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3 years ago

A man buys a cycle for $1400 and sells it at a loss of 15%. What is the selling price of the cycle?

Mathematics

2 answers:

devlian [24]3 years ago

8 0

1190 is your answer! The way you get it is 1400 - 15% =1190 :)

Aneli [31]3 years ago

6 0

Answer:

1190

Step-by-step explanation:

1400 - 15% to get the answer.

Hope This Helps!

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Answer:

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3 years ago

Solve the following equation:

stealth61 [152]

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Step-by-step explanation:

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2 years ago

Nora bought 100 Shares of a technology stock and 200 shares of a mutual fund for $3500. Her sister, Erin, bought 300 shares of t

viktelen [127]

Answer:Suppose the cost stock is x and the cost of fund is y.

Total cost of Nora's portfolio:

100x+200y=3800.....i

Total cost of Erin's portfolio

300x+50y=5350...ii

solving the simultaneous equation by elimination method we proceed as follows:

multiplying eqn by 3 and subtracting ii we get:

550y=6050

thus

y=6050/550

y=11

next, multiply ii by 4 and subtracting i we get:

1100x=17600

x=16

thus the cost of Technology stock was $16 and the cost of mutual fund was $11

Step-by-step explanation:

4 0

3 years ago

If 90 percent of automobiles in Orange County have both headlights working, what is the probability that in a sample of eight au

Marta_Voda [28]

Answer:

$P(X \geq 7) = P(X=7) +P(X=8)$

And we can find the individual probabilities using the probability mass function

$P(X=7)=(8C7)(0.9)^7 (1-0.9)^{8-7}=0.3826$

$P(X=8)=(8C8)(0.9)^8 (1-0.9)^{8-8}=0.4305$

And replacing we got:

$P(X \geq 7) = P(X=7) +P(X=8)=0.3826 +0.4305=0.8131$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest "number of automobiles with both headligths working", on this case we now that:

$X \sim Binom(n=8, p=0.9)$