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Romashka [77]
2 years ago
10

30 points!

Mathematics
1 answer:
Andru [333]2 years ago
4 0

Answer:

1. B

2. B

Step-by-step explanation:

1. Three points are collinear if they lie on the same line. The diagram shows two triples of points that lie on the same line:

  • points B, C and D;
  • points A, C and E.

Thus, option B is true.

2. Another way to name the plane is to select three points which do not lie on the same line and write them consequently. As you can see from the diagram, points B, F and D lie on the plane M, but do not lie on the same line. Thus, another way to name plane M is BFD.

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A map has a scale of 1 in. : 38 ft use the given map distance to find the actual distance
Dvinal [7]

Answer:

for q 19 its x=209ft and for 21 its 66.5 ft i forgot q 20

Step-by-step explanation:

8 0
2 years ago
The average age of all students at a certain college is 22 years and the standard deviation is 2 years. What is the probability
Marianna [84]

Answer:

The probability that the average age of a randomly selected sample of 100 students will be less than 21.8 years is 0.159

Step-by-step explanation:

According to the given data we have the following:

mean = μ= 22

standard deviation = σ = 2

n = 100

μx = 22

σx=σ/√n=2/√100=0.2

Therefore, P( x < 21.8)=P(x-μx)/σx<(21.8-22)/0.2

=P(z<-1)

= 0.159

The probability that the average age of a randomly selected sample of 100 students will be less than 21.8 years is 0.159

3 0
3 years ago
Please help me! <br>Extra points for this one
emmainna [20.7K]

Answer:

3x +-4

Step-by-step explanation:

well since it is linear functions you would want the Mx+B equation to be present and since you have to find rise over run you would get 3/1 which is just 3 translated giving you a slope of 3 and your y-intercept is your B so in forth giving you the answer of 3x+ -4

plz mark brainliest

7 0
3 years ago
Read 2 more answers
Say that the economy is in a recession, which is causing the value of gold to fall by three percent. If you have gold reserves w
7nadin3 [17]

Answer:

D

Step-by-step explanation:

8590 x 0.03 = 257.70

._.

5 0
2 years ago
Help here too please
lyudmila [28]
What’s the question
7 0
3 years ago
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