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MaRussiya [10]
3 years ago
5

Here is a situation: I have $5. I save $2 each week. How many weeks do I need to save until I have at least $50? Write the inequ

ality for this situation and solve it. Discuss the meaning of your solution.
Mathematics
2 answers:
kompoz [17]3 years ago
6 0

Answer:

22 Weeks

Step-by-step explanation:

You just divide 50 by 2 to get 25 and it will take you 3 weeks to get the equivalent of 5 dollars therefore you subtract 3 from 25 and get 22, meaning that it will take 22 Weeks for you to save at least $50. The meaning of my solution is that I just used basic division addition and subtraction to find my answer.

Oksana_A [137]3 years ago
6 0

Answer:

1.  it will take you 22.5 weeks or 23 if you are supposed to round it

2. 5+2x>50

Step-by-step explanation:

i calculated it.

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Help! What is the average rate of change of f(x)=x^2+3x+6 over the interval -3 less-than-or-equal-to x less-than-or-equal-to 3?
Makovka662 [10]

Answer:

The average rate of change of the function over the interval is 5.

Step-by-step explanation:

Average rate of change of a function:

The average rate of change of a function f(x) over an interval [a,b] is given by:

A = \frac{f(b)-f(a)}{b-a}

Interval -3 less-than-or-equal-to x less-than-or-equal-to 3

This means that a = -3, b = 3

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So

f(b) = f(3) = (3)^2 + 3(3) + 6 = 9 + 9 + 6 = 24

f(a) = f(-3) = (-3)^2 + 3(-3) + 6 = 9 - 9 + 6 = 6

Average rate of change

A = \frac{f(b)-f(a)}{b-a} = \frac{24+6}{3-(-3)} = \frac{30}{6} = 5

The average rate of change of the function over the interval is 5.

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3 years ago
A right triangle has one angle that measures 25º. What is the measure of the other acute<br> angle?
Leya [2.2K]

Answer:

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