MATHEMATICS MIDDLE SCHOOL

How do you regroup 607 -568

Answers

Answer 1

Answer:

Answer:

By changing group of ones into tens

Step-by-step explanation:

Regrouping refers to changing group of ones into tens to make subtraction easy.

Here, we need to regroup 607 -568 .

In subtraction, we start subtracting digits from ones place.

In number 607, digit at ones place is 7 and in 568, digit at ones place is 8.We can't subtract 8 from 7, so, we will try to borrow 1 from the digit at tens place in 607, but digit at tens place in 607 is 0, so it's possible to take 1 from 0.

So, first we will take 1 from 6 ( digit at hundreds place in 607 is 6 such that 6 becomes 5 ) to 0 at tens place which will become 10 then take 1 from 10 to 7 which will then become 17.

Then , we will subtract 8 from 17.

From the figure:

Cross out the 6, make it a 5 and shift 1 which we have subtracted from 6 to 0 such that 0 becomes 10 then cross the 10, make it a 9 and shift 1 which we have subtracted from 10 to 7 such that 7 becomes seventeen .

Answer 2

Answer: Cross out the 6 make it a 5 then make the 0 a 10 then cross the 10 out make it a 9 and the 8 an eighteen then subtract it all

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Which ratio in the form A:B is equivalent to the ratios in the table?

Answers

As per the given data in the table, the required ratio of $A:B$ is equivalent to $1: 4$ .

What is the ratio of two numbers?

"A ratio is a quantitative relationship between two numbers that describe how many times one value can contain another."

1. $A:B = 2:8 = 1:4$

2. $A:B = 3:12 = 1:4$

3. $A:B = 4:16 = 1:4$

4. $A:B = 5:20 = 1:4$

Therefore, the required ratio of A and B is $1: 4$ .

Learn more about the ratio of two numbers here: brainly.com/question/25756758

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Answer:

1:4

Step-by-step explanation:

2 devided by 8 is 4 3 devided by 12 is 4 and it goes on and on trust me

Four more than twice a number is 8

Answers

Lets say the number equals x

Four more than twice a number is 8

4 more than twice a number is 8

4 more than twice x is 8 (twice means 2 times)

4 more than 2x is 8 (more than means to add)

2x + 4 is 8

2x + 4 = 8

2x = 8 - 4

2x = 4

x = 4/2

x = 2

Four more than twice a number…..the root of this problem is 2. Twice 2 is 2x2 = 4 and then four more that number is 4 + 4 = 8.

Hope this helps. :)

Kathy is playing a board game. The game pieces are each in the shape of a triangle. Each triangle has a base of 1.5 inches and a height of 2 inches. What is the area of a game piece?

Answers

area=1/2*base*height
=1/2*1.5*2
=1.5 inches

How to work math problem -7/9(x=3)=14

Answers

$-(7)/(9)(x+3)=14\ \ \ \ \ |multiply\ both\ sides\ by\ (-(9)/(7))\n\n(-(\not9^1)/(\not7_1))*(-(\not7^1)/(\not9_1))(x+3)=-(9)/(7)*14\n\nx+3=-9*2\n\nx+3=-18\ \ \ \ \ |subtract\ 3\ from\ both\ sides\n\n\boxed{x=-21}$

-7/9(x=3)=14

-7/9x-7/3=14 (distribute)
-7/9x=49/3 (add 7/3 to both sides)

x=-21 (divide 49/3 by -7/9)

you can check if its correct by substituting back into the original equation

Estimate the sum to the nearest whole number

29.1 +78.9 + 41.5

Answers

I rounded each number to the nearest whole number and added those.

29 + 79 + 42 = 150

If you add the original numbers you would get 149.5, which rounds to 150.

when you estimate the sum to the nearest you add one number if the decimal is over 5. 29+79+42 = 150

What is the value of 3 in 23

Answers

Units.units units units units

Ones. There are 3 ones

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