You have 9 gallons of lemonade to sell. You use a cone-shaped cups that are10 centimeters in diameter and 12 centimeters tall. Each customer uses one paper cup. How many paper cups will you need if you sell all of the lemonade? (I gal is approximately 3785 cm cubed)

Answers

Answer 1

Answer: Volumen, V, of a cone: V=(1/3). π. (r^2) . h

r = 10cm/2 = 5cm
h = 12
V= (1/3).π.(5cm)^2.12cm = 314.16 cm^3

9 gallons = 9*3785 cm^2 = 34,065 cm^3

# paper cups = 34,065 cm^3 / 314.16 cm^3/cup = 108.43 cups

May be 108 cups is enough but if you want to be sure have 109 cups. Of course you do not have enough lemonade to fill completely 109 cups.

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What is the value of 37,123,745

Answers

It might be 3,000,000

Justin is 2 years older than one third marcellas age. aimee is four years younger then 2 times Justins age.Define a variable and wrute an expression to represent justins age. The. Justins age and Aimees age if Marcella is 63 years old

Answers

j=justin
marcella=m
aimee=a

j is 2 older than 1/3 of m
'of' means multiply
j=2+1/3m

a is 4 younger than 2 times j
a=-4+2j

represent justin's age?
dunno

ok so I can solve if I know m=63
j=2+1/3m
j=2+1/3(63)
j=2+21
j=23
subsitute
a=-4+2j
a=-4+2(23)
a=-4+46
a=42

justin is 23 and aimee is 42 if marcella is 63

On a number line, will the square root of 20 be closer to 4.4 or 4.5

Answers

Answer:

4.5

Step-by-step explanation:

Nearest of square root of 20

$√(20)$

To choose closer from two numbers 4.4 or 4.5

First we find the square of both number.

Square of 4.4

$4.4^2 = 19.36$

Square of 4.5

$4.5^2=20.25$

Now compare the closer number from 20

Difference of, 20.25 - 20 = 0.25

Difference of, 20-19.36 = 0.64

As we know, 0.25<0.64

Hence, On number line square root closer to 4.5

Answer: 4.5 would be closer

Step-by-step explanation: 4.4x4.4 is 19.36 which is about 64 points away and 4.5x4.5 is 20.25 which is 25 points away

How many 5.6 kg are in g

Answers

Answer:

5600g

Step-by-step explanation:

Multiply by 1000 to convert from kg to gram

Answer:5600

Step-by-step explanation:

multiply the mass value by 1000

at 3:00 am, the temperature was -13 degrees. in alaska. At 10:00 am, the temperature was 22 degrees, what was the average change in temperature per hour?

Answers

If you go from -13 to 0, you have an increase of 13 degrees. Then if you go from 0 to 22 you have an increase of 22 degrees. 13 + 22 = 35.
3:00 am to 10:00 am is 7 hours so:
35 degrees/7 hours = 5 degrees/hour
Also english is my second langauge so sorry if it's hard to understand

So, there is a 7 hour span. There is 35 degree change total. So solve. Take 37/7=5
5 is the average

2 4/7 times 1/4 plz help i need help but m extremely stupid plz help

Answers

9/14 because u do 2 times 7 to get 14 and then add 4 and then multiply straight across

It is 9/14

*Turn 2 4/7 into an improper fraction by doing denominator x whole number x numerator, so 7 x 2 + 4.
* 2 4/7 turns into 18/7 and now you do 18/7 x 1/4 by doing numerator x numerator and denominator x denominator.
*The answer is 18/28 and when simplified it is 9/14 because I divided the numerator and denominator by 2.

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