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Burka [1]
2 years ago
12

Did I get this right? If I did t could someone explain it to me

Mathematics
2 answers:
gregori [183]2 years ago
8 0
You are correct, by using vertical line test, all these are functions except graph b because there is more than one y output to one x input.
Kisachek [45]2 years ago
3 0

Answer:

Yes, you are correct.

Step-by-step explanation:

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Which expression represents the ratio of the difference of the two means to Sidney's mean absolute deviation
prohojiy [21]

Answer:

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

Step-by-step explanation:

P.S - The exact question is -

Given - The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below.

                                       Sidney’s Grades           Phil’s Grades

Mean                                     82                                    78

Mean Absolute Deviation      3.28                                 3.96

To find - Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?

Proof -

Given that Mean of Sidney Grades = 82

                 Mean of Phil's   Grades = 78

So,

The difference of two means = 82 - 78 = 4

Also,

Given, Mean Absolute Deviation of Sydney = 3.28

Now,

The ratio of the difference of the two means to Sidney's mean absolute deviation = \frac{4}{3.28} = 1.2195

4 0
3 years ago
Evaluate the function
Sedaia [141]

f(0) =  {4}^{3 \times 0  + 3}  =  {4}^{0 + 3}  =  {4}^{3}  = 64
The answer is above.
Additional note 1:
{4}^{3}  = 4 \times 4 \times 4 = 16 \times 4 = 64
Additional note 2:
In the answer I filled in "0" at the place where "n" was. This is because the question tells us n=0
4 0
2 years ago
Expand and simplify 9 (x-y)^2-9(x+y)(x-y)
yuradex [85]

To simplify the problem it would be: -18xy+18y^2

5 0
2 years ago
Hurry please !! It’s timed...
ollegr [7]
The links don’t work.
6 0
2 years ago
Convert to factored form <br> y = x² + 6x
steposvetlana [31]

<em><u>Convert to factored form is:</u></em>

y = x(x + 6)

<em><u>Solution:</u></em>

Given that,

y = x^2 + 6x

We have to convert to factored form

Factored form means writing terms in multiplication. i.e as a product

From given,

y = x^2 + 6x

Factor out x from above given expression

y = x(x + 6)

Here, the given equation is written as product of "x" and (x + 6)

Thus the factored form is found

8 0
3 years ago
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