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viva [34]
3 years ago
15

Jordan saves x dollars per month for 30 years. Express his savings after 30 years algebraically

Mathematics
1 answer:
Sedbober [7]3 years ago
4 0

Answer:

360x

Step-by-step explanation:

Given

Savings: x dollars, monthly

Duration: 30 years

Required

His savings after 30 years

<em>To get his savings after 30 years, </em>

  • First we need to get his savings in a year.
  • Then we multiply this result by 30

The reason why we need to get his yearly savings is because his savings was given on a monthly basis.

There are 12 months in a year;

Hence, his savings in a year is 12 * x

Savings = 12x in a year.

If his savings in a year is 12x dollas

His savings in 30 years will be

30 * 12x dollars

30 * 12x = 360x dollars

Hence, his savings after 30years is 360x

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Answer:
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3 years ago
Suppose c is inversely proportional to the square of d. If c=6 when d=3⁢, find the constant of proportionality and write the for
NemiM [27]

Answer:

The constant of proportionality is 54.

k = 54

c as a function of d:

c(d) = \dfrac{54}{d^2}

c(7) = \dfrac{54}{49}

Step-by-step explanation:

We are given the following in the question:

c is inversely proportional to the square of d.

\Rightarrow c\propto \dfrac{1}{d^2}\\\\\Rightarrow c = \dfrac{k}{d^2}\\\\\text{where k is constant of proportionality}

When c = 6, d = 3.

Plugging the values, we get,

6 = \dfrac{k}{3^2}\\\\\Rightarrow k = 6\times 3^2 = 54

Thus, the constant of proportionality is 54.

c as a function of d can be written as:

c(d) = \dfrac{54}{d^2}

We have to find value of c when d = 7.

Putting values, we get,

c(7) = \dfrac{54}{(7)^2}=\dfrac{54}{49}

is the required value of c.

4 0
3 years ago
Solve for xx. Round to the nearest tenth of a degree, if necessary.
Tanya [424]

Answer:

56.6 °

Step-by-step explanation:

For a RIGHT triangle    cos (x ) = adjacent leg / hypotenuse

                                      cos (x) = 4.4 / 8

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8 0
1 year ago
Three brothers share 2 sandwiches equally how much of a sandwich does each brother get?
Valentin [98]
<span><u><em>Answer:</em></u>
Each brother gets </span>\frac{2}{3}<span> of a sandwich

<u><em>Explanation:</em></u>
We know that the total number of sandwiches is 2 and that the number of brothers is 3.

Since we are given that the sandwiches will be divided equally among the three brothers, this means that each will get an equal share.

Therefore, to get the share of each, we will simply <u>divide the number of sandwiches by the number of brother</u>s as follows:
each one will get = </span>\frac{# sandwiches}{# brothers} = \frac{2}{3}<span> of a sandwich

Hope this helps :)</span>
8 0
3 years ago
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The 5 in the hundredths place represents 5/100, whereas the 5 in the tens place represents 50, Figure out how 5/100 and 50 are related to each other: (5/100)x = 50. Mult. both sides by 100, we get 5x = 5000. Thus, the 5 in the tens place is 1000 times the 5 in the hundreths place.

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