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miss Akunina [59]
3 years ago
9

Anyone trying to help a girl out?

Mathematics
1 answer:
adoni [48]3 years ago
3 0

Answer:

so it is a rectangle with a perimeter of 30 units

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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
Given m||n, find the value of x.
allsm [11]
En q puedo ayudar explícame un poco más de lo q debes hacer
8 0
3 years ago
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Someone pls help me with this
frosja888 [35]

Answer:

4.25   wewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewewe

Step-by-step explanation:

3 0
3 years ago
Can someone please help me with this question?
Lena [83]
Answer is 17.7 gallons. Just use 10 gallons x 177%. It's me again, mark as branliest tq
6 0
3 years ago
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Plz help due today giving brainliest!
Artyom0805 [142]

Answer:

The answers are C, D, A, and B.

Step-by-step explanation:

Hope this helps :D

8 0
3 years ago
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