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2 years ago

Ron earns $ 840 in a week. How much will he earn in 36 days?

Mathematics

2 answers:

serg [7]2 years ago

8 0

Answer:

4320$

Step-by-step explanation:

840 : 7(days of week)=120$

120 × 36(days) =4320

Igoryamba2 years ago

3 0

Answer:

$ 4320

Step-by-step explanation:

a week = 7 days

$840 .......... 7 days

$ x .............36 days

x = 840*36/7 = 120*36 = $ 4320

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A caterer provides a conference banquet for a price of $40 per person for 20 or fewer people but will decrease the price by $1 p

mel-nik [20]

Answer:

The maximum revenue is $900, obtained with 30 people

Step-by-step explanation:

Naturally, the answer should be a number equal or higher than 20, because up to 20 persons, each one pays the same. Lets define a revenue function for x greater than or equal to 20.

f(x) = x*(40-(x-20)) = -x²+60x

Note that f multiplies the number of persons by how much would they pay (here, assuming that there are more than 20).

f is quadratic with negative main coefficient and its maximum value will be reached at the vertex.

The value of the x coordinate of the vertex is -b/2a = -60/-2 = 30

for x = 30, f(x) = 30*(40-(30-20))=30*30=900

So the maximum revenue is $900.

7 0

1 year ago

A 2.2 GB game is being downloaded onto your laptop. When you have downloaded half a gigabyte, you notice that your computer has

andreev551 [17]

Answer:

$0.01m +\frac{1}{2} \geq 2.2$

Step-by-step explanation:

Let m be number of minutes it will take to download the whole game.

We are told that computer is downloading at a rate of 0.01 GB per minute and half GB game is already downloaded. So 0.01*m+0.5 will be equal to 2.2 as game size is 2.2 GB.

Let us find the least number of minutes it will take to download the whole game.

$0.01m +\frac{1}{2} \geq 2.2$

$0.01m +0.5\geq 2.2$

$0.01m \geq 2.2-0.5$

$0.01m \geq 1.7$

$m\geq \frac{1.5}{0.01}$

Therefore, $0.01m +\frac{1}{2} \geq 2.2$ is our desired inequality.

6 0

2 years ago

The junior class is selling Caramel Apple lollipops and Gourmet lollipops to raise money for prom. They profit 50 cents and 75 c

Likurg_2 [28]

If we letx as the number of Caramel Apple lollipops soldy as the number of Gourmet lollipops sold
Then, we can make an inequality from the given which is0.50x + 0.75y ≥ 250The graph of this inequality would have a y intercept of500 and a slope of 2/3 and includes all the points above the solid line.
hope this helps and brainliest :)

6 0

1 year ago

Read 2 more answers

When comparing functions, such as Seth’s scenarios for travelling to school, will the function with the greatest initial value c

True [87]

Answer:

It will depend whether is function time dependent or not.

Step-by-step explanation:

If the function is time dependent, the function with greatest initial values continue to be greatest as time increases.

4 0

2 years ago

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The probability that a person in the United States has type B+ blood is 12%. Three unrelated people in the United States are s

V125BC [204]

Answer:

The probability that all three have type B+ blood is 0.001728

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they have type B+ blood, or they do not. The probability of a person having type B+ blood is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$