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zubka84 [21]
2 years ago
13

Fina a value of the polynomial 5x-4x ^ { 2 } +3 at (i) x=0

Mathematics
1 answer:
saw5 [17]2 years ago
5 0
5(0)-4(0)^2+3

Answer:
=3

Best of wishes and good luck!!
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What is the point-slope form
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Answer:

Point-slope is the general form y-y₁=m(x-x₁) for linear equations. It emphasizes the slope of the line and a point on the line (that is not the y-intercept). Watch this video to learn more about it and see some examples. Created by Sal Khan.

Step-by-step explanation:

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2 years ago
Given f (x) = 8 (3-x) , what is the value of f (-1)​
nikdorinn [45]

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Step-by-step explanation:

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3 years ago
Liz am confused on those places help
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Your firm has a contract to make staff uniforms for a fast-food retailer. The heights of the staff are normally distributed with
FromTheMoon [43]

Answer:

a) 16%

b) 2.5%

Step-by-step explanation:

a)

The mean is 70 with standard deviation(SD) of 3 and you are asked to find out the percentage of staff that have <67(70-3 inch= mean - 1 SD) inch size, which means 1 SD below the mean (<-1 SD). Using 68-95-99.7 rule, you can know that 68% of the population is inside 1 SD range from the mean ( -1 SD to + 1 SD).

To put it on another perspective, there are 32% of the population that have < -1 SD and > +1 SD value. Assuming the distribution is symmetrical, then the value of < - 1 SD alone is 32%/2= 16%

b)

The question asks how many populations have size >76 inches, or mean + 2 SD (70+3*2 inch).

You can also solve this using 68-95-99.7 rule, but you take 95% value as the question asking for 2 SD instead.  Since 95% of population is inside 2 SD range from the mean ( -2 SD to + 2 SD), so there are 5% of population that have < -2 SD and > +2 SD value. Assuming the distribution is symmetrical, then the value of > +2 SD alone is 5%/2= 2.5%

3 0
2 years ago
What are the coefficient(s) in the expression 6y+3x-2​
Maslowich

Answer:

6 and 3

Step-by-step explanation:

3 0
2 years ago
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