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Mnenie [13.5K]
3 years ago
7

Can two planes contain the same point

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0

Answer:

SOLUTION: Postulate 2.5 states if two points lie in a plane, then the entire line containing those points lies in that plane. Therefore, the statement is always true. ... The intersection of two planes can be a point. SOLUTION: Postulate 2.7 states if two planes intersect, then their intersection is a line.

Step-by-step explanation:

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the difference of the square of a number and 24 is equal to 5 times that number. Find the negative solution
Kamila [148]

Answer:

n = -3

Step-by-step explanation:

The difference of the square of a number and 24 is equal to 5 times that number. Find the negative solution.

I'm going to call the number "n."

n² - 24 =  5n      subtract 5n from both sides to get the equation equal to zero

<u>- 5n        -5n</u>

n² - 5n - 24 = 0   factor the trinomial into the multiplicatin of two binomials

                           we need factors (numbers that multiply) to -24 that add up to

                           -5.  The only factors for -24 that will add up to -5 are -8 and 3.

(n-8)(n+3) = 0     set each binomial equal to zero and solve for n

n-8  =  0     or    n+3  =  0

 <u>+8    +8</u>              <u> -3     -3</u>

 n   =  8     or        n  = -3       n = -3 is the negative solution

3 0
3 years ago
Charles has collected data to find that the total snowfall per year in Reamstown has a normal distribution. Using the Empirical
Mazyrski [523]

Answer:

0.8413 or 84.13%

Step-by-step explanation:

Given : The mean is 72 inches and the standard deviation is 15 inches

To Find : What is the probability that in a randomly selected year, the snowfall was less than 87 inches

Solution:

Mean = \mu = 72

Standard deviation = \sigma = 15

Formula : z=\frac{x-\mu}{\sigma}

We are supposed to find the probability that in a randomly selected year, the snowfall was less than 87 inches

So, x = 87

Substitute the values in the formula

z=\frac{87-72}{15}

z=1

Now to find P(z<87) refer the z table

P(Z<87)=0.8413 = 84.13%

So, the probability that in a randomly selected year, the snowfall was less than 87 inches if the mean is 72 inches and the standard deviation is 15 inches is 0.8413 or 84.13%

6 0
4 years ago
Find the missing length indicated.ii
Aleksandr [31]
6 ..................
7 0
3 years ago
(1, 1) and (5, 7) can somebody help
Murljashka [212]

Answer:

1×5 + 1×7 +1×5 +1×7

5+7+5+7 : 24

7 0
3 years ago
Write a word problem in wich the starting number is in the hundereds and the awnser is 4 tickets
mash [69]

Answer:

Choir kids are selling tickets to their show. There needs to be 400 tickets sold ,and there are 100 kids to sell them. How many tickets does each kid need to sell?

Step-by-step explanation:

####HHGUGnu

4 0
3 years ago
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