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weeeeeb [17]
3 years ago
15

Find the distance between each pair points (-5,3) , (-4,-5)?

Mathematics
1 answer:
tester [92]3 years ago
7 0

The distance formula is d=√(x2-x1)² + (y2-y1)²

So... d =8.06226

Hope this helps

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Sin(x+2y)=cos(2x -y)
patriot [66]

~~~~~~~\sin (x+2y) = \cos (2x-y)\\\\\\\implies \dfrac{d}{dx} \sin(x+2y) = \dfrac{d}{dx} \cos (2x-y)\\\\\\\implies \cos(x+2y)\dfrac{d}{dx}(x+2y) = -\sin(2x-y) \dfrac{d}{dx}(2x-y)~~~~~~~~~~~;[\text{Chain rule}]\\\\\\\implies \cos(x+2y) \left(1+2 \dfrac{dy}{dx}\right) = -\sin(2x-y)\left(2-\dfrac{dy}{dx} \right)\\\\\\\implies \cos(x+2y) + 2\cos(x+2y)\dfrac{dy}{dx} = -2\sin(2x-y)+\sin(2x-y) \dfrac{dy}{dx}\\ \\\\

\implies \sin(2x-y) \dfrac{dy}{dx} - 2\cos(x+2y) \dfrac{dy}{dx} = \cos(x+2y) + 2\sin (2x-y)\\\\\\\implies \left[\sin(2x-y) -2\cos(x+2y) \right] \dfrac{dy}{dx} = \cos(x+2y) + 2\sin (2x-y)\\\\\\\implies \dfrac{dy}{dx} = \dfrac{\cos(x+2y) + 2\sin (2x-y)}{\sin(2x-y) -2\cos(x+2y) }

7 0
2 years ago
A marathon is 131/5 miles long.If 4 people divide up the distance equally,how many miles does each person need to run ​
irinina [24]
They would run 6.55 miles because first you do 131 divided by 5 which equals 26.2 so then you would do 26.2 divided by 4 and that equals 6.55
7 0
3 years ago
Read 2 more answers
Please help me!!!!!!!!
sattari [20]
So hmm notice the picture below

so V = l*w*h

thus   \bf V=lwh\qquad 
\begin{cases}
l=2\\
w=5\\
\end{cases}\implies V=2\cdot 5\cdot h\implies \boxed{V}=10h
\\\\\\
V=\cfrac{m}{d}\qquad 
\begin{cases}
m=mass\\
d=density\\
----------\\
m=10\\
d=0.5
\end{cases}\implies V=\cfrac{10}{0.5}
\\\\\\
\boxed{10h}=\cfrac{10}{0.5}

solve for "h"

4 0
3 years ago
What are the necessary criteria for a line to be perpendicular to the given line and have the same y-intercept? The slope is and
xxMikexx [17]
(-3,-4) (3, 0)
slope = (0 +4) / (3 + 3) = 4/6 = 2/3
perpendicular so slope = -3/2

line on graph
y = mx + b
0 = 2/3 (3) + b
0 = 2+ b
b = -2

y intercept (0,-2)

answer 
<span>The slope is -3/2 and contains the point (0, −2). </span>
6 0
4 years ago
Read 2 more answers
Classify Slope: Classify the slope of the following graph as positive, negative, zero, or undefined from information that you kn
Keith_Richards [23]

Answer:

im pretty sure it is positive

Step-by-step explanation:

plz give brainliest....

8 0
3 years ago
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