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babunello [35]
3 years ago
11

A store is having a buy-one-get-one-30%-off sale. During the sale, Christopher

Mathematics
1 answer:
mariarad [96]3 years ago
6 0

Answer:

Step-by-step explanation:

(30*48)/100 = 14.40

48 - 14.40 = $ 33.60

48 + 33.60 = $ 81.60

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What is the slope of the line passing through the points (−1, 3) and (4, −7) ?
alexira [117]

we know that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

in this problem we have

A(-1,3)\ B(4,-7)

substitute in the formula

m=\frac{-7-3}{4+1}

m=\frac{-10}{5}

m=-2

therefore

<u>the answer is the option A</u>

m=-2

5 0
3 years ago
Read 2 more answers
Help please I'm trying to graduate (Only #3)
lesya [120]
The pieces shown are like all of 8 slices of a pizza.

the area of cirlce = area of the rectangle formed by rearranging the pizza slices.
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5 0
3 years ago
What do you need to know?
cupoosta [38]

Answer:

incorrect

Step-by-step explanation:

the volume of a cube = s³ ( where s is the length of the side )

to find s take the cube root

s = \sqrt[3]{27} = 3

since 3 × 3 × 3 = 27


4 0
3 years ago
What ratio forms a proportion with 2/3?<br> A. 2/4 B. 3/4 C. 4/6 D. 3/2
LekaFEV [45]

Answer:

c

Step-by-step explanation:

because you can simplify 4/6 by 2.

2 goes into 4 twice and then 2 goes into 6 3 times

2/3

3 0
2 years ago
The open tray shown in the illustration is to be manufactured from a 18-by-19-inch rectangular sheet of metal by cutting squares
defon
Answer: You should cut out squares that are 4 inches by 4 inches.

One of the ways to do this problem is write and graph an equation. We can write an equation for the volume of this shape and then use a graphing calculator to graph it. If we look where the graph crosses 440, we will have our solution.

The volume needs to be 440. If we let x equal the side of the square that is cut out, we have the following dimensions.

Length = 19 - 2x
Width = 18 - 2x
Height = x

Volume = LWH

So our equation could be: y = (19 - 2x)(18 - 2x)x

If you graph that equation, it will intersect at the point (4, 440). Therefore, our square could be 4 by 4 inches.
8 0
3 years ago
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