The ratio of boys to girls in a school is 4:5. How many boys are in the school if there are 720 students.
1 answer:
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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=12
Hope this helps.
-Benjamin
</span>
"<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=12
Hope this helps.
-Benjamin
</span>