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QveST [7]
3 years ago
12

Please help me !! 20 POINTS.

Mathematics
2 answers:
vfiekz [6]3 years ago
7 0

Answer:

It is only 5 points, if it were 20 points, I would answer.

Ivenika [448]3 years ago
5 0

Answer:

699 + 329 = 1,028

1,028 × 3 = 3,084

Step-by-step explanation:

you add the prices together and and tha answer you get, you multiply by 3.

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What is the vertex of the function f (x) = x^2 + 16x?
Tju [1.3M]

f(x) = x^2 + 16x

Completing the square.

f(x) = a(x-h)^2 + k

f(x) = (x + 8)^2 - 64

h = -8, k = -64

Vertex = (h,k)

Vertex = (-8, -64)

Not fully explained, just a quick summary.

8 0
3 years ago
Mr. Li has 16 pencils. He gives 9 pencils top some students. How many pencils does Mr. Li have now?
PIT_PIT [208]
16 - 9 = 7
7 pencils.
5 0
3 years ago
Read 2 more answers
A political scientist wants to know how college students feel about the Social Security system. She obtains a list of the 3456 u
Marina CMI [18]

Answer:

For this case the population is described as:

All the college students

And the political have a list of 3456 undergraduates at her college for the sampling frame.

The sample would be the 104 students who return the survey.

Is important to notice that since he know the information about her college she can apply inference about the parameter of interest just at her college and not about all the possible students of college.

Step-by-step explanation:

For this case the population is described as:

All the college students

And the political have a list of 3456 undergraduates at her college for the sampling frame.

The sample would be the 104 students who return the survey.

Is important to notice that since he know the information about her college she can apply inference about the parameter of interest just at her college and not about all the possible students of college.

For this case we can also find the non reponse rate since we know that the total of questionnaires are 250 and she got back just 104 answered

Non-resp. = \frac{250-104}{250} = \frac{146}{250}= 0.584

So we have a non response rate of 58.4 %

4 0
3 years ago
Can you guys help me​
Fudgin [204]

Answer:

The answer is 76.

Step-by-step explanation:

≅ means to be equal to.

☆Angle DGE ≅ EGF.

Therefore, 3x + 8 = 5x - 12

☆Let's solve that equation.

3x  + 8 = 5x - 12 \\  \frac{ - 5x \:  \:  \:  \:  \:  \:  \:   =  - 5x  \:  \:   \:  \:   \: \:  \:  \: }{ - 2x + 8 =  - 12}  \\  \frac{  \:  \:  \:  \:  \:  \:  \:  \: - 8  =  - 8}{  \frac{ - 2x}{ - 2}  =  \frac{ - 20}{ - 2} }   \\ x = 10

We found the value of x which is 10.

☆Let's Now plug in.

DGE \\ 3x + 8 \\ 3(10) + 8 \\ 30 + 8 \\ 38

and the other:

EGF \\ 5x - 12 \\ 5(10) - 12 \\ 50 - 12 \\ 38

☆They asked for what the angle of DGF measured. So we would have to add both sides

38 + 38 = 76

☆The answer is 76

3 0
3 years ago
Decide whether y is a function of x.<br> y=-3x-4
Nataly [62]
Yes, for every value of x, there is only one value of y. This means that y is a function of x.
4 0
3 years ago
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