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Degger [83]
3 years ago
15

Convert the equation (y + 2) = –1/3(x – 4) to the point-slope form. Then fill in the blanks below to describe how to graph the e

quation.
Plot the point _______, move _______ unit(s) down, and _______ unit(s) over to find the next point on the line. 
Mathematics
1 answer:
alisha [4.7K]3 years ago
7 0
The point-slope form of the equation of the line is:

(y - y1) = m (x - x1)

So, (y + 2) = - 1/3 (x - 4) in the point-slope form is:

 [y - (-2) ] = (-1/3) [ x - 4 ]

You must, then realize that the line passes through the point (4,-2) and its slope is - 1 /3.

That slope, -1 / 3, means that the function is decresing (because the slope is negative),  and it decreases one unit when x increases 3 units.

Now you can fill in the blanks in this way:

Plot the point  (4, -2), move 1 unit down, and 3 units over to find the next point on the line.
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The DeJeu family plan to drive to Marietta, GA to Newark, NJ. The distance is about 880 miles and the majority of their trip wil
iVinArrow [24]

Answer:

10:02:24\ \text{pm}

Step-by-step explanation:

d = Distance to travel = 880 miles

s = Average speed of the car = 65 mph

Time taken to cover the distance is

t=\dfrac{d}{s}\\\Rightarrow t=\dfrac{880}{65}\\\Rightarrow t=\dfrac{176}{13}\ \text{h}=13.54\ \text{hours}

Time the car stopped

3\times 10+60=90\ \text{minutes}=1.5\ \text{hours}

Total time of the journey

13.54+1.5=15.04\ \text{hours}

Converting 0.04\ \text{hours} to minutes

0.04\times 60=2.4

So, the total time taken for the journey is 15\ \text{hours and }2\ \text{minutes and }24\text{seconds}

Time when they reach their destination

7:30+15:2.4\approx 10:02:24\ \text{pm}

8 0
2 years ago
F(x) = 3x^2+ 4x^2 – 8x - 2<br> g(x) = 3x - 5<br> Find (f - g)(x).
sweet [91]
The answer is D. 3x^3+4x^2-11x+3
6 0
2 years ago
(3x+1)^2-2(3x+1)(3x+5)^2+(3x+5)^2 ​
Savatey [412]

Answer:

soln,

write the question

=9x^2+1-6x-2×9x^2+25+9x^2+25

=9x^2+1-6x-18x^2+25+9x^2+25

=9x^2-18x^2+9x^2+1+25+25-6x

=51-6x

if(3x+1)^2 mean that (3x+1)has power of 2 and u don't have to use the formula this is the answer

Step-by-step explanation:

it's just BODMAS method

6 0
2 years ago
The speed of sound in water is 1498 m/s. a sonar signal is sent straight down from a ship at a point just below the water surfac
bulgar [2K]
The 1.8 s is the time for the signal to reach the ocean floor and return to the ship so the time to reach ocean floor = 1.8 / 2 = 0.90 seconds.
depth of ocean = speed * time

=  1498 * 0.90  =  1348.2 m  Answer
8 0
3 years ago
A filing unit has six shelves and holds 180 inches of filing. How many inches of filing does each shelf hold
Anestetic [448]

Answer:

Each shelf holds 30 inches of filling.

Step-by-step explanation:

Divide 180 inches of filling by  the six shelves and you get 30 inches of filling per shelf

You are welcome

5 0
2 years ago
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