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White raven [17]
3 years ago
13

Victors wants to purchase a skateboard. She has $125 to spend. She finds one that regularly sells for $139.99 and is on sale for

15% off. Sales tax is 7%. Victoria says that she has enough money to buy the skateboard. Is she correct? Explain.
Mathematics
1 answer:
Ksenya-84 [330]3 years ago
4 0

Answer:

13.663405

Step-by-step explanation:

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A manufacturer of matches randomly and independently puts 23 matches in each box of matches produced. The company knows that one
d1i1m1o1n [39]

Answer:

0.9855 or 98.55%.

Step-by-step explanation:

The probability of each individual match being flawed is p = 0.008. The probability that a matchbox will have one or fewer matches with a flaw is the same as the probability of a matchbox having exactly one or exactly zero matches with a flaw:

P(X\leq 1)=P(X=0)+P(X=1)\\P(X\leq 1)=(1-p)^{23}+23*(1-p)^{23-1}*p\\P(X\leq 1)=(1-0.008)^{23}+23*(1-0.008)^{23-1}*0.008\\P(X\leq 1)=0.8313+0.1542\\P(X\leq 1)=0.9855

The probability  that a matchbox will have one or fewer matches with a flaw is 0.9855 or 98.55%.

8 0
3 years ago
Two houses on the same side of the street have house numbers that are consecutive
DochEvi [55]

Answer:

28 and 30

Step-by-step explanation:

'x' = 1st consecutive #

'x+2' = 2nd consecutive #

x + x+2 = 58

2x + 2 = 58

2x = 56

x = 28

x+2 = 30

3 0
2 years ago
Question 15 please and i will mark the brainliest!!! And thank you to whoever answers
Oksanka [162]
<h3>Answer: C) 12</h3>

Explanation:

We have 4 options for the first choice and 3 options for the next. So there are 4*3 = 12 different combos possible. The tree diagram below shows 12 different paths to pick from. For instance, the right-most path has us pick the number 4 and the color yellow.

6 0
3 years ago
Ten tiles numbered 1 through 10 are turned face down. One tile is turned up at random, and a die is rolled and the number is squ
attashe74 [19]

Answer:

18.33333333%. Please mark as brainliest if I’m Correct. :)

Step-by-step explanation:

5 0
3 years ago
What fraction of 6 weeks is 6 days​
adelina 88 [10]

Answer:

\frac{1}{7}

Step-by-step explanation:

6 weeks is 42 days.

6 days/42 days = 1/7

6 0
1 year ago
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