MATHEMATICS MIDDLE SCHOOL

I need help arranging cards in a 4 x 4 grid with numbers 1-9 so that the sum of each row and each column is 20. This what the grid looks like:

Answers

Answer 1

Answer:

Answer:

8, 2, 8, 2

7, 3, 7, 3

6, 4 6, 4

9, 1, 9, 1

Step-by-step explanation:

In the picture, it shows two of each number so I'm gonna base it off the picture but let me know if I should base it off the wording.

So we know that half of 20 is 10. This will be valuable information. So we need the sum of two numbers to equal 10. So for the rows we can just do 8+2+8+2, 7+3+7+3, 6+4+6+4, 9+1+9+1.

Since there are 18 numbers, I'm assuming we don't have to use all of them.

Answer 2

Answer:

Answer:

9, 1, 9, 1

2, 8, 2, 8

3, 7, 3, 7

6, 4, 6, 4

Step-by-step explanation:

you would have to have the numbers repeat so it works, for instance, you could do 9,1,9,1 as the first row then 2,8,2,8 as the second row and for the third row you could do 3,7,3,7 and for the fourth row you could do 6,4,6,4 so both the columns and rows add to 20

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What is the value of the expression 5y2 + 4x when x = 2.5 and y = 3?A. 40

B. 55

C. 231.5

D. 235

Answers

THE ANSWER IS C. 231.5

Given: f(x) = +5 and g(x) = x - 2.What are the restrictions of the domain of f(g(x))?
O X=-5
O X=-3
o * 2
o There are no restrictions.

Answers

Answer:

its b

Step-by-step explanation:trust

Answer:

14838388÷+113

Step-by-step explanation:

because it has two zeros

What is the answer to 223÷1

Answers

223. You know this because 223 times 1 is 223
~JZ

There's a calculator on your computer you know

Simplest form of 17/68

Answers

1/4 Hope this helps :3

What is the surface area of a triangular prism with the length of 32 the width of 24 and the height of 18

Answers

The formula for volume is V=1/2 L.W.H
Therefore the correct way to find the volume is (24)(18)(32)= 13,824 divided by two =
6,912 unit3

X-Y3-4
9-?
18-24

What number is missing from the table of equivalent ratios?
A) 10
B) 12
C) 15
D) 16

Answers

b) 12

3•3=9 so 4•3=12

The answer is B) 12. This is because 3 times 6 is 18 and 4 times 6 is 24. 3 times 3 is nine so the answer must be 4 times 3. That is 12.

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