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3 years ago

Determine whether the function graphed models a proportional relationship. Explain.

Mathematics

1 answer:

Gwar [14]3 years ago

7 0

Answer:

Yes there is a constant rate of change of 1/3.

Step-by-step explanation:

The slope stays the same the whole time therefore the ratio does not change, so it is proportional.

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Find the simplified product sqrt 2x^3 sqrt 18x^5

KatRina [158]

The first step to solving this is to remember the radical rules. They state that the product of roots that have the same index are equal to the root of the product. Knowing this,, the expression changes to the following:
$\sqrt{2 x^{3} X 18 x^{5} }$
Next you'll add the two exponents together and then calculate the product.
$\sqrt{36 x^{8} }$
Lastly,, calculate the square root to find your answer.
6 $x^{4}$
This means that the correct answer to your question will be 6 $x^{4}$ .
Let me know if you have any further questions
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4 0

3 years ago

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Find the sum of (2x-5y) and (x+y)

Alja [10]

Answer: 2x-5y+x+y

3x-4y

Step-by-step explanation: combinded like terms

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3 years ago

A major home improvement store conducted its biggest brand recognition campaign in the company's history. A series of new televi

mestny [16]

Answer:

Step-by-step explanation:

We would set up the hypothesis test.

For the null hypothesis,

P = 0.22

For the alternative hypothesis,

P < 0.22

This is a left tailed test

Considering the population proportion, probability of success, p = 0.22

q = probability of failure = 1 - p

q = 1 - 0.22 = 0.78

Considering the sample,

Sample proportion, p = x/n

Where

x = number of success = 230

n = number of samples = 1189

p = 230/1189 = 0.19

We would determine the test statistic which is the z score

z = (p - P)/√pq/n

z = (0.19 - 0.22)/√(0.22 × 0.78)/1189 = - 2.5

Recall, population proportion, p = 0.22

We want the area to the left of 0.22 since the alternative hypothesis is lesser than 0.22. Therefore, from the normal distribution table, the probability of getting a proportion < 0.22 is 0.00621

So p value = 0.00621

Since alpha, 0.01 > than the p value, 0.00621, then we would reject the null hypothesis.

Referring to the above, the null hypothesis will be rejected if the test statistic is - 2.5

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4 years ago

A textbook costs $65.49 before tax. The tax on the textbook is 6.5%. What is the total cost of the textbook? Round your answer t

777dan777 [17]

65.49+6.5%= $69.74 which rounds too $70.74

5 0

4 years ago

PLEASEEEE HELPPP!!

Rina8888 [55]

Answer:

3. Distributive

Step-by-step explanation:

In the equation 3(x - 2y) if you distribute the 3 to the x and the -2 you would get 3x-6y.

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3 years ago