Предмет: Алгебра, автор: VOLKOVA2013

Решить систему уравнений

х^2 + у^2 = 10
х - у = 2.

Ответы

Автор ответа: LOLxD98

$left { {{x^2+y^2= 10} atop {x-y = 2}} right. left { {{x^2+y^2= 10} atop {x=2-y}} right. left { {{(2-y)^2+y^2=10} atop {x=2-y}} right. \ (2-y)^2+y^2=10 \ y= (-1;3) \ x=2-(-1) \ x= 3 \ x=2-3 \ x= -1 \ x=3 \ y=-1$

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: andrej666

1. Say if the nouns are countable (C), uncountable (U) .

a. ham
b. tea
c. peach
d. onion
e. sugar
f. strawberry
g. coffee
h. meat
i. orange
j. jam
k. a cup of tea
l. a glass of milk
m. watermelon
n. bread
o. milk
p. butter

2. Fill in the gaps with a, an or some.
1) I’d like ________ sausages and ________ eggs, please.
2) I want ________ cheese and ham sandwich today.
3) Would you like ________ apple or ________ pear?
4) I want ________ chocolate ice cream with my fruit salad.
5) I’d like ________ steak, ________ rice and ________ green salad.
6) Do you want ________ chips with your chicken?
7) Would you like ________ strawberries or ________ grapes?
8) I’d like ________ egg and ________ cereals for breakfast.
9) Can I have ________ water or ________ juice, please?
10) Would you like ________ tea or would you prefer ________ a cup of coffee?
11) Would you like ________ mineral water? And ________ sweets, too?
12) I want ________ jam and ________ butter for my toast, please.
13) Do you want ________ sausages, or would you prefer ________ steak?
14) Can I have ________ biscuits and ________ glass of juice, please?

7 лет назад

Предмет: Математика, автор: alimzanovadilnaz08

помогите пж !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

7 лет назад

Предмет: Алгебра, автор: hnovrockaa

знайти суму всіх натуральних чисел, які кратні 9 і не більші за 192

Решить систему уравнений х^2 + у^2 = 10 х - у = 2.

Ответы

Решить систему уравнений

х^2 + у^2 = 10
х - у = 2.