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3 years ago

Steven wants to make some extra money using a CD account. He wants $22,000 in his account after 5 years

Mathematics

1 answer:

Nikolay [14]3 years ago

7 0

Answer: You got to multiply 22,000 times 5 and that will equal 110,000

Step-by-step explanation:

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On the Bologna-Rome route of a high-speed train, 3/4 of the reservations are with departure from Bologna, while the remainder ar

svlad2 [7]

Step-by-step explanation:

First, we consider the calculation towards finding the total number of passengers who had booked the train in Florence. The main question to ask in answering this problem is

$\text{``If 20 passengers that board the train from Florence correlates to only} \ \displaystyle\frac{2}{5} \\ \text{of the bookings from Florence, then what is the total number of passengers} \\ \text{that booked regardless if the passengers boarded the train or not?"}$

This statement can be phrase mathematically using the method of ratio and proportion as shown below

$\displaystyle\frac{2}{5} : 1 \ = \ 20:x$ ,

in which the variable $x$ is the total number of passengers who booked the train from Florence.

Now, rewriting the above ratio into the form of fractions, yields

$\displaystyle\frac{\displaystyle\frac{2}{5}}{1} \ = \ \displaystyle\frac{20}{x} \\ \\ \displaystyle\frac{2}{5} \ = \ \displaystyle\frac{20}{x} \\ \\ x \ = \ \displaystyle\frac{20}{\frac{2}{5}} \\ \\ x \ = \ 20 \ \times \ \displaystyle\frac{5}{2} \\ \\ x \ = \ 50$

Given that a quarter out of all reservations is from Florence, then using the same method as before to evaluate the number of passengers that had booked the train (from both Bologna and Florence).

$\displaystyle\frac{\displaystyle\frac{1}{4}}{1} \ = \ \displaystyle\frac{50}{y} \\ \\ y \ = \ \dsiplaystyle\frac{50}{\frac{1}{4}} \\ \\ y \ = \ 50 \ \times \ 4 \\ \\ y \ = \ 200$ ,

where the variable $y$ denotes the total number of bookings.

Therefore, the total number of passengers that had booked the train is 200.

Now, it is stated that all passengers who booked had boarded the train from Bologna which is 150 passengers (three-quarters of total bookings). Then, 36 passengers from earlier got off in Florence, while 20 passengers boarded.

Number of passengers left when arriving Rome = 150 - 36 + 20

= 134 passengers

8 0

2 years ago

Solve 5c + 4 = −26.

Andreas93 [3]

Answer: c=-6

Step-by-step explanation:

First let's subtract 4 from both sides

$5c+4-4=-26-4\\5c=-30$

Now we can divide 5 on both sides

$\frac{5c}{5} =\frac{-30}{5} \\c=-6$

We can sub -6 back in to the original equation to check the answer

$5(-6)+4=-26\\-30+4=-26\\-26=-26$

It checks out!

5 0

3 years ago

WHAT IS THE FITH TO THE SIX TO THE 4

Nikolay [14]

Answer:

IT IS 4/5

Step-by-step explanation:

4 0

4 years ago

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F/R/E/E P/O/I/N/T/S

diamong [38]

Answer:

Step-by-step explanation:

$have$ $a$ $great$ $day$ $:)$

6 0

3 years ago

Need some help with this question

Elza [17]

Answer:

5 units down.

Step-by-step explanation:

D' is the translated image. If D' is at (7,1) and the original point, D, is at (7,6), we can see a change of -5 in the y coordinate. This means that there was a translation of 5 units down.

7 0

4 years ago

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