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3 years ago

HELP ME OUT how to I Graph 12 + 8y < -20 on a lumber line

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

6 0

Answer:

Checkout the screenshot below the explanation.

Step-by-step explanation:

1. First, we have to simplify the inequality.

Step 1: Subtract 12 from both sides.

$8y + 12 - 12 < -20 - 12$
$8y < -32$

Step 2: Divide both sides by 8.

$\frac{8y}{8} < \frac{-32}{8}$
$y < -4$

2. Now that we simplified our inequality down to y < -4, that means that all the values of y are less than -4.

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PLEASE HELP<br>L has y-intercept (0,5) and is perpendicular to the line with equation y=1/3x+1

marin [14]

Answer:

y=-3x+5

Explanation:

Given a line L such that:

• L has y-intercept (0,5); and

• L is perpendicular to the line with equation y=(1/3)x+1.

We want to find the equation of the line in the slope-intercept form.

The slope-intercept form of the equation of a straight line is given as:

$\begin{equation} y=mx+b\text{ where }\begin{cases}m={slope} \\ b={y-intercept}\end{cases} \end{equation}$

Comparing the given line with the form above:

$y=\frac{1}{3}x+1\implies Slope,m=\frac{1}{3}$

Next, we find the slope of the perpendicular line L.

• Two lines are perpendicular if the product of their slopes is -1.

Let the slope of L = m1.

Since L and y=(1/3)x+1 are perpendicular, therefore:

$\begin{gathered} m_1\times\frac{1}{3}=-1 \\ \implies Slope\text{ of line L}=-3 \end{gathered}$

The y-intercept of L is at (0,5), therefore:

$y-intercept,b=5$

Substitute the slope, m=-3, and y-intercept, b=5 into the slope-intercept form.

$\begin{gathered} y=mx+b \\ y=-3x+5 \end{gathered}$

The equation of line L is:

$y=-3x+5$

7 0

1 year ago

Mario and his crew are headed to the beach. They start with 1500 coins and plan to spend 60 coins on one umbrella for the trip a

zysi [14]

Answer:

they have been on vacation for 2 days i think

Step-by-step explanation:

1500-60=1440

1440-1080= 360

360÷180=2

hope this helps

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3 years ago

Find the slope of the line graphed below. PLEASE HELP ME

kap26 [50]

Answer:

-3/5

Step-by-step explanation:

I was always taught rise over run. count how many units up/down the next point is and how many units over.

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3 years ago

PLS HURRY THIS IS REALLY HARD FOR ME(CLICK AND PINCH TO SEE ALL OR TO SEE CLOSE)Wrong subjact it English

Elanso [62]

Answer:

1. were living past

2. are playing present

3.were laughing past

4.is coming present

5. are talking present

6. are hiring present

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8.are bullying present

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Step-by-step explanation:

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3 years ago

Please answer this correctly

fomenos

Answer:

Median

Step-by-step explanation:

I believe this is median, as the mode and median stay the same numbers with and without 26, Mean 26, Mode 45, so the median would change the most as it goes from 23 to 26

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3 years ago

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