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emmasim [6.3K]
3 years ago
11

The exponent equivalent of 20 x 20 x 20 is

Mathematics
1 answer:
geniusboy [140]3 years ago
7 0

Answer:

20 to the 5th power

Step-by-step explanation:

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What is the equation if x=1 and y=16/3
GaryK [48]
There may be more than one way in which to answer this question.  I will assume that the "equation" is a linear one:  f(x) = mx + b.

Then (16/3) = m(1) + b
This is one equation in two unknowns, so it does not have a unique solution.  Was there more to this problem than you have shared?


If we assume that the y-intercept (b) is zero, then y = mx, and 

16/3 = 1m, so that m = 16/3, and so   y = (16/3)x.
4 0
3 years ago
You enter a room. 2 dogs, 4 horses, 1 giraffe and a duck lie on the bed. 3 hens fly over a chair. How many legs are there on the
kap26 [50]

Answer:

38 legs

Step-by-step explanation:

dog=4 legs

horse=4 legs

giraffe= 4 legs

duck = 2 legs

2x4+4x4+1x4+1x2

8+16+4+2=38

8 0
2 years ago
Let x be a binomial random variable with n = 15 and p= .5. Using the exact
alexandr1967 [171]

Answer: Choice C) 0.6964;  0.6972

============================================

Work Shown:

n = 15

p = 0.5

q = 1-p = 1-0.5 = 0.5

P(k) = (n C k)*(p)^k*(q)^(n-k)

P(k) = (15 C k)*(0.5)^k*(0.5)^(15-k)

----------------

If you plug in k = 7, then we get,

P(k) = (15 C k)*(0.5)^k*(0.5)^(15-k)

P(7) = (15 C 7)*(0.5)^7*(0.5)^(15-7)

P(7) = 6435*(0.5)^7*(0.5)^8

P(7) = 0.1964

-----------------

Repeat for k = 8 all the way through k = 15. You could do this by hand, but I recommend using a spreadsheet to make things go much quicker.

Once you determine those values, add them up and you should get 0.6964 which is the binomial probability we want.

------------------

As for the normal approximation, you'll need to compute the mu and sigma to get

  • mu = n*p = 15*0.5 = 7.5
  • sigma = sqrt(n*p*q) = sqrt(15*0.5*0.5) = 1.93649 which is approximate.

The normal distribution will have those parameters.

Since we're using a continuity correction, we need to bump the x = 6 up to x = 6.5, since we want to be larger than 6

Let's find the z score

z = (x - mu)/sigma

z = (6.5 - 7.5)/(1.93649)

z = -0.516398

Now use a Z table or a calculator to determine that P(Z > -0.516398) = 0.6972 approximately. If you're using a TI calculator, then you'll use the normalCDF function. If you're using excel, then you would use the NormDist function (make sure to turn the cumulative flag to "true"). Alternatively, you can search out free z calculators to get the job done.

7 0
3 years ago
How will the solution of the system y > 2x + Two-thirds and y 2x + One-third?
pychu [463]
It would be the shaded area solution
Then response
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Include in your response
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Then another shaded graph on top
The perfect marh sanwhich
Explanation
Nate robinson challenge
5 0
3 years ago
What is the value of a in the equation: a+23=38 and why?A.] 61, because to isolate a, you would add 23 and 38B.] 15 because to i
miskamm [114]

EXPLANATION

Given the equation:

a+23 = 38

Adding -23 to both sides will give us:

a= 38-23

a=15

Answer--> B. 15 because to isolate a, you would subtract 23 from 38.

5 0
1 year ago
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