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2 years ago

PLEASE HELP I HAVE 5 MIN TO TURN THIS IN!!!!!!!!!!!!!

Mathematics

2 answers:

Levart [38]2 years ago

8 0

Answer:

Step-by-step explanation:

(-5x² - 9x + 6) + (6x² + 10)

= -5x² - 9x + 6 + 6x² + 10

= 6x² - 5x² - 9x + 6 + 10

= x² - 9x + 16

s344n2d4d5 [400]2 years ago

6 0

Answer:

The answer is x²-9x+16

Step-by-step explanation:

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3 years ago

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Slope intercept form of a line that has a slope of -3/4 and passes through (4, 3)

tia_tia [17]

<h3>Explanation</h3>

First Method

We have the given slope value and the coordinate point that the graph passes through.

$y = mx + b$

where m = slope and b = y-intercept. Substitute the value of slope in the equation.

$y = - \frac{3}{4} x + b$

We have the given coordinate point as well. After we substitute the slope, we substitute the coordinate point value in the equation.

$3 = - \frac{3}{4} (4) + b \\$

Solve the equation for b-term

$3 = - 3 + b \\ 3 + 3 = b \\ 6 = b$

The value of b is 6. We substitute the value of b in the equation.

$y = - \frac{3}{4} x + 6$

Second Method

We can also use the Point-Slope form to solve the question.

$y - y_1 = m(x - x_1)$

Given the y1 and x1 = the coordinate point value.

Substitute the slope and coordinate point value in the point slope form.

$y - 3 = - \frac{3}{4} (x - 4)$

Simplify/Convert into Slope-intercept

$y = - \frac{3}{4} (x - 4) + 3 \\ y = - \frac{3}{4} x + \frac{12}{4} + 3 \\ y = - \frac{3}{4} x + 3 + 3 \\y = - \frac{3}{4} x + 6$

<h3>Answer</h3>

 $\large \boxed {y = - \frac{3}{4} x + 6}$ 

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2 years ago

Question 15

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Answer:

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Step-by-step explanation:

5 out of the 100 cards are free lunches simplified it would be

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3 years ago

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What is.. 4x-2=(x+3)+2

Contact [7]

Answer:

x = 7/3

Step-by-step explanation:

4x - 2 = x + 3 + 2

4x - 2 = x + 5

Rearranging the terms, we get,

4x - x = 5 + 2

3x = 7

x = 7/3

Hence, x = 7/3.

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3 years ago

Solve the system of equations by substituion, -5x + y = 3 7.5x - 1.5y = 3

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The first equation, make the y as the subject. y = 3 + 5x, then substitute y in the second equation and you will get the value of x. then, substitute the x in the first equation (y = 3 + 5x)

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