Question

Insen
Table
Chart
Text
Shape
Media
Comment
Collaborate
Chapter-11 (ALGEBRA)
Q1:-Write an algebraic expression for each of the following:
(a) 3 subtracted from a number y.
(b) 5 is added to three times a number x.
(c) The sum of a number x and 4 is doubled.
(b) One fourth of a number x is added to one third of the same number.
Q2:- The teacher distributes 5 pencils per student. Can you tell how many pencils
are needed, given the number of students? (Uses for number of students.)
Q3:- Deepak's present age is one-third his mother's present age. If the mother's
age was five times his age 6 years ago, what are their present ages?
Q4:- Find the value of the expression 2x - 3y + 4z, if x = 10, y = -12 and z = 11.
Q5:- Pick the solution from the values given in the bracket for 2x - 12.
I
(X=-2,3,4,-4). Show working for each value.
Q6:-Think of a number "y", add 2 to it and then multiply the sum by 6, the result is
42. Find the value of y.
Q7:- Anshika's Score in Science is 15 more than the two-third of her score in
Sanskrit. If she scores x marks in Sanskrit, find her score in Science,​

Answer 1

Answer:

Mark as brainliest and

like the answer

Step-by-step explanation:

Solution (i): y\ -\ zy − z

Solution (ii): \frac{1}{2}\left(x+y\right)\ or\ \frac{x\ +\ y}{2}

2

1

(x+y) or

2

x + y

Solution (iii): z\times z\ =\ z^2z×z = z

2

Solution (iv): \frac{1}{4}pq\ or\ \frac{pq}{4}

4

1

pq or

4

pq

Solution (v): ^{x^2\ +\ y^2}

x

2

+ y

2

Solution (vi): 3mn\ +\ 53mn + 5

Solution (vii): 10\ -\ yz10 − yz

Solution (viii) ab\ -\ \left(a+b\right)ab − (a+b)