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tigry1 [53]
2 years ago
15

Original price: $32 Sale Price: $8 So what is the percent if discount?

Mathematics
1 answer:
lora16 [44]2 years ago
4 0

Answer:

75% discount

hope this helps!

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I need on help on this!
ElenaW [278]

The probability that the marble taken out is yellow is 1/4

Step-by-step explanation:

Total marbles = 12

Yellow marbles = 3

Probability that the marble taken out is yellow= No of yellow marbles/total marbles.

Probability that the marble taken out is yellow= 3/12

Probability that the marble taken out is yellow= 1/4

So, the Probability that the marble taken out is yellow is 1/4

Keywords: Probability

Learn more about Probability at:

  • brainly.com/question/4021035
  • brainly.com/question/4655616
  • brainly.com/question/6649771

#learnwithBrainly

7 0
3 years ago
Announcements for 84 upcoming engineering conferences were randomly picked from a stack of IEEE Spectrum magazines. The mean len
Marina86 [1]

Answer:

Step-by-step explanation:

Hello!

You need to construct a 95% CI for the population mean of the length of engineering conferences.

The variable has a normal distribution.

The information given is:

n= 84

x[bar]= 3.94

δ= 1.28

The formula for the Confidence interval is:

x[bar]±Z_{1-\alpha/2}*(δ/n)

Lower bound(Lb): 3.698

Upper bound(Ub): 4.182

Error bound: (Ub - Lb)/2 = (4.182-3.698)/2 = 0.242

I hope it helps!

6 0
3 years ago
Which statement about the data is true?
ss7ja [257]
I think it's B, there no repeating number.
7 0
2 years ago
Read 2 more answers
Simplify (4x+5y)(2x-3y)+3xy<br><br> Help
amid [387]

Answer:

8x² - 15y² + xy

Step-by-step explanation:

(4x + 5y) (2x - 3y) + 3xy

multiplying the terms in brackets

(4x) (2x - 3y) + (5y) (2x - 3y) + 3 xy

multiplying with each terms inside the bracket

(4x)(2x) - (4x) (3y) + (5y) (2x) - (5y) (3y) + 3xy

doing the product each of the pair of terms

8x² - 12xy + 10xy - 15y² + 3xy

taking the sum of terms with coefficient "xy"

8x² - 15y² -2xy + 3xy

8x² - 15y² + xy


3 0
3 years ago
Multiplying with decimals
AnnyKZ [126]

Answer:

Dont know what your asking for

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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