Answer:
yesyesyesyes
Step-by-step explanation:
yesyesyesyesyes

Here we can simplify the product by multiply the square root 2 with square root 2 first.

=3*2
=6
So answer is 6
**4/5** is equal to .8, so 4/5 is the answer. to check, multiply .8 x 5 = 4
In simplest form it is 25 over 9
Answer:
(-13,-4)
Step-by-step explanation:
4x-8y=-20
9x+113=y
Substitute in y for 9x+113
4x-8y=-20
Substitute
4x-8(9x+113)=-20
Simplify
4x-72x-904=-20
Simplify
-68x-904=-20
Additive Prop. of Equality
-68x-904+904=-20+904
Simplify
-68x=884
Isolate the variable(x)
<u>-68x</u>=<u>884</u>
-68x -68x
Simplify
x=-13
Solve for y
9x+113=y
9(-13)+113=y
-117+113=y
-4=y
Check
4x-8y=-20
4(-13)-8(-4)=-20
-52+32=-20
-20=-20
9x+113=y
9(-13)+113=-4
-117+113=-4
-4=-4