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adoni [48]
3 years ago
10

2 points 5. What property is used to get from Step 1 to Step 2? * Step 1 : 28x + 10 = 66 Step 2: 28x = 56

Mathematics
1 answer:
borishaifa [10]3 years ago
8 0

Answer: subtraction property of equality

Step-by-step explanation:

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(√49 – 4)² - 5 as numeral
CaHeK987 [17]

Answer:

(7-4)^2 - 5

3^2 - 5

9-5

4 or IV

4 0
1 year ago
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Rewrite the equation 2x + 3y = 6 in slope-intercept form. y = -2 x + 6 y = - x + 2 y = 2 x + 6 3 y = -2 x + 6
Triss [41]
Step 1: Rewrite equation

2x+3y=6

Step 2: To get y alone on the left side, subtract 2x on both sides

2x+3y=6
-2x -2x
__________
3y=-2x+6

Step 3: Divide 3 on each number

3y=-2x+6
/3 /3 /3
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y=-2/3x+2

Final equation: y=-2/3x+2

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7 0
3 years ago
What two numbers add to 15 and multiply to negative 312?
natima [27]
X + y = 15
xy = -312

     x + y = 15
x - x + y = -x + 15
           y = -x + 15

                                           xy = -312
                               x(-x + 15) = -312
                           x(-x) + x(15) = -312
                                 -x² + 15x = -312
                       -x² + 15x + 312 = 0
           -1(x²) - 1(-15x) - 1(312) = 0
                    -1(x² - 15x + 312) = 0
                                  -1              -1
                          x² - 15x + 312 = 0
                          x = -(-15) ± √((-15)² - 4(1)(312))
                                                  2(1)
                          x = 15 ± √(225 - 1248)
                                               2
                          x = 15 ± √(-1023)
                                         2
                          x = 15 ± 31.984i
                                         2
                          x = 7.5 ± 15.992
                          x = 7.5 + 15.992    or    x = 7.5 - 15.992
                          x = 23.492        or         x = -8.492

              x + y = 15
     23.492 + y = 15
   - 23.492        - 23.492
                    y = -8.492
              (x, y) = (23.492, -8.492)

                      or

              x + y = 15
     -8.492 + y = 15
   + 8.492         + 8.492
                   y = 23.492
             (x, y) = (-8.492, 23.492)

The two numbers that add up to 15 and mutliply to -312 are -8.492 and 23.492.
6 0
3 years ago
Write the equation of the line passing through points (2, - 2) and (1, 0) in slope intercept form
Arte-miy333 [17]
First find the slope
(0+2)/(1-2) = 2/-1 = -2
Y = mx + b
Y = -2x + b
Plot in any point
-2 = -2(2) + b, b = 2
Solution: y = -2x + 2
4 0
3 years ago
Solve (x – 3)= 5<br> Give your solutions correct to 3 significant figures.
nekit [7.7K]

Answer:

x=8

Step-by-step explanation:

x=5+3

= 8

5 0
3 years ago
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