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ra1l [238]
2 years ago
5

Describe why you can change a subtraction problem into an addition problem

Mathematics
1 answer:
Elena-2011 [213]2 years ago
8 0
A subtraction problem can be turned in to an addition problem because of negative numbers. Take 5-2=3 for example. If you change 5-2 into an addition problem then you would but he addition sign and a negative sign on 2. This will then leave you with the problem looking like 5+ -2. If you add 5 and -2 you will still get three.
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Step-by-step explanation:

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a store had 600 pounds of feed. after delivering equal amounts to 4 farmers , there are 60 pounds left. how many pounds did each
Daniel [21]

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Step-by-step explanation:

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6 0
2 years ago
I NEED HELP ASAP!! WILL MAKE YOU BRAINLIEST IF RIGHT +40 points!
Simora [160]

The standard form of a quadratic equation is ,

ax² + bx + c = 0.

And the formula to find the discriminant is b² - 4ac.

Here the first step is to change the given equation into standard form. So, add 1 to each sides of the equation. Therefore,

2x² – 9x + 2+1 = –1 + 1

2x² – 9x + 3 = 0

Next step is to compare the given equation with this equation to get the value of a, b and c.

After comparing the equations we will get a = 2, b = -9 and c = 3.

So, discriminant = b²- 4ac

=( -9)²-4 (2)(3)

= 81 - 24

= 57

So, discriminant of the given equation is 57.

57 is greater than 0 and square root of 57 will result real number.

So, the correct choice is C: The discriminant is greater than 0, so there are two real roots.

8 0
2 years ago
Read 2 more answers
If m∠RQS=22x-11 and m∠RQT=12x-8, find m∠TQS
Arada [10]

Answer:

∡TQS = 10x -3

Step-by-step explanation:

∡TQS = ∡RQS - ∡RQT

= 22x - 11 - (12x - 8)

= 10x -3

3 0
3 years ago
If possible, find (a) A - B, (b) 3A, (c) 3A - 2B, and (d) AB in these two rows. Thanks a lot.
Brums [2.3K]
Wow matrixes gg
a)[ 1   1   4  ]
   [-7  -6  -1 ]
   [ 0   4   0 ]

b)[ 15  12  12  ]
    [-12  -12  0 ]
     [3    6    0 ]

c)[  7  4   12     ]
   [ -18  -16  -2 ]
   [ 1     10    0  ]

d) I forgot how to do d lol so heres all I got.
4 0
3 years ago
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