Jonathan has a collection of 400400400 marbles. Blue marbles make up 17\%17%17, percent of his collection. How many blue marbles
1 answer:
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Answer: a
Infinitely many
Step-by-step explanation:
Solve by substitution:
1) Solve for
:
2) Substitute for
in
:
3) Simplify both sides of the equation:
4) Add -2 to both sides of the equation:
5) Simplify both sides of the equation:
Therefore, there are infinitely many solutions.
Solve by elimination:
You cannot solve this system by elimination
Solve by graphing:
The equations are on top of each other, therefore, the system of equations has infinitely many solutions.
Here we have three similar triangles
In similar triangles sides are in proportion
The altitude to the hypotenuse of a right triangle is the mean proportional between the segments into which it divides the hypotenuse.
We cross multiply to solve for y
Taking root of both sides
y=8