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choli [55]
3 years ago
13

Is 23 a prime number or a composite number? Plzz help

Mathematics
2 answers:
kvasek [131]3 years ago
6 0
23 is a prime number because the only factors ( numbers that can be multiplied to get 23) are 1 and 23.
stiv31 [10]3 years ago
3 0
23 is a prime number!
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There are two humans , three dogs , two birds , five cats , and a spider in a room . How many legs are all together
bulgar [2K]

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all together there will be 44 legs

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2 years ago
if 1/2 an apple was shared equally among 3 people. what fracton of the who apple did each person recive.
enyata [817]

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1/6

Step-by-step explanation:

1/2/3 is a sixth of an apple that all 3 people equally shared.

3 0
3 years ago
Vikas is the head of student council this year at his high school in London. He is responsible for planning the annual graduatio
Naily [24]

Answer:

C = 600 + 50s

Step-by-step explanation:

The students are planning to visits the Canada's wonderland. The students will spend a full day at the park.

The entry fee for each student is $50 and the bus cost is $600. Each student will pay $50 for entry into the park.

Let

the number of student  = s

cost of the trip = C

Relating the variable C and s

The total amount of money the student will pay for entry fee = 50 × s = 50s

Therefore, cost of the trip can be expressed as follows

C = 600 + 50s

8 0
3 years ago
Given that the image below is not drawn to
Natali [406]

Answer:

what image i dont see an image

Step-by-step explanation:

4 0
2 years ago
An article suggested that yield strength (ksi) for A36 grade steel is normally distributed with μ = 44 and σ = 5.0. (a) What is
aalyn [17]

Answer:

Step-by-step explanation:

Using normal distribution,

z = (x - μ)/σ

μ= mean = 44 and

σ = standard deviation= 5.0

a) The probability that yield strength is at most 40=

P( x lesser than or equal to 40)

z = (40-44)/5= -0.8

Looking at the normal distribution table,

P( x lesser than or equal to 40) =0.2119

b) P(x greater than 62) = 1 - P(x lesser than or equal to 62)

z = (62-44)/5= 3.6

Looking at the normal distribution table,

P(x greater than 62) = 1 -0.99984

= 0.00016

c)P( 42 lesser than or equal to x lesser than or equal to 62)

= P(x lesser than or equal to 62) - P( x lesser than or equal to 40)

= 0.99987-0.2119= 0.78797

d) What yield strength value separates the strongest 75% from the others.

To get x for strongest 75, we get the z value corresponding to 0.75 from the table

z = 0.675= (x-44)/5

x = 3.375+44 = 47.375

The rest is 25% = 0.25

we get the z value corresponding to 0.25 from the table)

z = -0.67 = (x-44)/5

-3.35= x -44

x = -44+3.35= 40.65

yield strength value that separates the strongest 75% from the others

=47.375-40.65= 6.725

3 0
2 years ago
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