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Anna71 [15]
3 years ago
5

Postulates need to be proven.

Mathematics
2 answers:
spin [16.1K]3 years ago
8 0
False postulates dont need to be proven
Effectus [21]3 years ago
6 0
False, a postulate is already proven to be true.
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The nth term of a sequence is 3n^2 +4.work out the third term of this sequence
murzikaleks [220]
N is the term that you are looking for. it asked for the 3rd term so you replace n with 3.       now its :     3 x 3^2 + 4 . you use the order of PEMDAS:

P  arenthesis
E  xponents
M  ultipication
D  ivision
A  ddition
S  ubtraction

you start with parenthesis but there are none so now exponents. 3^2 is 3 x 3. that would be: 3 x 3 = 9.

now multiplication.    3 x 9 + 4.        3 x 9 = 27

now division. there is none. so now addition and there is.      27 + 4 = 31.

then subtraction but there is none. so now you are done.


the 3rd term is therefore 31.

i hope that i helped.
3 0
3 years ago
marty has 80 to spend at a sporting goods store. he will spend 56 on a shirt, and then buy some darts. each box of darts cost 6.
Mariana [72]

Next time, Shay, please include the instructions. I'm assuming that our job here is to determine the largest # of boxes of darts that can be purchased.


Shirt cost + x(box of darts cost) = Initial amount

$56 + x($6/box) = $80


Then 56 + 6x = 80, or 6x= 24, or x = 4. He can buy 4 boxes of darts.


8 0
3 years ago
What is the probability of breaking a stick into 3 pieces and forming a triangle?
kicyunya [14]

The probabilities:

-Two break points are selected randomly (and distributed uniformly) on the stick.

The stick is first broken into two pieces. The longest (or rather, not the shortest) is then broken into two.

-The stick is first broken into two pieces. A piece randomly selected with probability 1/2 is then broken into two.

-The stick is first broken into two pieces. A piece randomly selected with the probability proportional to its length is then broken into two.

3 0
3 years ago
A quality-control engineer samples 100 items manufactured by a certain process, and finds that 15 of them are defective. True or
goldenfox [79]

Answer: b) The probability that an item produced by this process is defective is likely to be close to 0.15, but not exactly equal to 0.15.

Step-by-step explanation:

Given that:

Number of samples = 100

Number of defective samples = 15

Proportion =number defective samples / total samples

P = 15 / 100 = 0.15

Hence, the probability that an item produces is defective is 0.15.

However, due to sampling Variations, the probability will be corrected for these variations. Hence, probability that an item produced by this process is defective is likely to be close to 0.15, but not exactly equal to 0.15.

5 0
2 years ago
A ticke cost 40 dollars suppose every seat in the first ten rolls are filled what is the total revenue from those seatss
KonstantinChe [14]
If a single ticket costs 40 dollars then the ten seats will generate the following

$40 x 10= $400

7 0
3 years ago
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