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Semenov [28]
3 years ago
8

A line goes through the points (1,8) and (9,12) what is the slope of the line? Plz explain

Mathematics
1 answer:
Igoryamba3 years ago
8 0

Answer:

2/3 or 0.67

Step-by-step explanation:

Slope = y2 - y1 /x2 - x1

Given

x1 = 1

y1 = 8

x2 = 9

y2 = 12

Slope = 12 - 8 /9 - 1

= 4/6

Reduce is by 2

2/3

Or

0.67

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Somebody help #9 geometry
IrinaK [193]

Answer:

41.1units^2

Step-by-step explanation:

A=\frac{h_{b}b }{2} \\=\frac{8*4}{2} \\=16units^2(triangle)

A=\frac{\pi r^2}{2}\\\frac{\pi 4^2}{2}\\=25.13units^2(semicircle)

Add both together

16+25.13\\=41.13units^2

4 0
3 years ago
maren is painting some doors that are all the same size. she used 3 liters of paint to cover 9/5 doors. how many liters of paint
Basile [38]

Answer:

5/5

Step-by-step explanation:

5/5 because 9/5 equals 1.8 and that's over 1. If you have 5/5 it's 1 because your just saying 5 out of 5.

3 0
3 years ago
Whats the answer to this?
Tcecarenko [31]
I think that B is the most logical answer.


3 0
3 years ago
Find the taylor polynomial t3(x) for the function f centered at the number
Vlad [161]
e^{-3x}=\displaystyle\sum_{n=0}^\infty\frac{(-3x)^n}{n!}=1-3x+9x^2+\cdots
\sin2x=\displaystyle\sum_{n=0}^\infty\frac{(-1)^n(2x)^{2n+1}}{(2n+1)!}=2x-\dfrac{4x^3}3+\cdots

e^{-3x}\sin2x=\left(1-3x+9x^2+\cdots\right)\left(2x-\dfrac{4x^3}3+\cdots\right)
\approx T_3(x)=(1-3x+9x^2)\left(2x-\dfrac{4x^3}3\right)
T_3(x)=2x-6x^2+\left(18-\dfrac43\right)x^3
T_3(x)=2x-6x^2+\dfrac{50}3x^3
5 0
3 years ago
Prove the triangles are congruent
frozen [14]

Answer:

1: two sides and angle of one triangle are congruent.

Step-by-step explanation:

The triangles are congruent because two sides and the generated angle of a triangle correspond to their respective sections. If two angles and the side used in one triangle are identical.

Hope this helps

4 0
3 years ago
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