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KonstantinChe [14]
3 years ago
9

Please help me with this

Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0
160•.60=96
160-96=64
the discount is 96 and the amount after the discount is 64 i think
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The scale on a map is stated as 1:250000 two villages are 7 cm apart on the map. How far from each other are the two villages in
a_sh-v [17]

Answer: 1750000

Step-by-step explanation: you should be able to multiply 7 by 250000, since 1 cm = 250000 kilometers

4 0
3 years ago
The formula for the area of a trapezold with altitude k and bases m and n is A=k/2(m+n)
Ghella [55]

Answer:

m=\frac{2A-kn}{k}

Hence, option C is true.

Step-by-step explanation:

Given the expression

A=\frac{k}{2}\left(m+n\right)

Solving for 'm'

A=\frac{k}{2}\left(m+n\right)

Flip the equation

\frac{k}{2}\left(m+n\right)=A

Expanding by applying the distributive law: a\left(b+c\right)=ab+ac

\frac{1}{2}km+\frac{1}{2}kn=A

Add (-1)/2 × kn to both sides

\frac{1}{2}km+\frac{1}{2}kn+\left(-\frac{1}{2}kn\right)=\left(-\frac{1}{2}kn\right)+A

simplify

\frac{1}{2}km=-\frac{1}{2}kn+A

Divide both sides by k/2

\frac{\frac{1}{2}km}{\frac{k}{2}}=\frac{-\frac{1}{2}kn+A}{\frac{k}{2}}

m=\frac{2A-kn}{k}

Therefore,

m=\frac{2A-kn}{k}

Hence, option C is true.

7 0
3 years ago
Pauley graphs the change in temperature of a glass of hot tea over time. He sees that the function appears to decrease quickly a
denpristay [2]
As the liquid gets closer to the same temperature as the room, it cools down slower. If you put an glass of hot cocoa in a really cold room, it'll decrease really fast until it's around the same temperature as the room

3 0
3 years ago
2y+3x=90 what is x and y
yan [13]

If x=-6 then y=54.
If x=-4 then y=51.
If x=-2 then y=48.
If x=0 then y=45.
If x=2 then y=42.
If x=4 then y=39.
If x=6 then y=36.

There are an infinite variety of pairs of numbers for 'x' and 'y'
that can make that equation true.

You can use that equation to draw a  line on a graph.  Then
EVERY point on the line is a solution to the equation.

'x' and 'y' don't have single values unless you have TWO equations.

4 0
3 years ago
The button on ernestos shirt has a diameter of 8 millimeters.what is the buttons radius
erma4kov [3.2K]

Answer:

4 mm

Step-by-step explanation:

The radius is half the diameter, so in this case the radius of each button is 4 mm.

5 0
3 years ago
Read 2 more answers
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