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MAXImum [283]
2 years ago
14

Find the slope of the line passes through the points (1, -4) and (4,2)

Mathematics
1 answer:
nasty-shy [4]2 years ago
7 0
For
(x1,y1) and (x2,y2)
slope=(y2-y1)/(x2-x1)

(1,-4)
(4,2)
x1=1
y1=-4
x2=4
y2=2

slope=(2-(-4))/(4-1)=(2+4)/3=6/3=2

slope=2
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Suppose you are going to draw two cards from a standard deck without replacement. What is the probability that the first card is
Pavel [41]

Answer:

4/663

Step-by-step explanation:

1/13 = probability of ace (as 1st card)

4/51 = probability of jack (as 2nd card) -->

4/663

5 0
3 years ago
The perimeter of a rectangle is twice the
Shkiper50 [21]

Answer:

L=16 W=7

Step-by-step explanation:

P=2(L+W)

L=2W+2

46=2(2W+2)+2W

(((7×2)+2)=16×2=32

(16-2)/2=7×2=14

32+14=46 or 16+16+7+7=46

3 0
3 years ago
A swimming pool can be filled in 18 hours if water enters through a pipe​ alone, or in 25 hours if water enters through a hose a
pychu [463]
I am not sure, but this is what I got:
 <span>Pipe ALONE = 18 hours 

Pipe ALONE in 1 hour = 1/18 of the pool 

Hose ALONE in 1 hour = 1/25 of the pool 

TOGETHER in 1 HOUR = 1/18 +1/25 = 43/450 

TOGETHER they will fill the pool in 450/43 hours 

So 5/6 of the pool will take 5/6 X 450/43 = 2250/ 258 = 8.7209302 hours OR 

8 hours AND 43.26 minutes ANSWER
</span>
Hope this helps!


6 0
2 years ago
What is the range of the function? f(x) = -2^x + 1
Readme [11.4K]

{y|1 > y}, (-∞, 1); you did not specifically mention what notation you needed, so I wrote both [Internal Notation and Set Notation].

6 0
2 years ago
Read 2 more answers
HEEEEEELP !
iogann1982 [59]

If you meant to write y=23x-4 then none of the lines are perpendicular.

I suspect you intended y=2/3x-4, then line D, y=-3/2x-4 is perpendicular.

For any line y=mx+b, you have to "invert" m to get  a perpendicular line. Inverting in this case means: flip numerator and denominator and add a minus sign.

So 2/3 becomes -3/2, hence answer D.

The 'inverted' m is called the opposite reciprocal. That's your word of the day.


6 0
3 years ago
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