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suter [353]
3 years ago
5

How do you graph x - y < 4

Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

Step-by-step explanation:

first move everything so y is alone

-y < 4-x

when you divide by a negative, the sign changes

so y > -4+x or y > x -4

first you graph this as a normal line (y=x-4)

here are some points to plot

(-2,-6)

(0,-4)

(2,-2)

connect those dots

because this equation is an inequality it is saying that the solutions for y are greater than x-4 so you have to shade the region above the line you made

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5 7 5 7 5 5
yaroslaw [1]
Idk this one sorry loooolloooooo
7 0
4 years ago
A game of chance involves rolling a 16-sided die once. If a number from 1 to 3 comes up, you win 4 dollars. If the number 4 or 5
STALIN [3.7K]

Answer:

-$1.8

or loss of $1.8

Step-by-step explanation:

Given the following parameters, we have

The probability of winning $4 is 3/16

The probability of winning $7 is 2/16

The probability of losing $5 is 11/16

E(X) = (4 * 3/16) + (7 * 2/16) + (-5 * 11/16)

= 12/16 + 14/16 - 55/16

= -29/16

= -1.8

Hence, your expected net "winnings" would be -$1.8. That's an expected loss of $1.8.

4 0
3 years ago
Solve for side AB, must show work
shutvik [7]
Cos = adj/hyp
hyp = AB
cos(25) = 7/AB
AB = 7.7
6 0
3 years ago
Read 2 more answers
Which expression is equivalent to 8r+16
Sedaia [141]

Answer:

8(r+2)

hope this helps

have a good day :)

Step-by-step explanation:

4 0
3 years ago
Solve for x in each of the following quadratic equations.
Eduardwww [97]
Okay so...
x² = 5x + 24          move it, so one side equals zero.
 x² - 5x - 24 =0    factors of 24 is 3 and 8 when you subtract 8 from 3 you get -5.
(x+3)(x-8)
x+3= 0    or    x-8=0       
x= -3       or    x=8

b. 2x² - 5x + 1=0
 quadratic formula = -b +-√b²-4ac / 2a
a= 2 b= -5 c=1
-(-5) +-√(-5)² - 4(2)(1) / 2(2)

5+-√25 - 8 / 4
   =5 +- √17 / 4

x= 5/4 + √17 / 4   or    x= 5/4 - √17/4

i couldn't find the plus-minus sign that why there's (+-)
i hope this helps!   :)
5 0
4 years ago
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