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icang [17]
3 years ago
11

Help help HELP!!! PLEASE

Mathematics
1 answer:
Naily [24]3 years ago
6 0
Grapth the line using the slope and y intercept or two points
Slope 1/2
y intercept (0,1)
x y
-2 0
0. 1
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When will these two equations intersect <br>y=-2x +5<br>y = 1/3 x - 2 2​
max2010maxim [7]
-2x + 5 = 1/3x - 22
-7/3x = -27
-7x = -81
x = 81/7 or 11.57
They will intersect when x = 81/7 or 11.57
6 0
3 years ago
Mary wants to apply a strip of wallpaper along the walls just below the ceiling. If the room is a 14 ft by 12 ft rectangle, then
Yuliya22 [10]

Answer:

<h2>52 ft.</h2>

Step-by-step explanation:

In this case, we need to calculate a perimeter, which is the sum of all sides of the rectangle.

So, rectangles has opposite sides equal, therefore, the perimeter should be:

P=2 (L+l); having L as the larger side.

P=2(14+12)\\P=2(26)\\P=52

Hence, the strip of wallpaper needs to be as least 52 ft.

6 0
4 years ago
A circular piece of glass has a radius of 2.1 meters. The glass sells for $1.70 per square meter. What is the total cost of the
Vsevolod [243]
Hello! 

To find the total cost, we will need to multiply the cost per square meter, by the total area. To find the area we will use the formula A=<span>πr</span>². We will use 3.14 for pi.

We know that 2.1 is our radius. We will square it and then multiply it by 3.14.

2.1²=4.41
4.41(3.14)≈13.85

Our area is about 13.85. Now we will multiply by $1.70 to find the total cost. This gives us about $23.55.

The total cost of the glass would be about $23.55.

I hope this helps!


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Step-by-step explanation:

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