![nisha87](/avatars/3681.jpg)
nisha87
06.03.2020 •
Mathematics
2x - 2y = 12
29. - 3y = -2
Solved
Show answers
More tips
- F Food and Cooking How to Make Thin Pancakes: Recipe and Tips...
- S Style and Beauty Is Hot Scissor Haircutting Beneficial or Dangerous?...
- S Style and Beauty How to Get Rid of Under Eye Bruises?...
- F Food and Cooking Is Bacon Good for You?...
- S Style and Beauty Discover the Art of Nail Design: How Do You Paint Your Nails?...
- P Philosophy How to Develop Extrasensory Abilities?...
- O Other Everything You Need to Know About Kudyabliks...
- C Computers and Internet The Twitter Phenomenon: What it is and How to Use it...
- C Computers and Internet How to Choose a Laptop: Expert Guide and Tips...
- C Computers and Internet How to Choose a Monitor?...
Answers on questions: Mathematics
- M Mathematics Given AE and BD bisect each other at point c, which congruence theorem would you use to prove triangle ABC =~ triangle EDC ?...
- M Mathematics Rob is saving money for a down payment on a house. he opens a savings account at his local bank and deposits $1000. he models his savings plan with the equation y = 400x + 1000...
- M Mathematics Solve the equation -10x+1+7x=37 a. x=-15 b. x=-12 c. x=12 d. x=15...
- M Mathematics The base of this right prism is an equilateral triangle. the approximate height of the base is 15.6 cm. what is the approximate surface area of the prism?...
- M Mathematics Aguy wire to a tower makes a 67° angle with level ground. at a point 33 ft farther from the tower than the wire but on the same side of the base as the wire, the angle of elevation...
- M Mathematics Apopular extreme sport is artificial wall climbing. a climber is resting at a height of 15 feet while on a climbing tower. if this is 30% of the towers total height find the height...
- M Mathematics Matematyka wokol nas klasa 4 zadanie 7 strona 219...
- M Mathematics Within the next few minutes! lianne drew a sphere with a radius of 7 in. she calculated its volume and wrote it below. ? pi/3in cubed. what value should be multiplied by pi in the...
- M Mathematics Find the lcd of the given rational equation: -3/x+2 + 5x/x-1 = x+2/x^2-3x+2...
- M Mathematics What is the gcf that can be factored out of each monomial term in 6x2-18x+15?...
Ответ:
Olá boa tarde meu nome é "Guilherme" sou de Brasil e vou resolver a sua pergunta
a ) 2x - 2y = 12
{ a 2
{ b 2
{ c 12
/\ = b elevado 2 -4 a.c
/\ = (2) elevado 2 -4 . 24
/\ = 4 -4 . 24
/\ = 24
X = -b+/ /\ = 2 - 5
2a 2
5
2
5
2
S = {20,10}
b) 29. - 3y = -2
{ a = 29
{ b = -3
{ c = -2
/\ = b elevado 2 -4 a.c
/\ = (-6) -4 . 58
/\ = -10 . 58
/\ = -48
X = b + / /\ = -3 + 24
5
3
5
3
S = { 15,15}
Espero ter ajudado
2a 2
Ответ:
24.50 x 8.50 = 33.0
131 ÷ 33 = 3.9696969697