Answer:
90kg
Step-by-step explanation:
it is so because, to decrease a number by a ratio you have to multiply with the smallest number and divide with the biggest one. For example 117 in the ratio 7:3. 117×3=351 which is divided by 7 and is equal to 50.14.
Answer:
I believe it is associative property of addition or commutative
Step-by-step explanation:
Answer:
x=-5
y=5
Step-by-step explanation:
Explanation is in picture (Where the lines cross is your answer)
Tip: Try using desmo calculator. Where the lines cross is your answer so all you need to do is type in your equations
Answer:
or 718.3775
Step-by-step explanation:
Formula:

we have
