Answer:
4 square centimeters
Step-by-step explanation:
2x1 =2 ×2=4
Answer:
it is B (2,-2)
Step-by-step explanation:
if its to the right and up from the origin then it is opposite. if it it down or left then it is negative.
Answer:
4
Step-by-step explanation:
You need to try out all the numbers.
lets start with 4
if there where 4 red marbles then there would be 9 times as many marbles
so 4 x 9 = 36
Now we add and see if the sum is 40
36 + 4 = 40
We got it on the first try
You can use the same method on more problems like these.
Hope this helps :)
Answer:
22.) 2.0651
23.) 4.231
Step-by-step explanation:
22.) Substitute values into equation
(x)(y) + 2 =
(2.1)(0.031) + 2 = 2.0651
23.) Substitute values into equation
(y) + (x)2
(0.031) + (2.1)2 = 4.231