Answer:
H is 16.8
Step-by-step explanation:
If you multiply 5.6 times 3 you get 16.8 and then you add 5.6 because 0.56 times 10 equals 5.6
Solve for y on one of the questions. I'll do the second one. it will be y=3.25x+0.75. Plug it in for y in the other problem like this: -4.5x-2(3.25x+0.75). Solve. X= 5.5 and Y=18.625
4x - 3y = -11
-7x - 8y = 6
We need to cancel out one of the variables so let's multiply the first equation by 8 and the second by 3 and aim to cancel y.
32x - 24y = -88
-21x - 24y = 18
Now we subtract,
53x = -106
x = -2
3y = 4x + 11 = 4(-2) + 11 = 3
y = 1
Answer: (x,y)=(-2,1)
Check:
4(-2) -3(1) = -8 - 3 = -11, good
-7(-2) - 8(1) = 14 - 8 = 6, good
Answer:

Step-by-step explanation:
When you multiply exponents together, you simply add them.
-8 + 3 = -5.
Try, pls, this decision (step by step).
Point (5.8;-2;4.2) belongs to the plane and line.