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3 years ago

Please n thank chuu

Mathematics

2 answers:

Burka [1]3 years ago

8 0

Answer:

Step-by-step explanation:

I am not sure though..it just seems to make more sense

kifflom [539]3 years ago

6 0

Answer is E
(-2.5)^2 is 6.25

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Which line is perpendicular to a line that has a slope of -1/3?

Sliva [168]

Answer:

Option (c)

Step-by-step explanation:

Slope of a line that passing through two points M(-1, 4) and N(2, -5),

$m_1$ = $\frac{y_2-y_1}{x_2-x_1}$

= $\frac{-1-2}{4+5}$

= -( $\frac{3}{9}$ )

= - $\frac{1}{3}$

To find the line perpendicular line to MN we will use the property,

$m_1\times m_2=-1$

Where $m_1$ and $m_2$ are the slopes of two perpendicular lines.

Slope of line perpendicular to MN $(m_2)$ will be,

$-\frac{1}{3}\times m_2=-1$

$m_2=3$

Slope of line joining two points J(-3, -4) and K(3, -2),

Slope = $\frac{-4+2}{-3-3}=\frac{1}{3}$

Slope of line joining two points A(-3, 2) and B(3, 0)

Slope = $\frac{2-0}{-3-3}=-\frac{1}{3}$

Slope of the line joining points E(0, -3) and F(2, 3),

Slope = $\frac{-3-3}{0-2}$ = 3

Therefore, line EF is perpendicular to the line MN.

Option (c) is the answer.

8 0

3 years ago

Solve the following system of equations:<br><br> x − 2y = 6<br> 2x − 4y = 10

Darya [45]

Easy One way to solve this system of equations would be by substitution. It would helpful to write these equation in the form y=mx + b in order to substitute one equation to the other. We do as follows:

1.) x - 2y = 6
y = x/2 -3

2.) 2x - 4y = 10
y = x/2 - 5/2

As we look at the rearranged equations, we see that their slopes are equal which means they are parallel lines so they do not intersect at one point. There is no solution for this system of equations.

3 0

3 years ago

Please help and thank you

ziro4ka [17]

The LCD is x^2+3x+2 = (x+2)(x+1)
The goal is to get each fraction to have the denominator be equal to the LCD
Afterward we can add the fractions

x/(x^2+3x+2) + 3/(x+1)
x/((x+2)(x+1)) + 3/(x+1)
x/((x+2)(x+1)) + (3(x+2))/((x+2)(x+1))
(x+3(x+2))/((x+2)(x+1))
(x+3x+6)/(x^2+3x+2)
(4x+6)/(x^2+3x+2)

--------------------------------------------------

Final Answer: 4x+6

Note: you can factor 4x+6 to get 2(2x+3)

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4 years ago

A bag contains 4 blue and 6 green marbles. Two marbles are selected at random from the bag. find each of the following probabili

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Answer

40% and 60% then decimal form

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3 years ago

A local high school held a two-day fundraiser selling lunches. The equations shown represent the amount of money the school coll

Likurg_2 [28]

It will be a kid getting hit in the leg by the kids in the lunch table so it will be 4

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3 years ago

Please n thank chuu ​

Please n thank chuu