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2 years ago

Brian earns $28.50 tutoring for 3 hours. Assuming he is paid at constant rate, how much would Brian earn tutoring for 18 hours?

Mathematics

2 answers:

ValentinkaMS [17]2 years ago

6 0

Answer:

Step-by-step explanation:

171 just multiply it by 6 since 3 times 6 equals 18

Vsevolod [243]2 years ago

6 0

Answer:

171.00 dollars

Step-by-step explanation:

28.50÷3=9.50

9.50= 1 hour

9.50×18=171.00

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lora16 [44]

I believe the answer would be b^4.

Explanation:
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Then Simplify 10-6 to 4
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If a certain cannon is fired from a height of 8.8 meters above the ground, at a certain angle, the height of the cannonball ab

Dennis_Churaev [7]

Answer:

It would take approximately 6.50 second for the cannonball to strike the ground.

Step-by-step explanation:

Consider the provided function.

$h(t)=-4.9t^2+30.5t+8.8$

We need to find the time takes for the cannonball to strike the ground.

Substitute h(t) = 0 in above function.

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Substitute a = -49, b = 305 and c=88

$t=\frac{-305+\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}=-\frac{-305+\sqrt{110273}}{98}\\t = \frac{-305-\sqrt{305^2-4\left(-49\right)88}}{2\left(-49\right)}= \frac{305+\sqrt{110273}}{98}$

Ignore the negative value of t as time can't be a negative number.

Thus,

$t=\frac{305+\sqrt{110273}}{98}\approx6.50$

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Julli [10]

Answer:

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