3 years ago

WITH AN EQUATION

Mathematics

1 answer:

andrey2020 [161]3 years ago

5 0

Answer:

x-35.75=40.00

Step-by-step explanation:

Let's use <em>m </em> as our variable.

So Marlen went to the mall and spent $35.75 on shoes. When she got home she had $40.00 in her purse.

An equation to represent this is : x-35.75=40.00

If you are interested in the value of x it is $75.75

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4. A video rental store rents movies at $3.95 for the first night, plus $1.25 for each additional night. When you return your mo

Umnica [9.8K]

Answer:

3 nights

Step-by-step explanation:

Set up an equation that represents the problem:

y = 1.25x + 3.95

Where y is the total cost and x is the number of additional nights you rent the movie

Substitute:

7.70 = 1.25x + 3.95

Subtract 3.95 on both sides:

7.70 = 1.25x + 3.95

-3.95 -3.95

3.75 = 1.25x

Divide by 1.25 on both sides:

3.75 = 1.25x

/1.25 /1.25

3 = x

Therefore, you kept the movie for 3 additional nights.

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3 years ago

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Does the blue appear to be a line of symmetry?

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Answer:

Yes it does a line is always symmetrical in some way

Step-by-step explanation:

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3 years ago

I really need help! Brainliest awarded to correct answer <br> :))

marta [7]

Answer:

Step-by-step explanation:

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3 years ago

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A family member has some five dollar bills and one dollar bills in their wallet. Altogether she has 18 bills and a total of $62.

Pepsi [2]

X - the number of five dollar bills
y - the number of one dollar bills

She has 18 bills in total.
$x+y=18 \\ y=18-x$

She has $62.
$5x+y=62 \\
y=62-5x$

Set both expressions equal to each other:
$18-x=62-5x \\
-x+5x=62-18 \\
4x=44 \\
x=11 \\ \\ y=18-x=18-11=7$

She has 11 five dollar bills and 7 one dollar bills.

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3 years ago

You estimate that there are 40 marbles in a jar. The actual amount is

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16.6%

Step-by-step explanation:

40 - 48 / 48

-8/48

-16.666666667%

16.66666667% error

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3 years ago