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3 years ago

6

Samantha saves at least 10% of the money she earns each month. She earns $120 each month for a year. Which inequality describes

the total amount Samantha saves?

1 answer:

viktelen [127]3 years ago

8 0

Step-by-step explanation:

10 % each month is $12.00 12 months in a year 12 x 12.00 = $144.00

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Solve for x.<br><br> y=4+bx^2

kicyunya [14]

$y=4+bx^2$

$bx^2 = y - 4$

$x^2 = \dfrac{y-4}{b}$

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4 years ago

Tim has a rectangular prism with a length of 10 centimeters, a width of 2 centimeters, and an unknown height. he needs to build

ozzi

The volume of the original prism is given by:
V1 = (10) * (2) * (h)
rewriting:
V1 = 20h
Where,
h: height
The volume of the second prism is given by:
V2 = (5) * (w) * (h)
We know that the height is the same.
As the volume is the same then:
(5) * (w) * (h) = 20h
Clearing w we have:
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Answer:
The width, in centimeters, of the new prism is:
w = 4cm

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3 years ago

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Step-by-step explanation:

I used desmos graphing calculator. c:

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2 years ago

A mixture of 40 pounds of nuts costs $1.30 per pound and consists of peanuts worth $1.20 per pound and cashews worth $1.70 per p

Amiraneli [1.4K]

$1.30+$1.20+1.70 divided by 40lbs

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Reika [66]

9514 1404 393

Answer:

0 ≤ m ≤ 7
0.4541 cm/month; average rate of growth over last 4 months of study

Step-by-step explanation:

<u>Part A</u>:

The study was concluded after 7 months. The fish cannot be expected to maintain exponential growth for any significant period beyond the observation period. A reasonable domain is ...

0 ≤ m ≤ 7

__

<u>Part B</u>:

The y-intercept is the value when m=0. It is the length of the fish at the start of the study.

__

<u>Part C</u>:

The average rate of change on the interval [3, 7] is given by ...

(f(7) -f(3))/(7 -3) = (4(1.08^7) -4(1.08^3))/4 = 1.08^3·(1.08^4 -1)

≈ 0.4541 cm/month

This is the average growth rate of the fish in cm per month over the period from 3 months to 7 months.

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2 years ago