How many quarter hours are in 5 hours?

Answers

Answer 1

Answer: There is a few ways to get the result.
Lets try this.
First calculate how many minutes are in the 5 hours.
60min*5=300min - in 5 hours
Now, knowing that quarter is 15min we can divide 300 by 15 to get the result, so
300:15=20 - its the result.

Answer 2

Answer: i would do this with a proportion. we know 4 quarter hours are in 1 hour, so how many are in 5?
4/1 = x/5
cross multiply
1*x=4*5
x=20
there are 20 quarter hours in 5 hours.

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9.9g of sugar is needed for every cake made. How much sugar is needed for 8 cakes?

Answers

Answer:

79.2 g of sugar is needed.

Step-by-step explanation:

9.9 times 8 is 79.2.

You can prove this by dividing 79.2 by 8 and you will get 9.9 as the answer.

Answer:

See answer below

Step-by-step explanation:

Hi there,

Get started by developing a relationship between the amount of sugar for 1 cake. We can use dimensional analysis to solve this.

$(9.9 \ g \ sugar)/(1 \ cake)$

Now, we know that we need 8 cakes. We put 1 cake on the bottom of the fraction so that it cancels out with the 8 cakes unit:

$(9.9 \ g \ sugar)/(1 \ cake)$ $* \ 8 \ cake = 9.9 g \ sugar * 8 = 79.2 g \ sugar$

thanks,

What is 1000 times 20

Answers

The required, 1000 times 20 equals 2000, as of the given condition.

What is arithmetic?

Arithmetic is a branch of mathematics that deals with the study of numbers, their properties, and their operations. It involves the basic operations of addition, subtraction, multiplication, and division, as well as more advanced operations such as exponents, roots, logarithms, and trigonometric functions.

Here,

To multiply 1000 and 20, we can follow these steps:

Step 1: Multiply the one's place digits

0 (one place digit of 1000) multiplied by 0 (one place digit of 20) equals 0.

Step 2: Multiply the tens place digits

0 (tens place digit of 1000) multiplied by 2 (tens place digit of 20) equals 0.

Step 3: Multiply the hundreds place digits

0 (hundreds place digit of 1000) multiplied by 0 (hundreds place digit of 20) equals 0.

Step 4: Multiply the thousands of place digits

1 (thousands place digit of 1000) multiplied by 2 (thousands place digit of 20) equals 2000.

Step 5: Add up the products obtained in steps 1-4.

0 + 0 + 0 + 2000 = 2000.

Therefore, 1000 times 20 equals 2000.

Learn more about arithmetic here:

brainly.com/question/11424589

#SPJ5

the answer is 20,000

Why is 4/6 less than 5/7

Answers

If you take 4/6, you divide so it will be 0.6667... and then if you take 5/7 you divide again, and then it will be 0.7143...

lcm = 2 x 3 x 7 = 42

4/6 = 28/42
5/7 = 30/42

28/42 is less than 30/42
4/6 is less than 5/7

Two friends, Hazem and Keith, recorded the number of songs they downloaded each month for 1 year. Each calculated the mean and MAD of the number of songs downloaded so they could compare the results. What conclusion can be drawn, based on the value of the means-to-MAD ratio? Friend Mean MAD Hazem 9.8 3.6 Keith 11.2 3.4 A. Hazem and Keith downloaded about the same number of songs per month. B. Hazem downloaded more songs per month than Keith did. C. Keith downloaded more songs per month than Hazem did. D. No conclusions can be drawn.

Answers

Given:
Friend Mean MAD
Hazem 9.8 3.6
Keith 11.2 3.4

Mean = total number of songs / 12 months
total number of songs = mean * 12 months
Hazem: 9.8 x 12 = 117.6 songs
Keith: 11.2 x 12 = 134.40 songs

C. Keith downloaded more songs per month than Hazem did.

Explain how you can tell, without computing, whether the quotient 1/2 ÷6 is greater than 1 or les than 1.

Answers

when dividing, if your first number is smaller than your second number, its going to be less than 1.
Vice versa: if your first number is greater than your second number, its going to be greater than 1.
Hope this helps :)

you can tell its going to be less because you are dividing a number less than 1 already

If the first step in the solution of the equation -9 + x = 5x - 7 is "subtract x," then what should the next step be?

Answers

add 7
so it will be like this

-9 + 7 = 5x - x
-2 = 4x
divide by 4
$(-2)/(4)$ = $(4x)/(4)$
x = $(-1)/(2)$

Answer:

add 7

Step by step explain:

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