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Damm [24]
3 years ago
13

How do I multiply a decimal with another decimal?

Mathematics
2 answers:
Lapatulllka [165]3 years ago
6 0
If you have no calculator, pretend like the decimals aren’t there then add them back depending on how many places you have after the decimal. for example: 2.5 times 2.5, if you pretend there are no decimals, you get 625, then you have to add the decimals back. since you have 1 digit after each decimal in each number, you add 1+1=2 to get the number of places you have to add back. so you get 6.25
Black_prince [1.1K]3 years ago
6 0

Answer:

You can use multiplication normally. But then you must add the decimals

Step-by-step explanation:

Lets do 24.56 x 32.78

It would equal 8050768 without decimal points

But now we must add the decimal points in, count the amount of numbers that appear after the decimal, which is 4

So 8050768 = 805.0768

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Functions assignment<br> Y= 2/3x+20 <br> When x=21 what is the function and solution
Nonamiya [84]

Answer:

y = 2/3 (21) + 20 (plug it in and multiply)

y = 14 +20 (add)

y = 34

(21,34)

Step-by-step explanation:

i hope this helps :)

3 0
3 years ago
If (2 − 3i) + (x + yi) = 6, what is x + yi?
Andrew [12]
(2 - 3i) + ( x + yi) = 6
(x + yi) = 6 - (2 - 3i)
Distribute the - to the 2 - 3i and get
x + yi = 6 - 2 + 3i
Accumulate like terms.
x + yi = 4 + 3i. Answer
5 0
3 years ago
Paul drove 225 miles to visit his parents. The graph below shows the distance traveled and the total time of the trip. Write and
ziro4ka [17]

50mph

Step-by-step explanation:

The image of the motion of Paul's derive is attached already.

From the line graph we can obtain a lot of information that will help us unravel the average speed of Paul within the given time frame.

What is average speed?

 Average speed is the rate of change of total distance covered with time taken .

Average speed = \frac{total distance }{time}

To find the total distance covered;

 Distance at time 1 = 75miles

  Distance at time 4 = 225miles

Distance covered between 1 - 4 = 225 - 75 = 150miles

Time taken for the journey = 4 - 1 = 3hrs

Input the values in the equation;

   Average speed = \frac{150}{3} = 50mph

learn more:

Speed and motion brainly.com/question/10048445

#learnwithBrainly

5 0
3 years ago
Can someone help me with this two step equation
hjlf
You have to distribute the 4 to the numbers in the parenthesese. So 4 times 3x which is 12x and 4 times 5 which is 20 so now you get 12x plus 20 equals 8. Now you have to subtract 20 from 8 which is -12 so now you have 12x=-12 now divide the 12 from x and 12 from -12 and so now you have x=-1
3 0
3 years ago
How do I find an increase of 42 from 72
qwelly [4]
114 its is just 72+42
6 0
3 years ago
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