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3 years ago

A pair of sneakers is on sale for $51. This is 75% of the original price. what was the original price of the shoes?

1 answer:

3 0

$x-\ original\ price\\\\
75\%x=51\\\\ 
\frac{75}{100}x=51\\\\
0,75x=51\ \ \ | divide \ by\ 0,75\\\\
x=68\\\\
Original\ price\ is\ equal\ to\ 68\$.$

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List the next three terms in the following sequence:

BlackZzzverrR [31]

1 + 1 = 2
2 + 2 = 4
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16 + 6 = 22
22 + 7 = 29
29 + 8 = 37

sorry that I do not know the equation for this problem...but ur next 3 numbers are : 22,29,37.....so ur answer is D

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A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.53, 0.40

SpyIntel [72]

The mean of the probability distribution is given by the expected value given by

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The variance of the probability distribution is given by

$Var(x)=(x-\bar{x})^2p(x) \\ \\ =(0-0.56)^2(0.53)+(1-0.56)^2(0.40)+(2-0.56)^2(0.05)\\+(3-0.56)^2(0.02) \\ \\ =(-0.56)^2(0.53)+0.44^2(0.40)+1.44^2(0.05)+2.44^2(0.02) \\ \\ =0.3136(0.53)+0.1936(0.40)+2.0736(0.05)+5.9536(0.02) \\ \\ =0.166208+0.07744+0.10368+0.119072=0.4664$

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2 years ago

During one month, a rental car agency rented a total of 155 vehicles. Nine times as many cars were rented as vans, and three tim

MAXImum [283]

The number of cars, vans and trucks rented are;

Number of Cars = 4 cars

Number of vans = 36 vans

Number of trucks = 108 trucks

<h3>How to solve Algebra Word Problems?</h3>

We are given;

Total number of vehicles = 155 vehicles

Let number of cars be x.

Thus, since Nine times as many cars were rented as vans, we have;

Number of vans rented = 9x

Now, three times as many vans were rented as trucks. Thus;

The number of trucks rented during one month = 3(9x)

Thus;

x + 9x + 27x = 155

37x = 155

x ≈ 4 cars

Number of vans = 9 * 4 = 36 vans

Number of trucks = 3 * 36 = 108 trucks

Read more about Algebra Word Problems at; brainly.com/question/13818690

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1 year ago