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grigory [225]
3 years ago
5

What is 4+5=20 +34+56

Mathematics
2 answers:
enyata [817]3 years ago
7 0

This question’s answer is no solution, unless there was a typo. If there was, comment, and i’ll Answer it!

maxonik [38]3 years ago
5 0
If you meant to put a multiplication symbol, the answer would be 110. If it was a addition symbol it would be 99.
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Choose all that apply :)
Veronika [31]

Answer:

1  Multiply the first equation by -1 then add the equations together

3. Multiply the second equation by -1 then add the equations together

4. Multiply the first equation by -2 then add the equations together

5. Multiply the first equation by 2 the second by -1 then add the equations together

Step-by-step explanation:

x+y = 7

2x+y = 5


1  Multiply the first equation by -1 then add the equations together

-x+-y = -7

2x+y = 5

---------------

x    =-2   then solve for y


2.  Multiply the second equation by -1 first equation by -1 then add the equations together

-x+-y = -7

-2x-y = -5

---------------

-3x -2y = -12

Still have both variables


3. Multiply the second equation by -1 then add the equations together

x+y = 7

-2x-y =- 5

----------------------

-x = 2


4. Multiply the first equation by -2 then add the equations together

-2x+-2y = -14

2x+y = 5

--------------

    -y = -9


5. Multiply the first equation by 2 the second by -1 then add the equations together

2x+2y = 14

-2x-y = -5

--------------

y = 9

7 0
3 years ago
Need help with this....
Fed [463]

Answer:

m ∠S = 43°

Step-by-step explanation:

Exterior angle = Sum of opposite interior angles

(6x)° = 77° + (2x + 3)°

6x = 77 + 2x + 3

6x - 2x = 77 + 3

4x = 80

x = 20

m ∠S = (2x + 3)° = 2(20) + 3 = 40 + 3 = 43°

4 0
3 years ago
Read 2 more answers
How to you solve g, 2/5g = 3/5
Romashka [77]
2/5g=3/5 multiply both sides by the reciprocal of 2/5 g=(3/5) (5/2) g=3/2
3 0
3 years ago
What is 190.5% of 99? 15 pts!
AVprozaik [17]

Answer:

W = 188.595

Step-by-step explanation:

We know that is means equals and of means multiply

W = 190.5% * 99

Changing to decimal form

W = 1.905 * 99

W = 188.595

7 0
3 years ago
Read 2 more answers
Which theory is supported by scientists gathering the additional evidence of seafloor spreading and magnetism?
Levart [38]

Answer:

Mid-Atlantic Ridge Theory

Step-by-step explanation:

hope this helps. :)

5 0
2 years ago
Read 2 more answers
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