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3 years ago

What is 5,100 in decimal form?

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

7 0

Im pretty sure that it would just be its self

Yanka [14]3 years ago

3 0

The answer is 51 because if u moved the decimal (which is at the end of the number) to the left twice (because it's actually dividing by a 100)the decimal will stop at 51.00,u really don't need the zeroes because it still the same number without the zeroes also u can read it and u will see it's the same number.

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3 - 5 + 3(2 - 1) + 4 = 2 = A)3.5 B)2.5 C)3 D)5

77julia77 [94]

C)3. My work is shown below

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2 years ago

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From 1980 to 2000 the consumer price index increased from 82.4 to 172.2. If a jar of peanut butter cost $1.49 in 1980 and the pr

Ivanshal [37]

Answer:

The price of the peanut butter jar in 2000 is US$ 3.11 and it increased US$ 1.62 from 1980 to 2000. The correct answer is C. 1.62.

Step-by-step explanation:

1. Let's review all the information provided for solving this question:

Customer Price Index 1980 = 82.4

Customer Price Index 2000 = 172.2

Price of a peanut butter jar 1980 = US$ 1.49

Price of a peanut butter jar 2000 = x

Price increased at the same rate as the CPI

2. Using Rule of Three we will find the price of the peanut butter jar in 2000:

x * CPI 1980 = Price of the peanut butter jar in 1980 * CPI 2000

and now let's replace with the real values:

x * 82.4 = 1.49 * 172.2

x = (1.49 * 172.2)/82.4

x = 256.578/82.4

x = 3.1138

x = 3.11 Rounding to two decimal places

The price of the peanut butter jar in 2000 is US$ 3.11.

Now let's find how much it increased from 1980 to 2000:

Price in 2000 - Price in 1980

3.11 - 1.49 = 1.62

The price of the peanut butter jar in 2000 is US$ 3.11 and it increased US$ 1.62 from 1980 to 2000. The correct answer is C. 1.62.

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3 years ago

Which of the following best describes the slope of the line below?

Degger [83]

Answer:

I believe it would be A: Undefined

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3 years ago

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3. Matt bought a pack containing 12 of his favorite Spring cookies. He wants to make the cookies last longer, so he

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

if he eats half a cookie each day then they cookies will last 24 days.

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3 years ago

A car is approaching a building. When it is 300 ft away, the angle of depression from the top of the building to the car is 42°.

labwork [276]

Answer: 333.2ft

Step-by-step explanation:

We can draw a triangle rectangle, where the distance between the base of the building and the car is one cathetus (300ft)

The height of the building is the other cathetus.

Now, we know that the angle of depression from the top of the building to the car is 42°

This angle is measured from a perpendicular line in from the building, so the "top angle" of the triangle rectangle will be:

90° - 42° = 48°

if we steep on this angle, the 300ft cathetus is the opposite cathetus and the height of the building is the adjacent cathetus.

Here we can use the relation:

Tan(A) = Opposite cathetus/adjacent cathetus:

Then:

Tan(48°) = H/300ft

Tan(48°)*300ft = H = 333.2ft

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3 years ago

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