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sdas [7]
3 years ago
5

Can some one help pelar

Mathematics
1 answer:
7nadin3 [17]3 years ago
8 0
The answer will be: x=-2
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What is the value of y so that order pair (-2,y) is a solution the equation 8x + y <br> =32
galina1969 [7]
8x + y = 32
8(-2) + y = 32
-16 + y = 32
y = 32 + 16
y = 48
8 0
3 years ago
Suppose that the given line has a slope of -2/3 and a y-intercept of (0,5/3). which of the following points is also a solution t
otez555 [7]

Answer:

From five given points it is find that points (1 , 1) and (4 , -1) will apply

Step-by-step explanation:

According to question,

Slop of line (m) = \frac{-2}{3}

And y-intercept is ( 0, \frac{5}{3})

So from above slope and points, the equation of line can be written as

y = mx + c

i.e \frac{5}{3} = \frac{-2}{3} x + c

    \frac{5}{3} = \frac{-2}{3} (0) + c

    \frac{5}{3} = 0 + c

Or, c = \frac{5}{3}

A) With points ( 5, \frac{5}{3} )

   At x = 5, y =\frac{-2}{3} (5) + \frac{5}{3}

            or, y = \frac{-10}{3} + \frac{5}{3}

            so, y = \frac{-5}{3}

Hence this points do not apply

B) With points ( 1 , 1 )

   At x = 1, y =  \frac{-2}{3} (1) +  \frac{5}{3}

      or,      y =  \frac{-2+5}{3}

      So,     y =  \frac{3}{3}

                y = 1

Hence this points will apply

C) With points ( 4 , -1 )

    At x = 4 , y =  \frac{-2}{3} (4) +  \frac{5}{3}

                    y =  \frac{-8+5}{3}

                    y =  \frac{-3}{3}

             So,  y= -1

Hence this points will apply

D) With points (-3 ,7)

    At x = - 3, y = \frac{-2}{3} (-3) +  \frac{5}{3}

                     y = \frac{14}{3}

 Hence this point will not apply

E) with points (0 , 0)

    At x 0,     y =  \frac{-2}{3} (0) +  \frac{5}{3}

               Or, y = 0 +  \frac{5}{3}

                     y =  \frac{5}{3}

Hence this point will not apply

∴ From above five given points it is find that points (1 , 1) and (4 , -1) apply

Answer

7 0
3 years ago
Which of the following expressions can be combined?
Rom4ik [11]

Answer:  Choice C

Work Shown:

2\sqrt{12} - 6\sqrt{27}\\\\2\sqrt{4*3} - 6\sqrt{9*3}\\\\2\sqrt{4}*\sqrt{3} - 6\sqrt{9}*\sqrt{3}\\\\2*2*\sqrt{3} - 6*3*\sqrt{3}\\\\4\sqrt{3} - 18\sqrt{3}\\\\(4-18)\sqrt{3}\\\\-14\sqrt{3}\\\\

In short,

2\sqrt{12} - 6\sqrt{27}=-14\sqrt{3}

3 0
2 years ago
Carly withdraws $18 from her bank account which number line represents this amount ?
taurus [48]

Answer:

it would be D

Step-by-step explanation:

5 0
3 years ago
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Rosemarie went to the store and bought some eyeliner for 7.70. two weeks later the price of the eyeliner was increased 60%
Alchen [17]

Answer:

Concept: Percentage Addition

  1. Your original price is 7.70
  2. It increased by 60%
  3. Hence you do 7.70 * .60 = x
  4. Whatever you get from (3) you add it to 7.70+x to get your final price
7 0
3 years ago
Read 2 more answers
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