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fredd [130]
2 years ago
14

The function m is given in three equivalent forms. Which form most quickly reveals the zeros (or "roots") of the function? Choos

e 1 answer: (Choice A) m ( x ) = − 2 ( x − 6 ) 2 + 18 (Choice B) m ( x ) = − 2x^2 + 24x - 54 (Choice C) m ( x ) = − 2 ( x − 3 ) ( x − 9 ), Write one of the zeros
Mathematics
1 answer:
xxMikexx [17]2 years ago
5 0

Answer:

Choice C

Step-by-step explanation:

Choice C already has X factored into a form which can readily be set equal to zero.

Eg. X - 3 = 0 and X - 9 = 0

To find the zeroes, simply solve for X

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Stephanie took a science exam that had two parts. Part 1: She got 16 questions correct, which was 45 of the number of part 1 que
vesna_86 [32]

Given :

Stephanie took a science exam that had two parts. Part 1: She got 16 questions correct, which was 4/5 of the number of part 1 questions. Part 2: She got 16 questions correct, which was 2/3 of the number of part 2 questions.

To Find :

The total number of questions on Stephanie's exam.

Solution :

Let, number of questions in Part 1 is x :

16=\dfrac{4}{5}x\\\\x=20

Let, number of questions in Part 2 is y :

16=\dfrac{2}{3}y\\\\y=24

Therefore, total number of questions on Stephanie's exam are 20 + 40 = 60.

Hence, this is the required solution.

5 0
3 years ago
Help me find my answer please
vova2212 [387]

Answer:

3/6 or 1/2

Step-by-step explanation:

y2-y1 = 8-2 = 6

x2-x1 = 3-0 = 3

The point would be (3,6) or if simplified (1,2)

HOPEFULLY THIS HELPED :)

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3 years ago
Carol is standing 8 feet from a lamppost. The angle of elevation from her eyes to the top of the lamppost is 20o, and the angle
kupik [55]

Answer:

Height of the lamppost = 5.602 ft + 2.912 ft = 8.514 ft

Step-by-step explanation:

The illustration form a triangle that can be demarcated into 2 right angle triangle. One triangle representing depression triangle and the other elevation triangle.

Depression triangle

The opposite side of the triangle formed is the length of the pole from the base to the horizontal line of sight. Therefore,

using tangential ratio

tan 35° = opposite/adjacent

tan 35° = a/8

cross multiply

a = 8 tan 35°

a = 8 × 0.70020753821

a = 5.60166030568

a = 5.602 ft

Elevation triangle

The opposite side of this right angle triangle represent the length from the horizontal line of sight to the top of the lamppost.

tan 20° = opposite/adjacent

tan 20° = b/8

cross multiply

b = 8 tan 20°

b = 8 × 0.36397023426

b = 2.91176187413

b = 2.912 ft

Height of the lamppost = 5.602 ft + 2.912 ft = 8.514 ft

8 0
3 years ago
36 inches/second = yards/minute<br><br> How many yards?
gulaghasi [49]

Answer:

1 yard

Step-by-step explanation:

3 0
3 years ago
what would be a real world problem situation that you can write either a percent as a decimal or write a decimal as a percent
love history [14]
When grading papers you can convert decimals into percents

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3 years ago
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