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PSYCHO15rus [73]
3 years ago
14

A thrift store was selling an Atari 2600 for $80 before deciding to have a

Mathematics
1 answer:
-BARSIC- [3]3 years ago
5 0

Answer:43.2

Step-by-step explanation:

first you do 80-40% and then -10%

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What is the graph of the system y = –2x + 3 and 2x + 4y = –8?
velikii [3]
Hello,

Answer A (graph most left)

Intersection is (10/3,-11/3)

y=-2x+3
y=-2-x/2
so -2x+3=-2-x/2
==>3x/2=5 ==>x=10/3
and y=-2*10/3+3=-11/3


8 0
4 years ago
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With reference to exponential forecasting models, a parameter that provides the weight given to the most recent time series valu
Tresset [83]

Answer: Smoothing constant

Step-by-step explanation:

4 0
3 years ago
I really need this answer right away i will give you brainliest what is 1.50j + 30 < 32
KengaRu [80]

Answer:

1.50 is what percent of 32

what percent of 32 is 1.50 ?

Solution: 1.50 is what percent of 32 is equal to (1.50 / 32) x 100 = 4.69%. So if you buy an item at $32 with $1.50 discounts, you will pay $30.5 and get 4.69% discount cashback rewards so 4.69 is your answer

Step-by-step explanation:

Hope this helps

8 0
3 years ago
if a rectangle has a greater perimeter than another rectangle, does it also have a greater area? Explain.
Lemur [1.5K]
No.

The maximum possible area given a constant amount of material for a quadrilateral will always be a square.

For example if the material for the perimeter is 64 we can form a rectangle that is 22 by 10 which will have an area of 220 u^2.

However a square using the same amount of material will have sides of 64/4=16 and an area of 16^2=250 u^2

So in general the area is maximize the closer the sides are to being equal and minimized as the difference between the sides becomes greater.  In the case of comparing the material, perimeter, of a rectangle to a square for the same amount of material the square will use less material than the rectangle.

A square can have a smaller perimeter and a greater area that a rectangle.

In the example above the rectangle had a perimeter of 64 u and an area of 220 u^2.  If we made a square with just 60 u, it would have an area of 225 u^2.
4 0
3 years ago
Xavier, Yolanda and Sara shared some money. Yolanda received 40% more money than Xavier, and Zara received 60% of Yolanda's shar
leonid [27]

Answer:

Step-by-step explanation:

Xavier, Yolanda and Zara shared some money.

Let x represent Xavier's share

Let y represent Yolanda's share

Let z represent Zara's share.

Yolanda received 40% more money than Xavier. This means that

y = x + 40/100×x = x + 0.4x = 1.4x

Zara received 60% of Yolanda's share. This means that

z = 60/100× 1.4 = 0.6×1.4 = 0.84x

. If Zara received $1,176, then,

0.84x = 1176

x = 1176/0.84 = 1400

y = 1.4 × 1400 = $1960

z = 0.84 × 1400 = $1176

The sum of the money is

1400 + 1960 + 1176 = $4536

6 0
3 years ago
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