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qaws [65]
3 years ago
13

2/5- square root of 3 simplify

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

Answer:

  • (5 + √3)/11

Step-by-step explanation:

  • 2/(5 - √3) =
  • 2(5 + √3)/(5 - √3)(5 + √3) =      multiply by conjugate of the denominator
  • 2(5 + √3)/(25 - 3) =                    simplify
  • (5 + √3)/11                                  answer
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A salad bar offers vegetable platters in 4 sizes (small, medium, large, and super-sized) and 6 different vegetables to choose fr
quester [9]

Answer: She could create 60 platters.

Step-by-step explanation:

Given: A salad bar offers vegetable platters in 4 sizes (small, medium, large, and super-sized) and 6 different vegetables to choose from.

Number of combinations of selecting <em>r</em> things from <em>n</em> things is given by:-

^nC_r=\dfrac{n!}{r!(n-r)!}

So, the number of combinations of selecting 2 different vegetables from 6 = ^6C_2=\dfrac{6!}{2!4!}=\dfrac{6\times5}{2}=15

Now, By Fundamental counting principle, the number of different platters she could create = (number of ways of selecting 2 different vegetables from 6) x (Number of sizes)

= 15 x 4

= 60

Hence, she could create 60 platters.

6 0
3 years ago
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Rom4ik [11]

Answer:

y=mc

Step-by-step explanation:

4 0
3 years ago
Jenny rides her bike one mile to school every day. She always stops at Claire’s house on her way. Claire lives ¼ of a mile from
Snezhnost [94]

Answer:

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5 0
2 years ago
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Simplify. –2 • (4) – 3 • (–5) = A. 55 B. 7 C. –23 D. –120
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Your answer to the question is B) 7
3 0
3 years ago
A bicycle manufacturing plant is producing the first few frames for their new electric bicycle design. The first batch of 60 fra
Dmitry_Shevchenko [17]

Answer:

a) 131/450

b) 1233/1276  

Step-by-step explanation:

P(bad) = P(1st batch)*P(bad 1st batch ) + P(2nd batch )*P(bad 2nd batch) + P(3rd batch )*P(bad 3rd batch)

p(bad) =(60/360)*(1/3) + (120/360)*(1/4 ) + (180/360)*(1/5)

= 43/180  

And that of  P(good )

= 1 - 43/180

= 137/180

a)

P(defective) = P(bad)*P(defective /bad) + P(good)*P(defective /good)

= (43/180)*(9/10) + (137/180)*(1/10)

= 131/450

b)

P(Bc I Dc ) = P(good)*P(not defective |good) / P(not defective)

= (137/180)*(1 - 1/10) / (1 - 131/450)

= 1233/1276  

5 0
3 years ago
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