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lisabon 2012 [21]
3 years ago
12

Which system of equations below has no solution?

Mathematics
2 answers:
Dmitrij [34]3 years ago
8 0

y = 4x + 5 and y = 4x - 5

timurjin [86]3 years ago
3 0

non but third

we can solve all of them because they are parallel but third isn't.

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The soccer team collected $800 at a car wash fundraiser. They charged $5.00 for small vehicles and $10.00 for larger vehicles. T
vekshin1

Answer:

b. 60

Step-by-step explanation:

We have been given a formula 5x+10y=800, where x represents the number of small vehicles and y represents the number of larger vehicles.

To find the number of small vehicles, we will substitute y=50 in the given equation as:

5x+10(50)=800

5x+500=800

5x+500-500=800-500

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\frac{5x}{5}=\frac{300}{5}

x=60

Therefore, 60 small vehicles were washed in total and option 'b' is the correct choice.

6 0
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Ravi deposits $600 into an account that pays simple interest at a rate of 4% per year. How much interest will he be paid in the
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4 0
4 years ago
The length of a rectangle is twice it’s width. If the area of the rectangle is 72ft ^2, find it’s perimeter
alisha [4.7K]

Hi!

length = l = 2 * width = 2 * w

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l = 6

l = 2 * w => w = l/2 = 6/2 = 3

Perimeter = 2 * l + 2 * w = 2 * 6 + 2 * 3 = 12 + 6 = 18 feet

Hope this helps!

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Answer:

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Step-by-step explanation:

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