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Stella [2.4K]
3 years ago
14

At one store, Matt saved $15 with a coupon for 30% off his total purchase. At another store, the 24$ he spent on books is 48% of

his total bill. How much did Matt spend in all at he stores ?
Mathematics
1 answer:
Goryan [66]3 years ago
5 0
STEP 1:

$15 = 30%
Y = 70%

Y = (15x70) / 30
Y = $ 35 (Total purchase at store 1)

STEP 2:

$24 = 48%
Z = 100%

Z = (24x100) / 48

Z = $50 (Total purchase at store 2)

STEP 3:

$35+$50

= $85 (TOTAL PURCHASE)
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Answer:

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Let  r  =  rate of the river.

The rate going downstream is  b + r.

The rate going upstream is  b - r.

rate x time  =  distance

4(b + r)  =  144     --->     b + r  =  36     [divide both sides by 4]

9(b - r)  =  144      --->     b - r  =  16      [divide both sides by 9]

Add town:                          2b  =  52  

Divide by :                           b  =  26  mi/hr

                                           r  =  10  mi/hr

Step-by-step explanation:

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2 years ago
A container is shaped like a cylinder with half spheres on each end. The cylinder has a length of 30 centimeters and a radius is
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The cubic centimeter one container can hold is 2,878.33 cm³.

<h3>What is the  cubic centimeter one container can hold ?</h3>

In order to determine the  cubic centimeter one container can hold, the volume of the container has to be determined.

Volume of the container = volume of the cylinder + (2 x volume of the hemisphere)

Volume of the cylinder = πr²h

Where:

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3.14 x 5² x 30 = 2355 cm³

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2 x (2/3 x 3.14 x 5³) = 523.33 cm³

Volume of the container =  523.33 cm³ + 2355 cm³ = 2,878.33 cm³

To learn more about the volume of a hemisphere, please check: brainly.com/question/26840364

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2 years ago
Alice has 1/5 as many miniature cars as Sylvester has Sylvester has 35 miniature cars how many miniature cars does alic have?
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3 years ago
Yvonne is solving the quadratic equation 6x2 + 24x + 7 = 0 by completing the square. Her first four steps are shown in the table
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The step in which Yvonne first makes an error while solving the quadratic equation by completing the square in step 1.

<h3>What is a quadratic equation?</h3>

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The first step to solving this quadratic equation by completing the square is, Take the constant value 7 at the opposite side of the equation as,

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In the image attached below, the first step of  the Yvonne while solving the equation by completing the square is,

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Here, Yvonne does not change the sign of the number 7 while taking it to another side of the equation.

Hence, the step in which Yvonne first makes an error while solving the quadratic equation by completing the square is step 1.

The table is attached with the answer below

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Answer:

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Step-by-step explanation:

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<em>see attached for prefixes</em>

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3 years ago
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