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Orlov [11]
3 years ago
5

I need help ASAP!!!!!! Please tell me how u got your answer

Mathematics
1 answer:
Deffense [45]3 years ago
7 0
Answer:

150.5

Step-by-step explanation:

Use the Surface Area Formula for a Cylinder to find the Surface Area.

SA = 2πrh + 2πr^2 where r = radius and h = height

SA = 2π(3)(5) + 2π(3)^2

SA = 2π(15) + 2π(9)

SA = 2(47) + 2(28.26)

SA = 94 + 56.52

SA = 150.52

Rounded to the nearest tenth = 150.5
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A's common difference: 2

B's common difference: 9

C's common difference: 5

answer: A, C, B

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3 years ago
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Explanation:
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on a scale drawing, 5 metres is represented by 4 centimetres. write the scale as a ratio in it's simplest form.​
ryzh [129]

Answer:

<em>The scale factor is 1:125</em>

Step-by-step explanation:

<u>Scaling</u>

Objects can be represented in a reduced or augmented size by using scaling which consists of multiplying or dividing by a constant factor. We use scaling when representing geographic locations on a map.

On a scale drawing, a distance of 5 meters = 500 cm is represented by 4 centimeters. The scale factor is usually represented as a ratio of the smallest to the biggest magnitude:

\frac{4}{500}=\frac{1}{125}

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3 years ago
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Step-by-step explanation:

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2 years ago
If someone has 8 fl. oz. of 16% wine, how many standard drinks has that person consumed?
UkoKoshka [18]

Answer:

2.1 standard drinks

(or 2 if you need to round to the nearest whole number)

Step-by-step explanation:

The ABV (alcohol by volume) percentage is a measure of the amount of pure alcohol (as a percentage) of the total volume of liquid in a drink.

So for 16% wine, this means that 16% of the volume of the wine is pure alcohol.

Therefore, if 16% of 8 fl oz is pure alcohol, this means that 1.28 fl oz of the 8 fl oz is pure alcohol (since 0.16 × 8 = 1.28).

One standard drink ≈ 0.6 fl oz pure alcohol

To calculate the number of standard drinks, divide the total amount of pure alcohol found by the amount in one standard drink:

1.28 ÷ 0.6 = 2.1

Therefore there is approximately 2.1 standard drinks in 8 fl oz of 16% wine.

5 0
2 years ago
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