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Sladkaya [172]
2 years ago
6

Find the equation of the line joining the points (4, 9) and (-1, 0)

Mathematics
1 answer:
Fed [463]2 years ago
4 0

The equation of the line joining the points (4, 9) and (-1, 0) is y = 9/5 x + 9/5

<h3>How to find the equation of a line?</h3>

The formula for calculating the equation of a line is expressed as:

y = mx + b

m is the slope

b is the intercept

Determine the slope:

Slope = 0-9/-1-4
Slope = -9/-5
Slope = 9/5

Determine the y-intecept

0 = 9/5(-1) + b

b = 9/5
Hence the equation of the line is y = 9/5 x + 9/5

Learn more on equation of a line here: brainly.com/question/13763238

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On the average, a certain light bulb is supposed to last 450 hours. If it
Dafna1 [17]

Answer:

72 novels

Step-by-step explanation:

A number of assumptions are involved regarding operating environment, utilization fraction, and probability of failure as a function of time. The precise meanings of the words "average", "supposed to last", "maximum", and "expect" are involved. The details are too arcane to go into here.

 (450 hours)/(6 1/4 hours/novel)

 = (450/(25/4)) novels

 = (450*4/25) novels

 = 72 novels

6 0
3 years ago
Rewrite these expressions using words: 3/4x(2 2/5-5/6)
myrzilka [38]

Answer:

Step by atep explaination :

  • \frac{3}{4}    means three₋fourth
  • 2\frac{2}{5}  means two and two₋fifths
  • \frac{5}{6}    means five₋sixth

An algebraic expression in words can be written as

A numbers three₋fourth times the subtractions of five₋sixths from two and two₋fifths

5 0
4 years ago
exercise alone. Two methods of collecting data have been proposed. Method I: Recruit volunteers who are willing to participate.
aniked [119]

Answer:

I) If method I is used, population of generalization will include all those people who may have varying exercising habits or routines.  They may or may not have a regular excersing habit.  In his case sample is taken from a more diverse population

II) Population of generalization will include people who will have similar excersing routines and habits if method II is used since sample is choosen from a specific population

Step-by-step explanation:

past excercising habits may affect the change in intensity to a targeted excersise in different manner. So in method I a greater diversity is included and result of excersing with or without a trainer will account for greater number of variables than method II.

5 0
4 years ago
Please help y’all plssss!!
Anettt [7]

Step-by-step explanation:

  1. according to bodmas .... brackets come first so the numerator (2-7)²+5 is 2-7= -5² hence -25 +5
  2. so the answer to the numerator becomes -25 +5 which is -20
  3. so u get -20/3 which when simplified u will obtain -6 and 2/3
8 0
3 years ago
PLS I NEED HELPPP<br> (if u don’t mind pls explain ur answer)
aleksley [76]
It’s x>1
Step-by-step
|3x+2|>3
step 1: add 2 both sides
|3x +2|-2+2>3+2
|3x+2|=5
step 2: solve absolute value
|3x+2|>2
we know either 3x+2> 3x+2<-5
3x+2>5 subtract two from both sides
3x+2-2>5-2
3x>3
Now divide three by both sides
X>1
4 0
3 years ago
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