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fenix001 [56]
3 years ago
9

11. Which of the following points is on the

Mathematics
1 answer:
GenaCL600 [577]3 years ago
4 0

Answer:

B. (2,1)

Step-by-step explanation:

Substitute the first value from the parentheses for x, and the second value for y in the equation.

Calculate.

If the answer is true, the point is a solution on the line.

3(2) -5(1) = 1

6 –5 = 1

1 = 1. True. point B is a solution on the line.

D* <em>for</em><em> </em><em>example</em><em>:</em>

3(2) -5(3) = 1

6 - 15 = 1

–9 = 1 False. This is not a solution on the line.

<em>You</em><em> </em><em>get</em><em> the</em><em> </em><em>idea</em><em>.</em><em> </em><em>The </em><em>others </em><em>are </em><em>also </em><em>false</em><em>.</em>

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Answer:

The rectangle has a width of 18 inches and a height length of 8 inches.

Step-by-step explanation:

The perimeter of a rectangle is described by the equation:

p = 2w + 2l

where <em>l</em> is width, <em>h</em> is height, and <em>p</em> is perimeter.

We're also told that the total perimeter is 52 inches.

We're also told that the length is six inches less than three times the width.  We can express that as w = 3l - 6.

We can plug that definition of w into the perimeter equation to find the length:

p = 2w + 2l\\52 = 2(3l - 6) + 2 * l\\52 = 6l - 12 + 2l\\52 + 12 = 8l\\8l = 64\\l = 64/8\\l = 8

Now we can take that and the given perimeter, and substitute those into the perimeter equation to find the width:

p = 2w + 2l\\52 = 2w + 2(8)\\52 = 2w + 16\\36 = 2w\\w = 36 / 2\\w = 18

So the width is 18

7 0
3 years ago
A toy manufacturer wants to minimize her cost for producing two lines of toy airplanes. Because of the supply of materials, no m
andrey2020 [161]
Since Flying Falcon cost($8) is cheaper than Flying Bat($12), then the minimum possible cost each day would be the maximum possible Flying Falcon produced.
The maximum flying falcon produces is 60/day. Then, the amount of flying bat produced would be:

total= falcon + bat
70= 60+bat
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The minimum possible cost: falcon * falcon_cost + bat * bat_cost = 60*$8 + 10*$12 = $480+$120= $600
8 0
3 years ago
A train is traveling at 30 miles per hour. How long will it take the train to travel 180 miles?
Musya8 [376]
3.6 hours because if u distribute it an d devide 1.80 by 30 it will be 3.6 hours

5 0
3 years ago
8=8p+13−3p please help ​
Elenna [48]

Answer:

-1=p

Step-by-step explanation:

8=8p+13-3p

8-13=8p-3p

-5=5p

-5÷5=5p÷5

-1=p

8 0
3 years ago
100.00=137.76/(1+r)^5<br> solve for r<br><br> thanks much
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(1+r)^5=137.76/100
1+r=(137.76/100)^(1/5)
R=(137.76/100)^(1/5))-1
5 0
3 years ago
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