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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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68 containers because 8.5 * 8 is 68
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Find the sale price.<br> Original price: $50<br><br> Discount: 15%<br><br> Sale price: $
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$42.50

Step-by-step explanation:

Take 50 multiplied by .15 and that gives you 15% of 50. Then just subtract the answer from 50.

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That helps you to conclude:

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b) When you multiply a function times 2/3 it is vertically compressed which is equivalent to horizontally streched.

c) The graph of f(x) opens downward

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3 years ago
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Write a <br> DEScription of bar graph
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8 0
3 years ago
A 4 metre ladder is placed against a vertical wall.
Black_prince [1.1K]

Answer:

Original position: base is 1.5 meters away from the wall and the vertical distance from the top end to the ground let it be y and length of the ladder be L.

Step-by-step explanation:

By pythagorean theorem, L^2=y^2+(1.5)^2=y^2+2.25 Eq1.

Final position: base is 2 meters away, and the vertical distance from top end to the ground is y - 0.25 because it falls down the wall 0.25 meters and length of the ladder is also L.

By pythagorean theorem, L^2=(y -0.25)^2+(2)^2=y^2–0.5y+ 0.0625+4=y^2–0.5y+4.0625 Eq 2.

Equating both Eq 1 and Eq 2: y^2+2.25=y^2–0.5y+4.0625

y^2-y^2+0.5y+2.25–4.0625=0

0.5y- 1.8125=0

0.5y=1.8125

y=1.8125/0.5= 3.625

Using Eq 1: L^2=(3.625)^2+2.25=15.390625, L=(15.390625)^1/2= 3.92 meters length of ladder

Using Eq 2: L^2=(3.625)^2–0.5(3.625)+4.0625

L^2=13.140625–0.90625+4.0615=15.390625

L= (15.390625)^1/2= 3.92 meters length of ladder

<em>hope it helps...</em>

<em>correct me if I'm wrong...</em>

4 0
3 years ago
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