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Alik [6]
2 years ago
11

1. Find the slope of the line that passes through the points (-1, 2), (0, 5).

Mathematics
2 answers:
Wittaler [7]2 years ago
7 0
The slope is 3/1
hope this helps
mote1985 [20]2 years ago
4 0
I believe the slope for that would be 3/1. you would use the formula y2-y1 over x2-x1.     so it would be 5-2 over 0-(-1) and would end up with 3 over 1
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What is the area of a triangle with vertices (1,0) (5,0) (3,4)
Aleksandr-060686 [28]

Answer:

The area of the triangle is of 8 units of area.

Step-by-step explanation:

Answer:

The area of the triangle is of 21 units of area.

Step-by-step explanation:

The area of a triangle with three vertices (x_1,y_1),(x_2,y_2),(x_3,y_3) is given by the determinant of the following matrix:

A = \pm 0.5 \left|\begin{array}{ccc}x_1&y_1&1\\x_2&y_2&1\\1_3&y_3&1\end{array}\right|

In this question:

Vertices (1,0) (5,0) (3,4). So

A = \pm 0.5 \left|\begin{array}{ccc}1&0&1\\5&0&1\\3&4&1\end{array}\right|

A = \pm 0.5(1*0*1+0*1*3+1*5*4-1*0*3-0*5*1-1*1*4)

A = \pm 0.5*(20-4)

A = \pm 0.5*16 = 8

The area of the triangle is of 8 units of area.

3 0
3 years ago
A company purchased a machine for $970,000. the machine has a useful life of 12 years and a residual value of $4,500. it is esti
harina [27]
Cost less salvage value = 970,000 - 4500 = 965,500
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8 0
3 years ago
I’ll give points + brainalist for answer / explanation
Fynjy0 [20]

Answer:

C. the circumference of a circle

Step-by-step explanation:

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3 0
3 years ago
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Tomtit [17]
-6y^2 - 9y = -1

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y=  \dfrac{-9+ \sqrt{105} }{12}, \dfrac{-9- \sqrt{105} }{12}
8 0
3 years ago
Please I really need help (50 points)
Lady_Fox [76]

Answer:

PROOF FOR THE "PROVE" SECTION:

As linear pairs, angle 2 and 3 are supplementary to each other. Angle 1 is equal to angle 2, as they are both same-side interior angles. Therefore, angle 1 and angle 3 are also supplementary.

Filling in the missing blanks:

S1. Angle 1, Angle 2, Angle 3

S2. Angle 1 and Angle 2

R3. Congruent (___)

R5. supplementary angles

S7. Angle 1 = Angle 2, so Angle 1 can be substitued in for Angle 2 in any equation, and Angle 2 can be substitued for Angle 1 in any equation as well (they can replace each other, like x=y & y=x or a=b & b=a)

Hope this helped! Have a great day (pls mark brainliest)!!

4 0
2 years ago
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