF
There are many ways of calculating your discount and final purchase price. One way is to multiply 199 dollars by 5 percent, and then divide the answer by one hundred, then deduct that result from the original price. See illustration below:

+ Purchase Price = $199
- Discount (199 x 5)/100 = $9.95
= Final Price 199 - 9.95 = $189.05

Hope this helps you! <3

4 0

4 years ago

Tia wants to hang a big letter T on the door of her bedroom. She plans to cut the T from cardboard and then paint it red. The di

Colt1911 [192]

Answer: The total area Tia need to paint if she paints only one side of the letter= $176\ cm^2$ .