Answer:
y=-10
Step-by-step explanation:
-3(y+5)=15
y+5=15/-3
y+5=-5
y=-5-5
y=-10
Answer:
68F
Step-by-step explanation:
Given data
The formula F = 1.8C + 32
we want to find F for C= 20°C
Substitute into the formula we have'
F = 1.8(20) + 32
F=36+32
F=68
Hence the value of 20°C in Fahrenheit is 68F
Answer:
Step-by-step explanation:
Multiply it all and use the formula
Answer:
13
Step-by-step explanation:
Given x = 2, y = 3 and z = 4. We'll evaluate the value of x² + y² with given condition.
First, remind that we are only given the expression of x-term and y-term only and therefore, z-term is not included - it's not to be considered.
Substitute x = 2 and y = 3 in the expression:

Hence, the value of x² + y² when x = 2 and y = 3 is 13.
Please let me know if you have any questions!
Answer: To find the volume, you multiply length times width times height:
6*8*8 = 384 cubic inches
Hope this helps!