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Anuta_ua [19.1K]
4 years ago
11

How can you solve multiplication fast with no calculator?

Mathematics
1 answer:
lesantik [10]4 years ago
4 0
You study as much of the times tables as possible and once you have that information stored in your Brain, you use mental math. You can write it down on paper but that’s pretty time consuming if you go at a slow pace.
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A coat that usually costs $123 is marked 1/3 off.What is the sale price of the coat. Round to the nearest dollar
Brut [27]

Answer:

$82

Step-by-step explanation:

If the coat is 1/3 off then you pay 2/3 of the price. To find a sale price, multiply the cost by 2/3.

123(2/3) = 246/3 = 82

7 0
3 years ago
Can somebody please help me its for a test grade :((
skelet666 [1.2K]

Answer:

B

Step-by-step explanation:

To solve this you have to figure out how many pints are needed to get a gallon so you have pints which there should be 4 pints but you need more than 4 pints to make a gallon so multiply that by 2 then divide how much a gallon is to get the number of pints they drank in a week

8 0
3 years ago
Read 2 more answers
A castle has to be guarded 24 hours a day five knights are ordered to split each day's guard duty equally how long will each kni
disa [49]

Answer:

Each knight will 4.8 hrs spend on guard in one day

Step-by-step explanation:

A castle has to be guarded 24 hours a day 5 knights are ordered to split each day's guard duty equally

Each knights has to guard equally l.e for equal time .

That means 24 hours time has to be equally divided among the 5 knights

= 24 / 5 = 4.8

Each knight will spend on guard in one day = 4.8 hrs

4 0
3 years ago
5x+3y=17 x+y=4 substitution
solmaris [256]
Group the xs and the ys, 17+5= 22x 3+1=4y so y=4 and x=22.
4 0
2 years ago
What number should be added to this expression to change it into a perfect square trinomial?
Licemer1 [7]
C. 4 because 4 is a perfect square, as well as x^2 and 4x


I hope that helps!
3 0
3 years ago
Read 2 more answers
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