3 years ago

The height of a model rocket, H(t), is a function of the time since it was launched, t.

Mathematics

1 answer:

laiz [17]3 years ago

7 0

I believe its either A or C

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Dana saved 450 for food for her upcoming vacation. The breakfast was included with their hotel, but lunch and dinner are not. Wh

zzz [600]

Answer:

$10d + 40r \leq 450$

Step-by-step explanation:

Given

$Savings = 450$

$Dana\ Cooks, d = 10$

$Restaurant, r = 40$

Required

Represent this as an inequality

When Dana cooks;

$Cost\ per\ meal = 10$

$Cost\ per\ d\ meals = d * 10$

$Cost\ per\ d\ meals = 10d$

At Restaurant

$Cost\ per\ meal = 40$

$Cost\ per\ r\ meals = 40 * r$

$Cost\ per\ r\ meals = 40 r$

Add these two results:

$Result = 10d + 40r$

To represent as an inequality, the above result must be less than or equal to Dana's total savings

i.e.

$10d + 40r \leq 450$

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3 years ago

I don't get how to do this

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Alright so 25% of the 32 students scored an A. 25% is equal to 1/4. So just take a fourth of 32 to get your answer, which is 8.

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Which of the following circles have their centers in the second quadrant? Check all that apply.

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