Answer:
1) 
2) 
Step-by-step explanation:
1)
Subtract 15 from both sides
Divide both sides by 2
this shows that 10 is the right answer
2)
Add 3 to both sides
Divide both sides by 7
this shows that 3 is the right answer
Hope this helps
Answer:
24
Step-by-step explanation:
You input will always be your x so you just substitute x with 10 and simplify. Which is 30 minus 6, thus 24. :)
Answer:
It would be 139$
Step-by-step explanation:
In order to find a percent of a value you first move the decimal place over 2 to the left or divide by 100(percentage is no longer there). In this case it would be .20. You multiply that with the total number(695) and the product is your answer.
Answer:
288J
Step-by-step explanation:
recall the formula for kinetic energy
KE = (1/2) mv²
where m is the mass (= 4kg) and v is the velocity(=12 m/s)
hence
KE = (1/2) (4)(12)² = 288J
Answer:
9,765,625
Step-by-step explanation:
