56,000 would be the answer. If you divide the 42,000 by 3 then add your quotient to the original number you get his salary before tax.
97 rounds up to 100
78 rounds up to 80
100x80= 8,000
estimate=8,000
97x78=7,566
product=7,566
Answer:
D
Step-by-step explanation:
15 + 2x + x + 3 = 3x + 18
hope this helps
Answer:
The height is 2 units
Step-by-step explanation:
Find the area of the base of the square pyramid
we know that
The volume of the square pyramid is equal to

where
B is the area of the base and H is the height of the pyramid
we have


substitute in the formula and solve for B


step 2
Find the height of the square prism
we know that
The volume of the square prism is equal to

where
B is the area of the base and h is the height of the prism
we have


substitute in the formula and solve for h


Step-by-step explanation:
let d+e=2 be equation 1
let d-e=4 be equation 2
lets make d the subject in equa 1
d = 2-e equation 3
put equation 3 in 2
2-e=4
e=2-4
e=-2
put e=-2 in equa 1
d-2=2
d=4
e is -2 and d is 4