Answer:
21kg
Step-by-step explanation:
We will do this.
11x - 12 = 7x
11x - 4x = 7x
4x = 12
4x/4 = 12/4
x = 3
3 x 7 = 21
Laura weighs 21 kg.
Answer:
28
Step-by-step explanation:
Independent variables (IV): These are the factors or conditions that you manipulate in an experiment.
Dependent variable It is something that depends on other factors
A constant is a value or number that never changes in expression; it's constantly the same.
A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results.
I hope I was helpful
Answer:
3 2/7 or 23/7 cms
Step-by-step explanation:
So we know the volume of a prism = L * W * H
And with the given info we know = L=28 and W=20 and Vol=1840
we solve for H and we get 23/7