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3 years ago

What is the value of n in the proportion below?

Mathematics

2 answers:

Illusion [34]3 years ago

8 0

The answer would be 16

kow [346]3 years ago

3 0

The value of n in the proportion is 16. The answer is 16 because to find the difference you first take 28 and divide it by 7 which gives you 4. To check and make sure that 4 is right you would multiply 7 by 4 which gives you 28. You then would take 4 and multiply it by 4 since that is the difference. 4 times 4 gives you your answer of 16.

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What's the answer and how do I even do this

kkurt [141]

Answer: -1

Step-by-step explanation:

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2 years ago

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Answer correct you get brainliest answer

zloy xaker [14]

Answer:

$y = {x}^{2} - 2$

Or if you want with the value of h too.

$y = {(x - 0)}^{2} - 2$

Step-by-step explanation:

$y = a {(x - h)}^{2} + k$

Find the value of h and k by using the formula.

$h = - \frac{b}{2a} \\ k = \frac{4ac - {b}^{2} }{4a}$

From y = x²-2

$a = 1 \\ b = 0 \\ c = - 2$

Substitute these values in the formula.

$h = - \frac{0}{2(1)} \\ h = 0$

Therefore, h = 0.

$k = \frac{4(1)( - 2) - {0}^{2} }{4(1)} \\ k = \frac{ - 8}{4} \\ k = - 2$

Therefore, k = - 2.

From the vertex form, the vertex is at (h, k) = (0,-2). Substitute h = 0, a = 1 and k = -2 in the equation.

$y = a {(x - h)}^{2} + k \\ y = 1 {(x - 0)}^{2} - 2 \\ y = {(x)}^{2} - 2 \\ y = {x}^{2} - 2$

These type of equation where b = 0 can also be both standard and vertex form.

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3 years ago

What is the difference? complete the equation -5 - (-9)

BaLLatris [955]

Answer:

Answer is 4

Step-by-step explanation:

$5 - ( - 9) = - 5 + 9 \\ = 4$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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3 years ago

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Which of the following values for x and y make the equation 4x + 2y + 3 = 19 true?

Alex_Xolod [135]

The third one is correct so it would be C.

Just substitute X and Y into the question.

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4 years ago

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Hannah claims that people who live in southern states spend 9 hours more per week outside than do people in northern states. She

Aneli [31]

Answer: Hello your question is incomplete below is the missing part

Which of the following statements about Hannah’s claim is supported by the interval?

A) Hannah is likely to be incorrect because the difference in the sample means was 18.6−14.4=4.218.6−14.4=4.2 hours.

B) Hannah is likely to be incorrect because 9 is not contained in the interval.

C)The probability that Hannah is correct is 0.99 because 9 is not contained in the interval.

D)The probability that Hannah is correct is 0.01 because 9 is not contained in the interval.

E)Hannah is likely to be correct because the difference in the sample means (18.6−14.4=4.2)(18.6−14.4=4.2) is contained in the interval.

Answer : Hannah is likely to be incorrect because 9 is not contained in the interval. ( B )

Step-by-step explanation:

The statement that is supported by the interval in Hannah's claim is that

Hannah is likely to be incorrect because 9 is not contained in the interval.

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3 years ago