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xxMikexx [17]
3 years ago
8

Helpppppppppppppp please

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

Answer: t+20 = 60


Step-by-step explanation:


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Write the equation of the line that passes through the points (8, –1) and (2, –5) in standard form, given that the point-slope f
Shkiper50 [21]
The standard form is pretty much the variables on the left-hand-side and the constant alone by herself on the right-hand-side, with only positive integers on the x-variable and an integers all around.

\bf y+1=\cfrac{1}{2}(x-8)\implies y+1=\cfrac{1}{2}x-4\implies y=\cfrac{1}{2}x-5
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-\cfrac{1}{2}x+y=-5\implies \stackrel{\textit{multiplying both sides by -1}}{\cfrac{1}{2}x-y=5}
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\stackrel{\textit{and multiplying both sides by the LCD 2}}{x-2y=10}\impliedby standard~form
3 0
4 years ago
Find the area of rectangle ABCD
salantis [7]

Answer: 12

Step-by-step explanation:

You can find the area of a rectangle that forms around it, and then subtract the little extra triangles. You can form a 5 by 5 square around the points. There are 4 extra little triangles. Two of them have a base and height of 2 and 2. Two of them have a base and height of 3 and 3. So you get the total area of those 4 triangles to be: 2+2+4.5+4.5=13. So 25-13=12.

7 0
3 years ago
My very last last assignment and I NEEDD HELP ASAP
storchak [24]

Answer:

51.575

Step-by-step explanation:

s =   \frac{9 + 12 + 17}{2}  = 19

area =  \sqrt{19(19 - 17)(19 - 9)(19 - 12)}  \\  = 51.575

6 0
3 years ago
Please help (pic below)
dimulka [17.4K]
Check the picture below, just to clarify

8 0
3 years ago
Which is an equation of the line that passes through the points 1,3 and -1,1
Klio2033 [76]

Answer:

1

Step-by-step explanation:

y2-y1/x2-x1

so thats the equation so basicly just plug in the #s

1-3/-1-1

-2/-2 = 1

3 0
3 years ago
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