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svet-max [94.6K]
3 years ago
5

I need help on problem called irrational numbers​

Mathematics
1 answer:
AnnyKZ [126]3 years ago
3 0

Answer:

What is it?

Step-by-step explanation:

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Marcus wants to know if students at his school like to sing in the shower. He polled 40 students who were not part of the school
telo118 [61]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
Find the area of this shape. Show work pls. Round to the nearest hundredth.
cricket20 [7]

Answer:

35 ft²

Step-by-step explanation:

The shape is a triangle and its area is given by the formula below:

Area of triangle= ½ ×base ×height

Do note that the height has to be the perpendicular height, which is 5 ft in this case.

Area of triangle

= ½(14)(5)

= 35 ft²

8 0
3 years ago
Errors in an experimental transmission channel are found when thetransmission is checked by a certifier that detects missing pul
Ivahew [28]

Answer:

a) P(X \leq 4)

And we can find this using the cumulative distribution function:

P(X \leq 4) = F(4) = 0.9

b) P(X > 7)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >7) =1-P(X\leq 7)= 1- F(7) = 1-1 = 0

c) P(X \leq 5)

And we can find this using the cumulative distribution function:

P(X \leq 5) = F(5) = 0.9

d) P(X > 4)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >4) =1-P(X\leq 4)= 1- F(4) = 1-0.9 = 0.1

e) P(X \leq 2)

And we can find this using the cumulative distribution function:

P(X \leq 2) = F(2) = 0.7

Step-by-step explanation:

For this case we have the following cumulative distribution function:

F(x) = 0 , x

F(x) = 0.7, 1 \leq x

F(x) = 0.9, 4 \leq x

F(x) = 1, x \geq 7

Part a

We want this probability:

P(X \leq 4)

And we can find this using the cumulative distribution function:

P(X \leq 4) = F(4) = 0.9

Part b

We want this probability:

P(X > 7)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >7) =1-P(X\leq 7)= 1- F(7) = 1-1 = 0

Part c

We want this probability:

P(X \leq 5)

And we can find this using the cumulative distribution function:

P(X \leq 5) = F(5) = 0.9

Part d

We want this probability:

P(X > 4)

And we can find this using the cumulative distribution function and the complement rule on this way:

P(X >4) =1-P(X\leq 4)= 1- F(4) = 1-0.9 = 0.1

Part e

We want this probability:

P(X \leq 2)

And we can find this using the cumulative distribution function:

P(X \leq 2) = F(2) = 0.7

7 0
3 years ago
I NEED HELP ASAP PLEASE HELP ME
Tju [1.3M]

Answer:

The avergae temp rose 51° F.

Step-by-step explanation:

Average temp in January = -8°F

Average temp in March = 43°F

-8 is 8 away from 0 (absolute value)

43 is 43 away from 0 (absolute value)

43 + 8 = 51

The average temp rose 51°F

5 0
4 years ago
Help me, and I will attempt to give brainlist and thanks with 5 stars, even if it is incorrect! I am really desperate...
natka813 [3]

Answer:

a) Option 2

b) 12

Step-by-step explanation:

Possible outcomes can be obtained using:

1) A tree diagram

2) The counting principle

4 options for the first trial, 3 for the second

4 × 3 = 12

6 0
3 years ago
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