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stepan [7]
3 years ago
14

Solve for x x-4 — = 5 y+2

Mathematics
1 answer:
yulyashka [42]3 years ago
5 0

I think the question is wrong!

It must be

x-4

___= 5

x+2

Answer: x - 4= 5x + 10

or,-10 -4 = 5x - x

or, -14=4x

or,-14/4= x

Therefore, x = -14/4

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The Magazine Mass Marketing Company has received 10 entries in its latest sweepstakes. They know that the probability of receivi
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Answer:

P(X>4)= 0.624

Step-by-step explanation:

Given that

n = 10

p= 0.5 ,q= 1 - p = 0.5

Two fifth of 10 = 2/5 x 10 =4

It means that we have to find probability P(X>4).

P(X>4)= 1 -P(X=0)-P(X=1)-P(X=2)-P(X=3)-P(X=4)

We know that

P(X=x)=(_{x}^{n})\ p^xq^{n-x}

P(X=0)=(_{0}^{10})\ 0.5^0\ 0.5^{10}=0.0009

P(X=1)=(_{1}^{10})\ 0.5^1\ 0.5^{9}=0.0097

P(X=2)=(_{2}^{10})\ 0.5^2\ 0.5^{8}=0.043

P(X=3)=(_{3}^{10})\ 0.5^3\ 0.5^{7}=0.117  

P(X=4)=(_{4}^{10})\ 0.5^3\ 0.5^{7}=0.205

P(X>4)= 1 -P(X=0)-P(X=1)-P(X=2)-P(X=3)-P(X=4)

P(X>4)= 1 -0.0009 - 0.0097 - 0.043 - 0.117-0.205

P(X>4)= 0.624

8 0
3 years ago
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sin z= z/y

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4 0
3 years ago
4. Barry wants to make a drawing that is 1/4 the size of the original. If the tree in the original drawing is 14 inches tall, ho
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First what you do is divide 14 by 4 and you get 3.5 or 3 feet and 6 inches.
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Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Well the area of a trapezoid is defined by the following formula:
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Let's plug in what we know into this formula:
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so, A = \frac{1}{2} (15+25)(7)=140

This is in square units of measure of course, so 140 in² 
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A painter has 24 foot ladder that he is using to paint a house. For safety reasons, the ladder must be placed at least 8 feet fr
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