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Rina8888 [55]
3 years ago
13

What is 11x^2-28x+4 in vertex form

Mathematics
1 answer:
Nutka1998 [239]3 years ago
8 0

Answer:

11x^2-24

Step-by-step explanation:

All you have to do is add -28 and 4...

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I just need answers I dont need an explanation!!
Evgesh-ka [11]

Step-by-step explanation:

-9

5

0

-8

well those are the answers

3 0
2 years ago
Read 2 more answers
Lucy spends 4 hours a week babysitting. Her sister Lily spends seven eighths as much time babysitting. Does Lily babysit for mor
olganol [36]

Answer:

Lily babysit for <u>less than 4 hours</u>.

Step-by-step explanation:

Given:

Lucy spends in a week babysitting for 4 hours.

Lily spends seven-eighths of 4 hours.

Now, to find whether Lily babysit for more than 4 hours or less than that.

Number of hours Lucy babysit = 4 hours.

So, to get the hours Lily babysit:

\frac{7}{8}\ of\ 4\ hours.

=\frac{7}{8}\times 4\\\\=\frac{28}{8} \\\\

<em>On simplifying we get:</em>

=\frac{7}{2} \\\\=3\frac{1}{2}\ hours.

<u><em>Thus, Lily spends </em></u>3\frac{1}{2}\ hours<u><em>  for babysitting which is less than 4 hours.</em></u>

Therefore, Lily babysit for less than 4 hours.

4 0
3 years ago
Angelo has a credit score of 726. According to the following
Vaselesa [24]

Answer:

Good ( 660- 749)

Step-by-step explanation:

Because of this fact:

726 > 660 and 726 < 749

So his credit rating is considered as Good ( 660- 749)

Have a good day

8 0
3 years ago
Read 2 more answers
michael's dad is 30 years of age. He is 2 years more than four times Michael's age m. Write and solve a two-step equation to det
GenaCL600 [577]
The equation used would be:
4m + 2 = 30

where the answer would be 7.
6 0
3 years ago
Read 2 more answers
Your school wants to take out an ad in the paper congratulating the basketball team on a successful​ season, as shown to the rig
iogann1982 [59]

Answer:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

Step-by-step explanation:

Let's assume that the figure attached illustrate the situation.

For this case the we know that the original area given by:

A_i = 7 in *5 in = 35in^2

And we know that the initial area is a half of the entire area in red A_i = \frac{A_f}{2}, so then:

A_f = 2 A_ i =2*35 = 70

And we know that the area for a rectangular pieces is the length multiplied by the width so we have this:

70 = (x+7) (x+5)

We multiply both terms using algebra and the distributive property and we got:

70 =x^2 +12 x +5

And we can rewrite the expression like this:

x^2 +12 x -35 = 0

And we can solve this using the quadratic formula given by:

x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}

Where a = 1, b =12 and c=-35 if we replace we got:

x = \frac{-12 \pm \sqrt{(12)^2 -4(1)(-35)}}{2*1}

And the two possible solutions are then:

x_1 =-14.43 in, x_2 = 2.426in

Since the measurement can't be negative the correct answer for this case would be x =2.426 in

3 0
3 years ago
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