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2 years ago

F(x)=2x + 1 and g(x) = -3x+4. Find f(x) + g(x)

Mathematics

1 answer:

Aneli [31]2 years ago

5 0

To do this, simply add the 2 functions-as it says:

(2x+1) + (-3x+4)
2x+1-3x-4
-x-3

Your answer is -x-3

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The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a m

photoshop1234 [79]

Answer: 0.1353

Step-by-step explanation:

Given : The mean of failures = 0.025 per hour.

Then for 8 hours , the mean of failures = $\lambda=8\times0.25=2$ per eight hours.

Let X be the number of failures.

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

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

Now, the probability that the instrument does not fail in an 8-hour shift :-

$P(X=0)=\dfrac{e^{-2}2^0}{0!}=0.1353352\approx0.1353$

Hence, the the probability that the instrument does not fail in an 8-hour shift = 0.1353

7 0

3 years ago

A rectangle has an area of 72 swaure units. The width of the rectangle is 9 units. The length of the rectangle is 2x + 4. What i

vichka [17]

Answer:

8 units

Step-by-step explanation:

Area of a rectangle = Width multiplied by Length

Substitute in all the known numbers into this formula to get

72 = (9) × $(2x+4)$

Solve the equation for x, to find out the length

$9(2x+4)=72$

$2x+4=72/9$

$2x+4=8$

$2x=8-4$

$2x=4$

$x=4/2$

$x=2$

Length of the rectangle = $(2x+4)$

$2(2)+4$

$4+4=8$

5 0

2 years ago

3∙(a+x), if a=8; x=−10

Oksi-84 [34.3K]

Your answer should be -6

6 0

3 years ago

If you can see it will plzzz help

Serhud [2]

Answer:

You should probably change the language on your computer if thats what your asking

Step-by-step explanation:

6 0

3 years ago

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A 16 N force is applied to an object and 96 J of work is done. How far was the object moved?

Montano1993 [528]

Hello,

T=F*x==>x=T/F=96/16=6 (m)

T is the word (travail in french)
F is the force applied
x is the deplacement.

3 0

3 years ago

Read 2 more answers