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prisoha [69]
3 years ago
14

Subtract -7x^2+4x+2 from x^2-3x

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0

Answer:

-8x^2+x+2

Step-by-step explanation:

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14. Determine whether x3 is O(g(x)) for each of these functions g(x). a) g(x) = x2 b) g(x) = x3 c) g(x) = x2 + x3 d) g(x) = x2 +
ad-work [718]

Answer:

Answer and explanation with steps are in the following attachments

Step-by-step explanation:

7 0
3 years ago
The plans for set of stairs are shown below. Using points x and z find the slope of the line down the stairs. Then verify that t
tamaranim1 [39]

Answer:

slope or line segment z to x:

4/6x Or 2/3x

Step-by-step explanation:

5 0
3 years ago
Assume that blood pressure readings are normally distributed with a mean of 124 and a standard deviation of 6.4. If 64 people ar
Murrr4er [49]

Answer:

99.38%

Step-by-step explanation:

We have that the mean (m) is equal to 124, the standard deviation (sd) 6.4 and the sample size (n) = 64

They ask us for P (x <126)

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

z = (x - m) / (sd / (n ^ 1/2))

We have all these values, replacing we have:

z = (126 - 124) / (6.4 / (64 ^ 1/2))

z = 2.5

With the normal distribution table (attached), we have that at that value, the probability is:

P (z <2.5) = 0.9938

The probability is 99.38%

4 0
3 years ago
Kim drives x miles a week. Terry drives two times more than Kim and Jerry drives three times more than Terry. Which expression r
Anastasy [175]
Kim drives = x 
Terry drives = 2x 
Jerry drives = 6x 

Let us go through our answer choices and choose one. 

A is incorrect because we are not being asked to add anything.

B is incorrect because it equals what all of the drivers drive. 

2(x+3)
2*x + 2*3
2x + 6x

C is incorrect because we are not being asked to subtract.

D is correct because Jerry drives 3 times as much as terry.

2x*3
6x

So our final answer is D. 6x



3 0
3 years ago
Read 2 more answers
The cone had a radius of 4.5 inches and a height of 6 inches. What is the volume of this cone?
pochemuha

Answer:

125.8983

Step-by-step explanation:

Use the formula for volume of a cone: v= (1/3)(3.14)(radius squared)(height) so v = (1/3)(3.14)(20.25)(6) = 125.8983

4 0
3 years ago
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