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Nadusha1986 [10]
3 years ago
9

Marc ordered a rug he gave a deposit of 30% of the cost and will pay the rest when the rug is delivered if the deposit was $75 h

ow much more does he owe?
Mathematics
2 answers:
o-na [289]3 years ago
6 0
Use proportion, so multiply 100 by 75, then divide it by 30 and that's your answer.....250

ruslelena [56]3 years ago
5 0
$250 - $75 = 175
He owes $175
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describe a ratio in words about the coins that compares the whole coin collection to one part of it then write the ratio in at l
Ksivusya [100]

There are two parts in the given collection. One contains quarters and other contains dimes.

Let's compare the whole coin collection to the quarters.

One way to represent the ratio is 15 : 7.

The other way is \frac{15}{7}

5 0
3 years ago
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PLEASE HELP!
kirza4 [7]
Equations with absolute value:

|f(x)| = k

Where k is a positive number; if k is a negative number, the equation is impossible (absolute value is always positive).

How to solve:

|f(x) | = k
- f(x) = k \: \: or \: \: f(x) = k

Then:
1. |x+7|=12
x+7=12 V -x-7=12
x=5 V -x=19
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{-19, 5}

2. |2x+4|=8
2x+4=8 V -2x-4=8
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k=3 V k=-3
{-3, 3}

4. 5|b+8|=30
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{-14, -2}

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4 0
3 years ago
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John paid $222 for four hours of skiing and two hours boating. He paid $213 for two hours skiing and three hours boating. What i
Inga [223]

Answer:

Skiing costs $30 per hour and Boating costs $51 per hour.

Step-by-step explanation:

Let cost per hour of skiing be x and cost per hour of boating be y. Let's dissect the problem into 2 simultaneous equations.

<em><u>"John paid $222 for four hours of skiing and two hours boating":</u></em>

4x+2y=222

<em><u>"He paid $213 for two hours skiing and three hours boating":</u></em>

2x+3y=213

<em>Now, if we solve for x in the 2nd equation and plug it in the 1st equation, we will have the value for y</em>. Work shown below.

2x+3y=213\\2x=213-3y\\x=\frac{213-3y}{2}\\Equation 1: 4x+2y=222\\Substituting :\\4(\frac{213-3y}{2})+2y=222\\2(213-3y)+2y=222\\426-6y+2y=222\\426-222=6y-2y\\204=4y\\y=\frac{204}{4}=51

Hence, y = 51

<em>Now, substituting this y value into the 1st equation and solving for x will give us the value of x.</em>

First Equation: 4x+2y=222\\4x+2(51)=222\\4x+102=222\\4x=222-102\\4x=120\\x=\frac{120}{4}=30

Hence, skiing costs $30 per hour and boating costs $51 per hour.

4 0
3 years ago
What are the properties of an isosceles triangle?
jolli1 [7]
An isosceles triangle has two equal sides and one unique side
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4 0
3 years ago
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A repair person charges $25 per hour plus and initial service charge of $30.
Norma-Jean [14]

Answer:

The repair person did 5 hours of work.

Step-by-step explanation:

155 = 25x + 30

125 = 25x

5 = x

6 0
3 years ago
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