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docker41 [41]
3 years ago
14

Find the distance from the point to the given plane. (−8, 6, 4), x − 2y − 4z = 8

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0
Lol just get a calculator and math paper.  This is not cool, u aren't in college. Im in 7TH GRADE and I can do this garbage...
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If there is more then more solution, separate them with commas.)<br> (2x + 9)(3-z) = 0
bagirrra123 [75]

Answer:

Step-by-step explanation:

hello :

(2x + 9)(3-z) = 0  means : 2x+9=0 or 3-z=0

x= -9/2  or  z=3

3 0
3 years ago
A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or an 8? Round to nea
Viktor [21]

Answer: 0.476

Step-by-step explanation:

Let A = Event of choosing an even number ball.

B = Event of choosing an 8 .

Given, A lottery game has balls numbered 1 through 21.

Sample space: S= {1,2,3,4,5,6,7,8,...., 21}

n(S) = 21

Then, A= {2,4,6,8, 10,...(20)}

i.e. n(A)= 10

B= {8}

n(B) = 1

A∪B = {2,4,6,8, 10,...(20)} = A

n(A∪B)=10

Now, the probability of selecting an even numbered ball or an 8 is

P(A\cup B)=\dfrac{n(A\cup B)}{n(S)}

=\dfrac{10}{21}\approx0.476

Hence, the required probability =0.476

7 0
3 years ago
Find the first three terms of the sequence below n² – n + 4
sergejj [24]

Answer:

First three terms of given sequence are

9, 13, 17

Step-by-step explanation:

3 0
2 years ago
A ladder is leaning against a
vlada-n [284]

Answer:

The angle of elevation is 36.87 degrees

Step-by-step explanation:

see the attached figure to better understand the problem

In the right triangle ABC of the figure

cos(\theta)=\frac{AC}{BC} ----> by CAH (adjacent side divided by the hypotenuse)

substitute the given values

cos(\theta)=\frac{12}{15}

\theta=cos^{-1}(\frac{12}{15})=36.87^o

4 0
3 years ago
(6x² + 36x² + 12) ÷ (x+6)
astra-53 [7]

Answer:

=42x2+1

Step-by-step explanation:

6x2+36x2+12x+6

=42x2+1

8 0
3 years ago
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