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seraphim [82]
3 years ago
13

Two numbers that multiply to -49 and add up to 0

Mathematics
1 answer:
Elenna [48]3 years ago
6 0

The only way to do that is with  +7  and  -7 .

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The first three steps of completing the square to solve the quadratic equation x2 +4x-6=0
hodyreva [135]

Answer:


Step-by-step explanation:

1.  Move the 6 to the other side:   x^2 +4x                        =6

2.  Square half the coefficient of the x term:  (4/2)^2 = 4

3.  Add this 4, and then subtract this 4, from x^2 + 4x:

     x^2 +4x + 4 - 4                       =6

4.  Rewrite this perfect square as the square of a binomial:

      (x + 2)^2   -   4   = 6

5.  Add 4 to both sides:    (x + 2)^2 =  10

6.  Find the sqrt of both sides:  x + 2 = √

8 0
3 years ago
3 + 2x ≥ -4 solutions
erik [133]

Answer:

x  ≥ -7/2

Step-by-step explanation:

3 + 2x ≥ -4

Subtract 3 from each side

3-3 + 2x ≥ -4-3

2x ≥ -7

Divide each side by 2

2x/2  ≥ -7/2

x  ≥ -7/2

6 0
3 years ago
Read 2 more answers
Could someone help me solve this?
Andrew [12]
G has 2 local minimums, you can tell because there are 2 dips in the line before it goes of to infinity.
Both questions have the same answer so the answer to both would be
Local Min: (-2,-3), (3,0)
5 0
3 years ago
To use energy efficiently, a certain washing machine should wash at least 2 kilograms of clothes. To avoid overloading the machi
agasfer [191]

Step-by-step explanation:

the answer is in the image above

7 0
3 years ago
271403 rounded to the nearest ten thousand
ella [17]

Answer:

271,403 is rounded to 270,000 because the 1403 before it is less than 5000, 4 and below drop it down, 5 or more bump it up.

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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