MATHEMATICS MIDDLE SCHOOL

A dance studio is purchasing tutus for an annual performance. The table represents the number of tutus available for different prices. The director wants to place an order for the LEAST EXPENSIVE DEAL and the MOST EXPENSIVE DEAL. Calculate the average unit price for each tutu the director orders. A) $25 B) $28 C) $30 D) $33

Answers

Answer 1

Answer:

Answer:

30$ C

Step-by-step explanation:

Answer 2

Answer:

Final answer:

To calculate the average unit price of the tutus, you would normally divide the total cost by the quantity. This would give you the cost per tutu. However, without information on quantities, we can't compute averages. The director should examine the table for the deals with the lowest and highest average unit costs.

Explanation:

From the given problem, it seems more information is needed. Normally, a table would offer pairs of information with the cost per tutu at different quantities. If we had a total cost and a quantity, we could calculate an average by dividing the total cost by the quantity. For example, if the director orders 10 tutus at a total cost of $250, the average unit price for each tutu would be $250/10 = $25 per tutu. Similarly, if 10 tutus cost $330, we would calculate $330/10 to get $33 per tutu. However, without the quantities, we can't make these calculations. The director should carefully examine the table listing unit prices and quantities and choose the deal with the lowest average unit cost for the least expensive deal and the deal with the highest average unit cost for the most expensive deal.

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Help Meh PleAse: Fill in the blanks Which functions have a positive rate of change and which have a negative rate of change?
Column A Column B
1.____ 2x + 3y = −9 A.Positive
B.Negative
2._______ y = 3x − 6

3.______
x y
−1 9
0 7
1 5

4.______
x y
2 −8
3 −7
4 −6

Answers

$\sf2x+3y=-9$

Convert to slope-intercept form, y = mx + b.

$\sf2x+3y=-9$

Subtract 2x to both sides:

$\sf3y=-2x-9$

Divide 3 to both sides:

$\sf~y=-(2)/(3)x-3$

Now it's in slope intercept form, y = mx + b where 'm' is the slope. So the slope here is -2/3, which is Negative.

$\sf~y=3x-6$

This is already in slope intercept form. So the slope here is 3, which is Positive.

For #3 and #4, take any two points from the table and plug them into the slope formula.

$\sf~m=(y_2-y_1)/(x_2-x_1)$

Let's take (0, 7) and (1, 5).
x1 y1 x2 y2

$\sf~m=(5-7)/(1-0)$

Subtract:

$\sf~m=(-2)/(1)$

Divide:

$\sf~m=-2$

So the slope is negative.

For #4, let's take (2, -8) and (3, -7)
x1 y1 x2 y2

$\sf~m=(-7-(-8))/(3-2)$

Subtract:

$\sf~m=(1)/(1)$

Divide:

$\sf~m=1$

So the slope is positive.

What is the equation of the function that is graphed as line b?y = 1/2x - 1
y = 2x + 1
y = 1/2x + 1
y = -4x

Answers

-- Look at the places where the line crosses the 'x' axis and the 'y' axis.
   Between those two points, it goes forward 2 units, but only rises 1 unit.
   So the slope of the line is 1/2 .

-- Look again at the point where the line crosses the y-axis.
   At that point, y=1 .
   That's the "y-intercept".

Now you have the slope and y-intercept of the line.

The equation of ANY straight line is

   y = (slope)x + (y-intercept) .

You know what they both are, so you can easily write

   y = 1/2 x + 1 .

Is that one of the choices ?
Yes it is.
Good enough for me.
That must be the correct one.

With no "blah blah blah" required.

Y=1/2x+1. I need to make it longer so blah blah blah.

If you answer,can any of help me with this.

Answers

Answer

Step-by-step explanation:

do 32+12=44

80-44=36

36/6=6

Steven got a one time $90 bonus. He got paid $330. How much did he make before his bonus?

Answers

Answer:$240

Step-by-step explanation:

Kevin draws a figure that has four sides.All sides are the same lengthHis finger has no fight angles.What figure does Kevin draw

Answers

If all four sides are the same length but his finger
has no fight angles, then it's a quadrilateral that is
also a parallelogram and a rhombus.

It would then be called a quaderateral shape because it has all the same sides

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Answers

1.) 24 (8*3)
2.) 10 (10*1,5*2)
3.) 42 (7*6)
4.) 12 (3*4,12*1)

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