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3 years ago

Y-2x + 1 How to do it

Mathematics

2 answers:

patriot [66]3 years ago

4 0

Answer:

It is in simplest form so you leave it like that

Step-by-step explanation:

vladimir1956 [14]3 years ago

3 0

The problem is already done , there is nothing else left to do!

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If f(n) = 3n+ 5 , find f(-3). soln, 3n+ 5

CaHeK987 [17]

Hope it helps! If it is, Brainliest please!

7 0

3 years ago

Read 2 more answers

What expression is equivalent to 6 × 10^−4/2 × 10^3

Ksivusya [100]

The correct answer is: [A]: " 3 * 10 ⁻⁷ " .

_____________________

Explanation:

To solve:

Given:

 (6 * 10⁻⁴ )  = (6 ÷ 2) * 10⁽⁻⁴ ⁻³⁾ = 3 * 10 ⁻⁷ ; which is:

(2 * 10³ )

→ Answer choice: [A]: " 3 * 10 ⁻⁷ " .

_____________________

4 0

3 years ago

PLEASE HELP!!!! Solve for x: 3(x + 1) = −2(x − 1) − 4. 1 −1 −5 −25

gtnhenbr [62]

I feel like I just solved this one. its -1 isn't it?

3 0

3 years ago

Which expression will simplify to 1?

JulsSmile [24]

Let us check each Option :

$\mathsf{First\;Option : \left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{m + 9}{m - 9}\right)}$

$\mathsf{\implies \left(\dfrac{m + 9}{m - 9}\right)^2\;\neq\;1}$

$\mathsf{Second\;Option : \left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{m - 9}{m + 9}\right)}$

$\mathsf{\implies 1}$

$\mathsf{Third\;Option : \left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{9 + m}{9 - m}\right)}$

$\mathsf{\implies \left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{m + 9}{-(m - 9)}\right)}$

$\mathsf{\implies-\left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{m + 9}{m - 9}\right)}$

$\mathsf{\implies-\left(\dfrac{m + 9}{m - 9}\right)^2\;\neq\;1}$

$\mathsf{Fourth\;Option : \left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{9 - m}{9 + m}\right)}$

$\mathsf{\implies \left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{-(m - 9)}{9 + m}\right)}$

$\mathsf{\implies -\left(\dfrac{m + 9}{m - 9}\right)\left(\dfrac{m - 9}{9 + m}\right)}$

$\mathsf{\implies -1\;\neq\;1}$

Answer : Option (2)

7 0

3 years ago

The chart shows the cost of tuition at a certain state university. Model the data in the chart with a linear function, using the

Dimas [21]

Answer:

The cost in 2007 - 2008 = $15,795.5

The linear model for the data is y = $650.5·x + $9290.5

Step-by-step explanation:

The given data can be presented as follows;

College year, x, Estimated tuition, y

1997-1998, 0, $9412

1998-1999, 1, $9941

1999-2000, 2, $10561

2000-2001, 3, $11242

2001-2002, 4, $11965

2002-2003, 5,

2003-2004, 6,

2004-2005, 7,

2005-2006, 8,

2006-2007, 9,

2007-2008, 10,

With points (1, 9941) and (3, 11242), we have the slope given by the equation;

$m = \dfrac{y_2 - y_1}{x_2 - x_1}$

Which gives;

$m = \dfrac{11242 - 9941}{3 - 1}= 650.5$

Therefore;

y - 11242 = 650.5 × (x - 3)

y= 650.5·x - 650.5 ×3 + 11242

y = 650.5·x + 9290.5

Therefore from the above table at 2007 - 2008, the value of x should be 10, we therefore have;

y = 650.5×10 + 9290.5 = $15,795.5

The cost (estimated tuition) in 2007 - 2008 = $15,795.5

The linear model for the data is y = 650.5·x + 9290.5.

4 0

3 years ago