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Yuri [45]
3 years ago
9

Math 1/5 questions!!

Mathematics
2 answers:
katrin [286]3 years ago
8 0

Answer:

pi is an irrational number

Step-by-step explanation:

larisa86 [58]3 years ago
5 0

Pi is an irrational number

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C.6<br> 12. Expand &amp; simplify:<br> (x - 5)(x-4)
Butoxors [25]

Answer:

Step-by-step explanation:

(x - 5)(x-4)

= x(x) - 4(x) - 5(x) - 4(-5)

= x^2 - 4x - 5x + 20

= x^2 - 9x + 20

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2 years ago
What is the least common denominator for adding the fractions 4/15, 1/12, and 3/8
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120 the numbers go evenly into 120. 
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3 years ago
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The daily earnings of an employee who works on a commission basis are given by the following probability distribution. Find the
elena-s [515]

Answer: The employee's expected earnings is 78.5.

Step-by-step explanation:

Since we have given that

$   Probability

0         0.07

25       0.12

50       0.17

75       0.14

100     0.28

125      0.18

150     0.04

We need to find the employee's expected earnings.

As we know the formula for "Expectation":

E(x)=0\times 0.07+25\times 0.12+50\times 0.17+75\times 0.14+100\times 0.28+125\times 0.18+150\times 0.04\\\\E(x)=0+3+8.5+10.5+28+22.5+6\\\\E(x)=78.5

Hence, the employee's expected earnings is 78.5.


7 0
3 years ago
The MD orders 50mg of an elixir to be given every 12 hours. Available is 125mg/5ml. How much should be administered every 12 hou
Jet001 [13]
FORMULA

D ( desired dose) x V ( vehicle- tablet or liquid)

H ( dose on hand)

D = Dose ordered

H = dose on hand or dose on container label

V = form and amount in which drug comes ( tablet, capsule, liquid)

D= 50mg H= 125mg V= 5ml

50 x 5

125

250 divided by 125 = 2ml

So, 2ml of elixir is administered every 12 hours :) brainliest pls
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Just find the middle of them
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