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jolli1 [7]
3 years ago
6

what is f(x) = 2x2 28x – 5 written in vertex form? a.f(x) = 2(x 7)2 – 19 b.f(x) = 2(x 7)2 – 103 c.f(x) = 2(x 14)2 – 14 d.f(x) =

2(x 14)2 – 98
Mathematics
2 answers:
AlekseyPX3 years ago
5 0
Hello,
++++++++++++++++++
Answer B
++++++++++++++++++
2x²+28x-5=2(x²+2*7x+49)-5-2*49=2(x+7)²-103
+++++++++++++++++
Alexxx [7]3 years ago
4 0

Answer:

f(x) = 2(x + 7)^2 – 103

Step-by-step explanation:

This is 100% correct for edge.nuity and e2020.

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What you value of n makes the following equation true? 3√n=8
kodGreya [7K]

Answer:

n=\frac{64}{9} makes the equation true

Step-by-step explanation:

3√n=8

To find the value of n makes the following equation true, we need to solve for 'n'

First to remove 3  we divide by 3 on both sides

\sqrt{n} =\frac{8}{3}

To remove square root take square on both sides, because square and square root will get cancelled

n= (\frac{8}{3})^2

n=\frac{64}{9}

64/9 makes the equation true

5 0
4 years ago
What is the relative minimum of the function? ​
raketka [301]

Answer:

Relative minimum is where the function is at a low point. In this case, the relative minimum is at the very lowest point. In this case, it is also an absolute minimum.

Step-by-step explanation:

If you think of the letter U, it's the very low point of the U, where it changes from going down to going up.

8 0
3 years ago
Read 2 more answers
How do I solve 3/10+2.125 <br> Converted into fractions
ahrayia [7]

Answer:

97/40

Step-by-step explanation:

so 2.125= 17/8

3/10+17/8 need to find common denominator so

times 8/8 to 3/10

times 10/10 to 17/8

24/80+170/80= 194/80 (common denominator so can add)

divide 194/80 because want reduce form

97/40 is the answer

(When i look at it now i can just time 4/4 and 5/5 but its ok this still gets the answer)

3 0
4 years ago
H=-16t^2 + 104t + 56​
WITCHER [35]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

h=-16t^{2}+104t+56

Using a graphing tool

see the attached figure

This is the equation of a vertical parabola open downward

The vertex is the point (3.25,225) (a maximum)

The zero's of the function or the t-intercepts are the points (-0.5,0) and (7,0)

The h-intercept of the function is the point (0,56)

The domain of the function are all real numbers

The range of the function h\leq225 ----> All real numbers less than or equal to 225

8 0
4 years ago
A bank manager wants to encourage new customers to open accounts with initial deposits of at least $3000. He has posters made fo
belka [17]

Incomplete question. However, let us assume

  • the interest rate is 5%, and
  • the time is 1 year.

Answer:

<u>$150</u>

Step-by-step explanation:

Note, the bank manager wants new customer accounts opened with at least, $3,000. Hence we have a principal, $3000. Using the simple interest formula:

S.I= \frac{amount*rate*time}{100}

SI=\frac{3000*5*1}{100} = $150

Therefore, the <em>minimum</em> amount of interest a new account would make in one year is <u>$150.</u>

7 0
3 years ago
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