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Reil [10]
3 years ago
13

The track team needs new uniforms. The students plan to sell plush toy tigers (the school mascot) for $5 each. The students find

three companies online that sell stuffed mascots. Company A sells 12 tigers for $33.24. Company B sells 16 tigers for $44.80. Company C charges $41.10 for 15 tigers. Which company has the best buy?
Mathematics
1 answer:
sasho [114]3 years ago
8 0

Answer:

Company C

Step-by-step explanation:

Company A sells 12 tigers for $33.24.

Cost per tiger = $33.34 / 12

= $2.78

Company B sells 16 tigers for $44.80. Company

Cost per tiger = $44.80 / 16

= $2.8

C charges $41.10 for 15 tigers.

Cost per tiger = $41.10 / 15

= $2.74

The company that has the best buy is company C that charges $2.74 per tiger

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Martin throws a ball straight up in the air. the equation h(t) = -16t^2 + 40t + 5 gives the height of the ball, in feet, t secon
Lisa [10]

Answer:

2.62 seconds

Step-by-step explanation:

Let

t ----> the time in seconds

h(t) ----> he height of the ball, in feet

we have

h(t)=-16t^2+40t+5

we know that

When the ball hits the ground, the height is equal to zero

so

-16t^2+40t+5=0

The formula to solve a quadratic equation of the form

at^{2} +bt+c=0

is equal to

t=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

-16t^2+40t+5=0

so

a=-16\\b=40\\c=5

substitute in the formula

t=\frac{-40\pm\sqrt{40^{2}-4(-16)(5)}} {2(-16)}

t=\frac{-40\pm\sqrt{1,920}} {-32}

t=\frac{-40+\sqrt{1,920}} {-32}=-0.12\ sec

t=\frac{-40-\sqrt{1,920}} {-32}=2.62\ sec

therefore

The solution  is t=2.62 seconds

4 0
2 years ago
Find the vertex of y=-x^2-4x
Kay [80]
The vertex would be (-2,4)
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3 years ago
Please Help <br> Which fuction is the inverse of f(x)=50,000(0.8)^x
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D is the correct answer to your question
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This month you make $3,881 from liquor salesfrom food, and from your gift shop. your monthly sales goal is $25,000, did you meet
katrin2010 [14]

Answer:

No

Step-by-step explanation:

If you add all the sales you do not meet your goal of $25,000

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