Subtract 5x from both sides, 7x+2=-26, subtract 2 from both sides, 7x=-28, divide both sides by 7, x=-4
Answer:
18000/67 是 268.657
希望有帮助:)
Step-by-step explanation:
Answer: Your answer is B.840
Step-by-step explanation:
What you do first is the exponents 10^2 is 100
8.4 x 100 is 840 because when you multiply you move the decimal points the amount of zero's you have to the right but when you divide you do the opposite. You go left the amount of zeros there are.
Answer:
4
Step-by-step explanation:
The volume of a sphere is equal to 4/3πr³.
Set up the equation;
4/3πr³=256π/3
Multiple both sides by 3/(4π):
r³=64
r=∛64=4 (ans)
Answer:
C. 5/7
Step-by-step explanation:
