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uysha [10]
3 years ago
9

I need help with these 2 questions.

Mathematics
1 answer:
weqwewe [10]3 years ago
8 0
If you have trouble stay after so and ask for help that's what I would do.
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What is the distance ab rounded to the nearest tenth when a=(-1,2) and b=(1,-2). ​
Tom [10]

Answer:

it gives you the formula, so all you have to do is plug in the coordinates

Step-by-step explanation:

7 0
3 years ago
A company that produces fine crystal knows from experience that 15% of its goblets havecosmetic flaws, while the remaining 85% a
Vinvika [58]

Answer:

The probability that exactly two have flaws is P (x=2) = 0.2376

Step-by-step explanation:

Here

Success= p= 0.15

Failure = q= 0.85

total number= n= 8

Number chosen = x= 2

Applying the binomial distribution

P (x=x) = nCx p^x(q)^n-x

P (x=2) = 8C2 0.15 ²(0.85)^8

P (x=2) = 0.2376

The success is chosen about which we want to find the probability. Here we want to find the probability that exactly two have flaws so success would be having flaws therefore p = 0.15

6 0
3 years ago
Sam just purchased a new car. After his employee discount and the sale that the dealership applied to the original price, Sam pa
VMariaS [17]
$19,905.22 (if the Dealership discount was added after the normal price and the Employee Discount added last) 
8 0
4 years ago
sally works 38 hours er week her weekly wage is £355.68 she recieves a pay increase of 23p per hour whats her new weekly wage
zhenek [66]

Answer:

  • £364.42

Step-by-step explanation:

  • Weekly wage =  £355.68
  • Work week = 38 hours

<u>Hourly pay is:</u>

  • £355.68/38 = £9.36

<u>New payment per hour:</u>

  • £9.36 + £0.23 = £9.59

<u>New weekly wage is:</u>

  • £9.59*38 = £364.42
4 0
3 years ago
You miss 3 out of 10 questions on a science quiz and 4 out of 15 questions on a math quiz. Which quiz has a higher percent of co
EastWind [94]
3 out of 10 quiz because if you divide 3 by 10 it's 0.3 but if you do 4/15 it's 0.26...
8 0
3 years ago
Read 2 more answers
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