Answer:
-5 divide by 28
Step-by-step explanation:
so the question supposed be " 15-20 divided by 2(4) + 20
15-20 which is also 15 + (-20)= -5
2(4)=8, 8+20=28
so it can simplify into -5 / 28
(hope it helps :)
Answer: 1/24
Step-by-step explanation:
1/2 divided by 12
Answer:
k = -4 or 2
Step-by-step explanation:
For the lines to be parallel, the lines would need to be the same slope. This means to find the slope of each we would take the difference of the rise over the run.

and

To find K, set them equal.

Factor the quadratic and solve for K.

k+4=0 so k=-4
k-2=0 so k=2
Greetings!
"<span>Six times a number increased by 20 is four less than eight times the number. Find the number."...
This would be, as an equation:
</span>

Solve:
Add
4 and
-6x to both sides.

Simplify.

Divide both sides by
2.

Simplify.


<span>
x=12Hope this helps.
-Benjamin
</span>
Answer:
Both lights would flash together after every 30 seconds.
Step-by-step explanation:
6 = 2 * 3 and 10 = 2 * 5.
LCM (Least Common Multiple) of 6 and 10 = 2 * 3 * 5 = 30.
Therefore, both lights wold flash together after every 30 seconds.