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romanna [79]
3 years ago
15

M=−8j−9k+9 k=m+8j−9−9 k=m−8j−9 k=m−8j+9−9 k=m+8j−9

Mathematics
1 answer:
Likurg_2 [28]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Dude trust me

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Can someone help me with this and I will mark you Brainly if correct
likoan [24]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
[PLEASE BE QUICK] Write the equation of the line in point-slope form that passes through the given point with the given slope. 5
ladessa [460]

Answer:

y-5=-3(x-1)           simplified: y=-3x+8

Step-by-step explanation:

y-y1=m(x-x1)

plug in point and slope given

y-5=-3(x-1)

y=-3x+3+5

y=-3x+8

3 0
3 years ago
What's 17= z- (-9) days
Arte-miy333 [17]
Z - (-9) is the same as z + 9. Subtracting a negative is the same as adding.

Therefore 
17 = z - (-9)
is the same as
17 = z + 9

To get 'z' all by itself, we need to subtract 9 from both sides. We subtract 9 from both sides to undo the "plus 9" occurring to the 'z' on the right side.

17 = z + 9
17-9 = z + 9=9 ... subtracting 9 from both sides
8 = z
z = 8

So the answer is z = 8

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

Check:

17 = z - (-9)
17 = 8 - (-9) ... replace z with 8
17 = 8 + 9
17 = 17
Answer checks out


4 0
4 years ago
A binomial event has n = 60 trials. The probability of success for each trial is 0.20. Let x be the number of successes of the e
OLga [1]

Answer:

12 and 3.0984

Step-by-step explanation:

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

\mu_{x} = np

The standard deviation of the binomial distribution is:

\sigma_{x} = \sqrt{np(1-p)}

In this problem, we have that:

n = 60, p = 0.2

So

\mu_{x} = np = 60*0.2 = 12

\sigma_{x} = \sqrt{np(1-p)} = \sqrt{60*0.8*0.2} = 3.0984

So the correct answer is:

12 and 3.0984

4 0
3 years ago
What's is x - 4 = - 7
shtirl [24]
X would be equal to -3
in other words x=-3
7 0
3 years ago
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