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Pani-rosa [81]
3 years ago
14

A school's service club is sponsoring a dance in the

Mathematics
1 answer:
HACTEHA [7]3 years ago
8 0

Answer:

Yes, they only need 400 tickets to meet their goal, any more will exceed their goal.

Step-by-step explanation:

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Please do all four, thanks :) <br><br> I'm feeling generous today *40 points*
MrMuchimi

Step-by-step explanation:

A. x^2-9x+18

B. x^2-8x+16

C. 2x^2-5x-12

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3 years ago
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Find the value of x for which the graph of y = 3x^2 - 8x + 7 achieves its minimum y-value.​
gulaghasi [49]

Answer:

<h3>The y value achieves its minimum at x = 4/3</h3>

Step-by-step explanation:

Given the graph of y to be 3x² - 8x + 7, to get the value of x for which the graph function achieves its minimum y value, we need to find its turning point first.

At the turning point, dy/dx = 0

Given y = 3x² - 8x + 7

\frac{dy}{dx} = 6x-8\\ at\ turning\ point\ 6x-8 = 0

6x = 8\\x = \frac{8}{6}\\ x =\frac{4}{3}

The y value achieves its minimum at x = 4/3

7 0
3 years ago
How do you simplify 50 - (4(7 2))?
SVEN [57.7K]
If you're simplifying, you would get -258 I believe.
4 0
3 years ago
Find the value of: (ii) [(1/4) -1 + (1/3) -2 - (1/2) -3 ] ÷ 5
Anastaziya [24]

Answer:

-71/6

Step-by-step explanation:

[(1/4) -1 + (1/3) -2 - (1/2) -3 ] ÷ 5

[(3/12)-(12/12)+(4/12)-(24/12)-(6/12)-(36/12)] ÷ 5

[-71/12]/5

-71/60

6 0
3 years ago
Which of the following creates 90 degree angles at the points of intersection and also cuts a segment into two congruent pieces?
lora16 [44]

The Aanswer is Perpendicular bisector. Hope this will help you!

8 0
3 years ago
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