2 years ago

NEED ASAP !!!!! helppp

Mathematics

1 answer:

gregori [183]2 years ago

5 0

Im pretty sure it’s a triangle.

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Use elimination to solve each system of equations.

Allushta [10]

Answer:

x=-3

Y=-5

Step-by-step explanation:

2x-y=-1 ×2

3x-2y=1. ×1

4x-2y= -2

3x-2y=1

eliminate y by subtracting

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3 years ago

How to tell if a scatter plot is positive or negative or no ttend?

Korvikt [17]

If the dots are going to the right, it's positive. If they're going to the left, they're negative.

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3 years ago

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PLS HELP I suck at mathematics and it's due today!!! I'll make BRAINLEIST

Stels [109]

Answer:

H, -5

Step-by-step explanation:

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2 years ago

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The number of typing errors made by a typist has a Poisson distribution with an average of two errors per page. If more than two

wlad13 [49]

Answer: 0.6767

Step-by-step explanation:

Given : Mean = $\lambda=2$ errors per page

Let X be the number of errors in a particular page.

The formula to calculate the Poisson distribution is given by :_

$P(X=x)=\dfrac{e^{-\lambda}\lambda^x}{x!}$

Now, the probability that a randomly selected page does not need to be retyped is given by :-

$P(X\leq2)=P(0)+P(1)+P(2)\\\\=(\dfrac{e^{-2}2^0}{0!}+\dfrac{e^{-2}2^1}{1!}+\dfrac{e^{-2}2^2}{2!})\\\\=0.135335283237+0.270670566473+0.270670566473\\\\=0.676676416183\approx0.6767$

Hence, the required probability :- 0.6767

6 0

3 years ago

Please help. <br><br><br> The best answer will get brainliest.

Margaret [11]

Answer:

Mean= 10

Step-by-step explanation:

Mean= Total value of data/Number of datas given

=3+2+26+9/4

=40/4

=10

Mean= 10

6 0

3 years ago