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3 years ago

7

Damarcus and Xavier went to the arcade to play their two favorite games. Damarcus played 4 rounds of game 1 and 6 rounds of game

2 for $18.00. Xavier played 5 rounds of each game for $20. What is is the cost of game 1?

2 answers:

nlexa [21]3 years ago

8 0

Answer:

I think the cost of game 1 is $8

Step-by-step explanation:

dezoksy [38]3 years ago

4 0

The cost of one game is 8

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ms. reynolds, the math teacher, was disappointed to announce that only 22% of her 68 students passed an exam. How many students

Ratling [72]

Either a student passes an exam or fails it. that means the percentage of students who pass plus the percentage of students who fail must add to 100%. this also means that if 22% pass, then 78% fail. there are 68 students total and 78% fail so the number of students failing is:
(78/100)(68) = 53.04 which is approximately 53 students.

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3 years ago

Four time a number r plus half a number s equals 12. Twice the number r plus one fourth of the numbers s equals 8. What are the

Snezhnost [94]

The system of equations have no solution.

Explanation:

The equations are $4r+\frac{1}{2}s=12$ and $2r+\frac{1}{4} s=8$

To find the two numbers, let us solve the equations using substitution method.

From the equation $2r+\frac{1}{4} s=8$ , let us determine the value of r,

$\begin{aligned} 2 r+\frac{1}{4} s &=8 \\ 2 r &=8-\frac{1}{4} s \\ r &=\frac{1}{2}\left(8-\frac{1}{4} s\right) \\ r &=4-\frac{1}{8} s \end{aligned}$

Let us substitute the value of r in $4r+\frac{1}{2}s=12$ , we get,

$\begin{aligned} 4\left(4-\frac{1}{8} s\right)+\frac{1}{2} s &=12 \\ 16-\frac{1}{2} s+\frac{1}{2} s &=12 \\ 16 &=12 \end{aligned}$

which is not possible.

This means that the system has no solution.

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3 years ago

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3 years ago

What lever has resistance between the axis (fulcrum) and the force (effort)? A. first B. second C. third D. fourth Please select

luda_lava [24]

Answer:

The correct option is B- second

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3 years ago

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Which 3-D object is a polyhedron?<br> A. sphere<br> B. cube <br> C. cone

Levart [38]

Answer:

The answer is A.

Step-by-step explanation:

A polyhedron is a three-dimensional solid made up of polygons. It has flat faces, straight edges, and vertices. For example, a cube, prism, or pyramid are polyhedrons.

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2 years ago