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ddd [48]
3 years ago
11

The question is in image!!!!!! plz answer you’ll get 95 points!!

Mathematics
2 answers:
dybincka [34]3 years ago
4 0

Answer:

  • Option A is correct

Step-by-step explanation:

<u>Given functions f(x) and g(x). f(x) is:</u>

  • f(x) = x^2 + 4x + 6

<u>Converted into vertex form, it is:</u>

  • f(x) = (x + 2)^2 + 2

<u>g(x) has vertex at (-2, -14), it's vertex form is:</u>

  • g(x) = (x + 2)^2 - 14

Comparing f(x) and g(x) we see both have same x- coordinate of the vertex (x = -2).

Both have positive leading factors, therefore the vertex is their minimum point.

Function f(x) has vertex above the x-axis as y-coordinate of the vertex is positive. Hence no intersection with x-axis.

Function g(x) has negative y-coordinate of the vertex, so it has two intersections with x-axis.

Correct choice is A

loris [4]3 years ago
4 0

Answer:a

Step-by-step explanation:

Did it

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PLEASE ANSWER QUICK A manufacturing facility pays its employees an average wage of $4.50 an hour with a standard deviation of 50
evablogger [386]

Answer:

B.77.4%

Step-by-step explanation:

Mean wage (μ) = $4.50

Standard deviation (σ) = $0.50

For nay given salary X, the z-score is given by:

z=\frac{X-\mu}{\sigma}

For X = $3.75, the z-score is:

z=\frac{3.75-4.50}{0.50}\\z=-1.5

For X = $5.00, the z-score is:

z=\frac{5.00-4.50}{0.50}\\z=1

A z-score of -1.5 corresponds to the 6.68th percentile, while a score of 1 corresponds to the 84.13th percentile. Therefore, the percentage of workers getting paid between $3.75 and $5.00 an hour is:

P=84.13-6.68\\P=77.45\%

The answer is alternative B.77.4%

8 0
3 years ago
tickets to a concert cost $15 online and $25 at the door. one hundred more people bought their tickets at the door than online.
DochEvi [55]
25X100= 2,500 at the door
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3 years ago
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The answer is A -3.
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Read the excerpt from act 1 of The Monsters Are Due on Maple Street.
Vika [28.1K]

Answer:

it is D. the murmurs of a group

Step-by-step explanation:

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Please answer quick!!
rewona [7]

Answer: B

Step-by-step explanation:

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