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Leto [7]
3 years ago
15

Given f(x) =2x^2+3 and g(x) =5x^2-2x-6. what is (f+g)(x)

Mathematics
1 answer:
OLga [1]3 years ago
6 0

Answer:

Step-by-step explanation:

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2 times 2 times 2 times what equal 28
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2*2*2*x=28. 8x=28. x=28/8
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Point C is located at (1, 2), and point D is located at (−4, −2). Find the x value for the point that is 1 over 4 the distance f
lutik1710 [3]

Answer:

Point C occurs on the line x = 1

Point D occurs on the line y = -2

The intersection of both lines occurs at the point E = (1,-2)

The difference between the x coordinates of points D and E is 1 + 1/4 units

The difference between the y coordinates of points C and E is 1 unit

Let point F be the point that is 1/4 the distance from point C to point D

To find the x-coordinate F subtract the difference between the x coordinate of points C and E from the x-coordinate of C:

1 - (1 + 1/4) = -1/4

To find the y-coordinate of F subtract the difference between the y-coordinates of D and E from the y-coordinate of C

2 - 1 = 1

The coordinates of point F are (-1/4, 1)

Therefore, the y value of the point that is 1/4th the

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The number of nuts in a can of mixed nuts is found to be normally distributed, with a mean of 500 nuts and a standard deviation
Elis [28]

Answer:

-2.25

Step-by-step explanation:

We have that the mean (m) is equal to 500, the standard deviation (sd) 20

They ask us for P (x <455)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / sd

We have all these values, replacing we have:

z = (455 - 500) / (20)

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Express M in terms of B and n: B = 3Mn 2
Molodets [167]

We are given the expression B=3Mn/2 and told to express M in terms of B and n. This means that we should apply mathematical operations on both sides of the equation so we "isolate " M on one side of the equality sign. We begin with the given equation

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First, we multiply both sides by 2, so we get

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Next, we divide by 3 on both sides, so we get

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Finally, we divide both sides by n, so we get

\frac{2\cdot B}{3\cdot n}=M

In this case, we have succesfully expressed M in terms of B and n

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1 year ago
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