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2 years ago

Y=2x y=0.50x+18 solve by substitution

Mathematics

1 answer:

prohojiy [21]2 years ago

6 0

Answer:

y = 18 + 0.50x

Step-by-step explanation:

I think that is the answer.

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Solve the system of equations.

Zina [86]

Answer:
C. (5,3)
Explanation:
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3 years ago

What is the domain for each function below? Choose the correct inequality symbol from the drop down menu and fill in the blank w

erik [133]

Answer:

$x \le 3$

$x \ge 0$

Step-by-step explanation:

The functions, missing from the question are:

$f(x) = \sqrt{3 - x$

$f(x) = \sqrt{3 x$

Required

Determine the domain

To get the domain, means we want to get the possible values of x.

(a)

$f(x) = \sqrt{3 - x$

Equate 3 - x to 0

$3 - x = 0$

Solve for x

$-x = -3$

$x = 3$

From the calculated value of x above;

When x exceeds 3; f(x) = undefined

So: the domain is:

$x \le 3$

(b)

$f(x) = \sqrt{3x$

Equate 3x to 0

$3x = 0$

Solve for x

$x = 0$

From the calculated value of x above;

When x falls below 0; f(x) = undefined

So: the domain is:

$x \ge 0$

4 0

2 years ago