MATHEMATICS MIDDLE SCHOOL

Every time Jason buys 2 red marbles he buys 1 blue marble. If y = the number of red marbles Jason buys, and x = the number of blue marbles Jason buys, which graph represents this direct variation? A)
B)
C)
D)
Every time Jason buys 2 red marbles he buys 1 - 1

Answers

Answer 1
Answer: If y is the red marbles and x is the blue marbles, then for every x value you would be able to multiply by 2 to get the y value... it is the equivalent of looking at is as the slope rise/run or 2/1

D is the graph that shows this relationship.  Look at the x value and multiply by 2 for the y value.
Answer 2
Answer: Answer= Grid D
Because when the line crosses on 2 (y-axis) it only goes right (x-axis)1 time. Also when it crosses on 4 (y-axis) it goes 2 steps to the right (x-axis). I hope it helped.

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Art supplies in Washington, D.C. Cost 28. If the sales tax is 6%, what was the total cost of supplies?

Answers

If the art supplies cost $28 and the sales tax is 6%, you must find 6% of 28. To do this, you must multiply 6 by 28, and then divide by 100. The result is 1.68. Then, to find the final cost, add the 6% of 28 (which is 1.68) to the original cost, $26, which is $29.68
Sales tax is:
$28.00* (6/100)= $1.68

$28.00+ $1.68= $29.68

The total cost of supplies was $29.68.

Which expression has a value of 8? A. (4 + 4) ÷ (4 • 4) B. 4 + 4 ÷ (4 • 4) C. 4 + (4 ÷ 4) • 4

Answers

The answer would be C

A) (4+4)/(4x4)=(8)/(16)=1/2
B) 4+4/(4x4)=4+4/(16)=4+(1/4)=4 1/4
C) 4+(4/4)x4=4+(1)x4=4+4=8

The answer is C

Prove my answer

4+ (4/4).4

4+(1)(4)

4+4 = 8


I hope that's help !

 

Enter the value of n so that the expression (ny + 25.7) + (–45.2y + 13.9) is equivalent to (–33.7y + 39.6).

Answers

Answer:

n=11.5

Step-by-step explanation:

we have

(ny+25.7)+(-45.2y+13.9)=(-33.7y+39.6)

Group terms than contain the same variable in the left side of the equation

(ny-45.2y)+(25.7+13.9)=(-33.7y+39.6)

Combine like terms in the left side

(ny-45.2y)+(39.6)=(-33.7y+39.6)

Simplify

ny-45.2y=-33.7y

ny=-33.7y+45.2

ny=11.5y

Simplify the y

n=11.5

Increase 200 by 17%



please help

Answers

the answer is to your question is 234
The answer for this question is 234

PLEASE HELP I GIVE THANKS

Answers

it is (C) because the line is ZERO meaning the line is vertical and since it goes through 5, it is y=5 cuz u always have the formula for slope; y=mx+b and since there is o x intercept you just stick with the y intercept which is 5 so long story short, it is y=5 (c)

A triangular flag has an area of 187.5 square inches. The base of the flag measures 25 inches. How tall is the triangular flag?

Answers

15 inches
the formula for the area of a triangle is Area=(1/2)(base)(height)
since the problem is looking for the height, we can rewrite it as
 Height=(Area)/((1/2)(Base))
then the number must be substituted in
Height=(187.5)/((1/2)(25))
and the answer is 15 inches.
To find the height, you would do the area divided by the base, or in this case,187.5 / 25 which equals 7.5 inches.  Hope this helped!
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