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azamat
3 years ago
8

Someone please help me, write a variable equation to represent the situation, and solve it by using inverse operations.

Mathematics
1 answer:
Nina [5.8K]3 years ago
8 0
Pls be careful when clicking on links they seem unsafe
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60% markup of 129.50
Vedmedyk [2.9K]
59.25 is the answer m8

4 0
3 years ago
A meal costs $30 before tax and tip.
Korolek [52]

Answer:

33.48

Step-by-step explanation:

30*0.07=2.10

30-2.10=27.90

27.90*0.20=5.58

27.90+5.58

33.48

5 0
3 years ago
A bicyclist travels at a constant speed of 18 mi/h. How long does it take the bicyclist to travel 90 miles?
11111nata11111 [884]

The bicyclist travels 90 miles in 5 hours

90÷18=5

5 0
3 years ago
The probability that a randomly chosen citizen-entity of Cygnus is of pension age† is approximately 0.7. What is the probability
victus00 [196]

Answer: 0.2401

Step-by-step explanation:

The binomial distribution formula is given by :-

P(x)=^nC_xp^x(1-p)^{n-x}

where P(x) is the probability of x successes out of n trials, p is the probability of success on a particular trial.

Given : The probability that a randomly chosen citizen-entity of Cygnus is of pension age† is approximately: p =0.7.

Number of trials  : n= 4

Now, the required probability will be :

P(x=4)=^4C_4(0.7)^4(1-0.7)^{4-4}\\\\=(1)(0.7)^4(1)=0.2401

Thus, the probability that, in a randomly selected sample of four citizen-entities, all of them are of pension age =0.2401

5 0
3 years ago
Bob and Susie wash cars for extra money over the summer. Bob's income is determined by f(x) = 6x + 13, where x is the number of
cricket20 [7]
He would make more money with Susie than by himself because if he only works three hours and Susie make more money than him she would have more but if they work as a team they could split the money and get more together.
4 0
3 years ago
Read 2 more answers
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