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AURORKA [14]
3 years ago
13

three times a number plus three times a second number is fifteen. Four times the first plus twice the second number is fourteen.

Find the numbers.
Mathematics
1 answer:
garri49 [273]3 years ago
7 0

9514 1404 393

Answer:

  2 and 3

Step-by-step explanation:

Let x and y represent the first and second numbers, respectively.

  3x +3y = 15

  4x +2y = 14

Dividing the equations by common factors, we can rewrite them to standard form:

  x + y = 5

  2x + y = 7

Subtracting the first equation from the second gives ...

  (2x +y) -(x +y) = (7) -(5)

  x = 2

Using either equation to find y, we have also ...

  y = 3

The two numbers are 2 and 3.

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which of the following represent s of the graph of f (x) equals x exponent 3 think about the reflectional drive using Desmos.
ololo11 [35]

The correct answer is A.

lets discard the other options:

For B:

B is always positive, but f(x) is not, so B graph is not the answers

For C:

C is always positive too, so it cannot be the desire graph.

For D:

D is always negative, but we know that x exponent 3 is positive for all positive numbers,

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1 year ago
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Ganezh [65]

The initial value and base value are 12 and 4/3. The function is a growing function. The domain and the range of the function are real numbers.

<h3>What is an exponent?</h3>

The exponent denotes that the base will rise to a specific level of strength. The base is X, and the power is n.

The exponential function is given below.

f(x) = 12(4/3)ˣ

Then the initial value of the exponential function is 12.

Then the base value of the exponential function is 4/3.

If the base value if greater than 1 then the function is a growing function.

The domain and range of the function are real numbers.

More about the exponent link is given below.

brainly.com/question/5497425

#SPJ1

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3 years ago
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maksim [4K]
10.5 is more than 10.005
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4 years ago
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Answer:

No solutions.

Step-by-step explanation:

No solutions because these two lines are parallel.

You can tell by the slopes. Both slopes are equal -3.

The -2 and \frac{5}{8} vertically shift the lines.

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