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yulyashka [42]
2 years ago
6

Find the zero of f(x)=-3x-18

Mathematics
1 answer:
navik [9.2K]2 years ago
5 0

Answer:

2 and -3

Step-by-step explanation:

The reason why these are the answers is because if you put it in your graphics calculator then you can see the only points where the diagram intersects with the x-axis would be at points 2 and -3 :)

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Which expression is equivalent to 7/16 ?<br> A. 7 − 16<br> B. 16 x 7<br> C. 7 ÷ 16<br> D. 16 ÷ 7
ValentinkaMS [17]
C. Is the correct answer
5 0
2 years ago
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OverLord2011 [107]

Answer:

Binomial distribution requires all of the following to be satisfied:

1. size of experiment (N=27) is known.

2. each trial of experiment is Bernoulli trial (i.e. either fail or pass)

3. probability (p=0.14) remains constant through trials.

4. trials are independent, and random.

Binomial distribution can be used as a close approximation, with the  usual assumption that a sample of 27 in thousands of stock is representative of the population., and is given by the probability of x successes (defective).

P(x)=C(N,x)*p^x*(1-p)^(n-x)

where N=27, p=0.14, and C(N,x) is the number of combinations of x items out of N.

So we need the probability of <em>at most one defective</em>, which is

P(0)+P(1)

= C(27,0)*0.14^0*(0.86)^(27) + C(27,1)*0.14^1*(0.86^26)

=1*1*0.0170 + 27*0.14*0.0198

=0.0170+0.0749

=0.0919


4 0
3 years ago
Please please thank you
nika2105 [10]

Answer:

option 2

452.16

6 0
2 years ago
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HELP PLEASE AND THANKS!!! EASY PROBLEM
sp2606 [1]

Answer:

52%

Step-by-step explanation:

13/25

5 0
2 years ago
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f(x) = square root ( x^4 -16x^2) let f be the function given by: . . a) Find the domain of f.. b) Find f '(x). c) Find the slope
Bond [772]
A ) The domain:
x^{4} -16 x^{2}  \geq 0 \\  x^{2} ( x^{2} -16) \geq 0 \\  x^{2} -16 \geq 0 \\  x^{2}  \geq 16
x ≤ -4  and x≥ 4  or:  x ∈ ( - ∞ , - 4 ) ∪ ( 4  , + ∞ )
b ) f ` ( x ) = \frac{1}{2 \sqrt{ x^{4} -16 x^{2} } } *( 4 x^{3} - 32 x ) = \\ = \frac{2x( x^{2} -8)}{ \sqrt{ x^{4}-16 x^{2}  } }
c ) The slope of the line normal to the graph at x = 5
m = -1 / f `(x)
f ` ( x ) = \frac{10(25-8)}{ \sqrt{625-400} }=  \frac{10*17}{15} = \frac{34}{3}
m = - 3/34 

8 0
3 years ago
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