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3 years ago

6

My dad uses a reusable cup every time every time he goes to the coffee shop the coffee shop takes $0.10 off each coffee every ti

me he uses his reusable cup if he gets coffee every day for a week (including the weekend) how much money would he save

1 answer:

Ronch [10]3 years ago

8 0

He would save 70 cents because .10 x 7 = .7
and .7 x 100 is 70

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alex container of cranberry juice holds 200 milliters. harrys container holds 7/8 as much juice. how many milliliters of cranber

blondinia [14]

175mm??? Im not entirely sure.

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3 years ago

Sabrina wants to have an average of at least 90 on her quizzes. If she took three quizzes andearned a 95, 86 and 82, what is the

Marrrta [24]

Answer:

97

Step-by-step explanation:

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360 / 4 = <em>90</em>

<em />

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3 years ago

A. f(x) = l-2xl - 3<br> Domain: {1, 2, 3}<br> Find the range

gizmo_the_mogwai [7]

Hello there!

We are given the function:

$\displaystyle \large{ f(x) = | - 2x| - 3} \\$

To find the range, we know that domain is the set of all x-values and also called 'input' while range is the set of all y-values and also called 'output'.

Basic Function - you add the input, you get the output. You add x-value in a function, you get y-value. You add domain, you get range.

So, we substitute x = 1,2 and 3 in the function.

<u>x</u><u> </u><u>=</u><u> </u><u>1</u>

$\displaystyle \large{ f(1) = | - 2(1)| - 3} \\ \displaystyle \large{ f(1) = | - 2| - 3} \\$

Recall that any numbers in absolute value are always positive.

$\displaystyle \large{ f(1) = 2 - 3} \\ \displaystyle \large{ f(1) = - 1} \\$

<u>x</u><u> </u><u>=</u><u> </u><u>2</u>

$\displaystyle \large{ f(2) = | - 2(2)| - 3} \\ \displaystyle \large{ f(2) = | - 4 | - 3} \\ \displaystyle \large{ f(2) = 4 - 3} \\ \displaystyle \large{ f(2) = 1}$

<u>x</u><u> </u><u>=</u><u> </u><u>3</u>

$\displaystyle \large{ f(3) = | - 2(3)| - 3} \\ \displaystyle \large{ f(3) = | - 6| - 3} \\ \displaystyle \large{ f(3) = 6 - 3} \\ \displaystyle \large{ f(3) = 3}$

Therefore, Range: {-1,1,3}

Let me know if you have any questions!

Topic: Absolute Value Function / Modulus Function

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3 years ago

Tim's phone service charges $26.97 plus an additional $0.25 for each text message sent per month. If Tim's phone bill was $33.22

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B. $0.25x+26.97=$33.22

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Anestetic [448]

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