. Solve the following system of equations :
21/x + 47/y= 110
27/x +21/y = 162
x, y ≠ 0
Answers
Answer:
Divide 10 into two parts in such a manner that if we add to each part its square root and form the product of the resulting sums, we obtain an integar.Giveyears = 28 years
breadth
Exercise 2.2
1.
2.
Two-thirds of a number is 5 more than half of it. What is the number?
Fifteen years from now Ravi's age will be four times his present age.
3. Ram has 3 times as many 2 coins as he has 5 coins. If he has in a
of 2 does he have?
4. The sum of three consecutive numbers is 156. Find the number w
numbers.
5. Divide 63 into two parts such that one part is
2
of the other.
Find a number whose fifth part increased by 30 is equal to itnumber is divided into two parts such that one part is 5 more than the other.If the parts are in the ratio 4:3,find the number and the two parts?
Given below are the ages of 30 students of Class-VIII in a school.
13
14
14
12.
15
15
14
13
13
14
14
13
14
14
12
14
13
12
13
14
14
13
12
13
12
13
14
15
14
an
Answer:
21u+47=100
21u=100-47
21u=63
u=63/21
u=3
now,
x=1/u=1/3
y = 1/v =1/1=1
so,x=1/3,y=1
Step-by-step explanation:
पहले सारी फोटो है उसके बाद इस आंसर को लिखना जो मैंने आंसर लिख कर भेजा है
