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Natalka [10]
3 years ago
13

I really need help please will mare brainyist. Here is a pyramid with a base that is a pentagon with all sides the same length (

image below) 1.) Describe the cross section that will result if the pyramid is sliced: a horizontally(parallel to the base) b.) vertically through the top vertex (perpendicular to the base): 2.) describe another way you could slice the pyramid that would result in a different cross section.

Mathematics
1 answer:
alisha [4.7K]3 years ago
4 0

Answer:

Ummm i don't really understand it can you tell me more about it and put a better picture because i really can't see anything

Step-by-step explanation:

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Determine which of the following numbers could not represent the probability of an event. Explain your reasoning. (a). 33.3% (b)
statuscvo [17]

Answer:

B and F

Step-by-step explanation:

The simple golden rule that we need to know here is

<em><u>"The probability of any event is always between 0 and 1 inclusive"</u></em>

<em><u /></em>

If an event has a probability of p(x), we can say:

0 \leq p(x) \leq 1

Also, probability is ALWAYS POSITIVE.

Thus,

A) OK because 33.3% is 0.333, which is between 0 and 1

B) NOT OK, because probability isn't negative

C) 0.0002 is in between 0 and 1, so possible

D) 0 probability means it can't happen, so that's okay as well

E) this is a fraction with numerator less than denominator, which means its between 0 and 1, so OK

F) this fraction's numerator is greater than denominator, so it's greater than 1. Probability can't be greater than 1, so NOT OK

Out of these B and F cannot represent the probability of an event

6 0
3 years ago
Find a square root that lies between 17 and 18.
olga nikolaevna [1]
Easy
if x is the number
sqrt x is between 17 and 18

17<√x<18
squaer the whole thing
289<x<324
x could be 300
it could be sqrt of 300
√300=10√3

one is 10√3
5 0
3 years ago
Factorise 4x² + 2y² + x²y² + 8​
Olegator [25]

Answer:

4x² + 2y² + x²y² + 8 \\arranging \: them \\ 4 {x}^{2}  +  {x}^{2}  {y}^{2}  + 2 {y}^{2}  + 8 \\  {x}^{2} (4 +  {y}^{2} ) + 2(y^{2}  + 4)  \\  ({x}^{2}  + 2)(y^{2}  + 4)

3 0
2 years ago
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An auction house sells raffle tickets for $1. There are 10 prizes, each worth $10. If 100 raffle tickets are sold, what is the e
mojhsa [17]

Answer: $1

Step-by-step explanation: (10 x 10) / 100 = 1

7 0
3 years ago
PLEASEEEEEEEEEEEEE ANSWER THIS WILL MARK YOU BRAINLEST <br> What is the solution ?
Mars2501 [29]

-3/4x + 2 < -7

-2 3/4x <-7

-2.75x < -7

C. x < 12

Do let me know if it is incorrect.

3 0
3 years ago
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