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3 years ago

Hunter thought he purchased an umbrella for $60. The actual price of an Umbrella is $50. What is hunters percent error

Mathematics

1 answer:

Dima020 [189]3 years ago

3 0

Error = 60-50/50 × 100
= 10/50 × 100
= 20 %

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A 5 kW solor energy system can collect 9000 kWh of energy per year. In Arizona, electricity cost eleven cents per kilowatt hour.

Licemer1 [7]

Answer:

19338 kWh

Step-by-step explanation:

In Arizona, electricity cost eleven cents per kilowatt-hour.

The average home uses 66 million BTU per year i.e. 66000000 BTU per year.

Now, it is given in the question that 1 BTU is equivalent to 0.000293 kWh.

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Therefore, the number of kilowatt-hours used per year will be 19338. (Answer)

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3 years ago

How do find the answer in subtractiion problem, when the top number is smaller than the bottom

Travka [436]

Use a number line if you need 4/10 - 6/10 = -2/10a simpler way is to do the opposite 6/10 - 4/10 = 2/10 then the answer would be the opposite as well. so, -2/10

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3 years ago

Read 2 more answers

What is the answer and how did you find that?

Ymorist [56]

Answer:

a) $15287.71

b) $15017.64

c) $16,368 − r%

Step-by-step explanation:

Mary's car price (including tax): $16,368

[possible tax rates and listing prices]

a) 6.6%

➠ $15287.71

b) 8.25%

➠ $15017.64

c) r (any rate)

➠ $16,368 − r%

How did I find my answers?

I had to find the sales tax, and subtract it from the overall cost of the item.

To find the sales tax, all I had to do was multiply the sales tax percentage by the price of the item
Next, all I had to do was subtract the sales tax from the item's cost

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2 years ago

Whats x-3+75x compared to or equal to x-75+3x

lbvjy [14]

Answer:

x=-1

Step-by-step explanation:

-3+75x<-75+3x

75x-3<-75+3x

75x-3<3x-7575x−3<3x−75

75x-3-3x<-75

72x-3<-75