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3 years ago

2.5n=45;n=18 Determine if the given value is the solution of the equation

Mathematics

2 answers:

Tamiku [17]3 years ago

6 0

Yes. 45/2.5 does equal 18, so that statement is correct.

Maksim231197 [3]3 years ago

5 0

Well,

2.5(18) = 45
45 = 45

It's as simple as that. n=18 is the solution to the problem.

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Find the 87th term of the arithmetic sequence 12, 0, -12

adelina 88 [10]

Answer:

a(87) = -590

Step-by-step explanation:

Notice how each term of this arithmetic sequence is equal to the sum of the previous term and the common difference, -12.

The general formula a(n) = a(1) + (n - 1)d becomes:

a(n) = 12 - 7(n - 1)

and the 87th term a(87) = 12 - 7(87 - 1), or

a(87) = 12 - 7(86)

a(87) = -590

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3 years ago

The expression for the income of an amusement park is given, where x is the entry price: 96. - 4c? Aside from free entry, what e

Svet_ta [14]

The income of the amusement park is a function of the price of the ticket

The entry price that will result in no income is $24

<h3>How to determine the entry price that results in no income</h3>

The expression for the income is given as:

$96x - 4x^2$

When the income is 0, we have the following equation

$96x - 4x^2 = 0$

Factor out 4x

$4x(24 - x) = 0$

Split the equation

4x = 0 or 24 - x = 0

Solve for x

x = 0 or x = 24

This means that, the entry price that will result in no income is $24

Read more about income and expenses at:

brainly.com/question/13628349

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2 years ago

Rectangle ABCD is similar to rectangle FGHI what is the value of x?

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The value of x is 14 I think

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3 years ago

Solve and check. All steps must be shown.<br> 5x + 15 = 75 - 25x

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Step-by-step explanation:

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