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8_murik_8 [283]
3 years ago
10

Find three integer or decimal solutions to the following equation, and then graph the solution set.

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
6 0

Answer:

(0 ; -1 )   , (1/4 ; 0)  , (-1 ; -5)

Step-by-step explanation:

y=4x-1

x=0   y=-1

x=1/4   y=0

x=- 1   y= -5

so : three integer or decimal   (0 ; -1 )   , (1/4 ; 0)  , (-1 ; -5) you can draw the graph

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tino4ka555 [31]

Answer:

20cos(39) or  15.543 (3 d.p.)

Step-by-step explanation:

  • Use SOHCAHTOA
  • You want to find A and have an angle of 36° and H
  • So use CAH
  • cos(39) = x / 20
  • x = 20cos(39)
8 0
2 years ago
What is the mean of 65,30,25
mixas84 [53]
You've got 3 values there.

Get the sum of 65, 30 and 25 and divide their sum by the number of values that exist, which in this case is 3.

\frac { 65+30+25 }{ 3 } =\frac { 120 }{ 3 } =40

Answer:

40
5 0
3 years ago
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A bed is on sale for 25% off of its original price. It originally cost $879.00. How much is the sale price of the bed?
Arturiano [62]

Answer:

$659.25

Step-by-step explanation:

Since its 25 percent off we need to see what it would look as a decimal

1-.25=.75

879times.75= 659.25

5 0
3 years ago
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Many companies "grade on a bell curve" to compare the performance of their managers and professional workers. This forces the us
GarryVolchara [31]

Answer:

option A

Step-by-step explanation:

given,

10% A grades     80% B grades      10% C grades

This year, managers with scores less than 35 received C's and those with scores above 425 received A's.

The mean has to be middle of two corresponding cutoff value

              \mu = \dfrac{35+425}{2}

                      μ = 230

Cutoff Off C grade corresponds with the area of 0.10 is table A.

corresponding z- score according to Table A

           Z = -1.28

now, standard deviation

    z = \dfrac{x-\mu}{\sigma}

    \sigma= \dfrac{x-\mu}{z}

    \sigma= \dfrac{35-230}{-1.28}

       σ = 152.3

Correct answer is option A

4 0
3 years ago
What is the answer to 9x+2x=-7y
Inga [223]
11x = -7y
this is the answer because you combine the x together
4 0
3 years ago
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