3 years ago

How can we add without a caculator

Mathematics

2 answers:

barxatty [35]3 years ago

6 0

Put your problem on paper

anastassius [24]3 years ago

3 0

By using your fingers or doing it in your head

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Fill in the blank.

goldenfox [79]

Answer:

In the given expression x:6 :: 3:9 , x = 2

Step-by-step explanation:

Here, the given expression is:

x:6 :: 3:9

or, x : 6 = 3 :9

So, by the RATIO OF PROPORTIONALITY:

$\frac{x}{6} = \frac{3}{9}\\\implies x = \frac{3}{9} \times 6 = 2$

or, x = 2

Hence, in the given expression x:6 :: 3:9 , x = 2

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3 years ago

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8 x 10-3 is how many times as great as 4 x 10-6?

Levart [38]

Answer:

About two times greater.

Step-by-step explanation:

8 times 10 minus 3 equals 77.

4 times 10 minus 6 equals 34.

77 minus 34 is 43

43 minus 34 is 9.

34 can only be put into 77 two times

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3 years ago

The LCD for 3/10, 20/25, and 18/75 is

Marizza181 [45]

The LCD for 3/10,20/25,and 18/75 is 150

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3 years ago

Rick has 1/2 of a footlong sub left from yesterday. He ate 1/3 of the leftover sandwich as a snack. What fraction of the entire

Lelechka [254]

The answer is 1/6 of the sandwich

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3 years ago

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Consider a graph of the equation y = −3x + 4. What is the y-intercept? (5 points)

Mariana [72]

Answer:

The y-intercept would be 4

Step-by-step explanation:

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3 years ago