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yarga [219]
2 years ago
9

A couch and coffee table cost a total of $1167. The cost of the couch is two times the cost of the coffee table. Find the cost o

f each item.
Mathematics
1 answer:
labwork [276]2 years ago
7 0

Answer:

The couch is $778 and the table is $389

Step-by-step explanation:

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The answer would be 1,928.85
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whos your teacher ? i had a teacher that named ms.campbell

Step-by-step explanation:

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Wale was twice as old as Ajay 10 years back. How old is Ajay today if Wale will be 40 years old 10. years hence?​
vagabundo [1.1K]

Using a system of equations, it is found that Ajay is 25 years old today.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

  • Variable x: Wale's age.
  • Variable y: Ajay's age.

Wale was twice as old as Ajay 10 years back, hence:

x - 10 = 2(y - 10)

x - 10 = 2y - 20

x = 2y - 10

Wale will be 40 years old in 10 years, hence:

x + 10 = 40

x = 40

Then, Ajay's present age is found as follows.

2y = x + 10

2y = 40 + 10

y = \frac{50}{2}

y = 25

You can learn more about system of equations at brainly.com/question/14183076

4 0
2 years ago
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What is the frequency of the function y = 3sin2x
antiseptic1488 [7]

Answer:

  d.  None of the above.

Step-by-step explanation:

The period is the change in x required to make a change of 2π in the argument to the sine function:

  2x = 2π

  x = π

The frequency is the reciprocal of the period, so is 1/π. There are no matching answer choices.

7 0
2 years ago
Simplify 12 to the 16th power over 12 to the 4th power. 1212 124 112 14
Law Incorporation [45]

Greetings from Brasil...

<em />

Here's our problem:

\large{\frac{12^{16}}{12^{4}}}

From potentiation properties:

Mᵃ ÷ Mᵇ = Mᵃ⁻ᵇ

<em>division of power of the same base: I repeat the base and subtract the exponents</em>

<em />

Bringing to our problem

12¹⁶ ÷ 12⁴

12¹⁶⁻⁴

<h2>12¹²</h2>

4 0
3 years ago
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