Question

Asked Jan 20, 2020

1 views

Form the pair of linear equations in the following problems, and find their solutions graphically. 10 students of class X took part in a mathematics quiz. If the number of girls is 4

more than the number of boys, find the number of boys and girls who took part in the quiz.

Step 1

To determine the number of boys and girls that took part in the quiz.

Step 2

**Given:**

The number of girls that took part in the quiz is 4 more than the number of boys.

Step 3

Let the number of boys be x and the...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: What is meant by coincident lines? Give an example along with

A: Consider two lines “l” and “m” respectively as

Q: Solve x ym = y x3 for m

A: To solve the equation for “m”.

Q: S is 4 years older than J. 8 years ago, s was twice as old than J. What are the ages of S & J?

A: Let the age of S be x years, then the age of J is (x - 4) years, because S is 4 years older than J.

Q: A boy has enough money to buy 40 pens. If each pen costs 50 paise less, he could buy four more pens ...

A: Let the original price of each pen be x.

Q: Simplify | - x2 + 4x - 4 |.

A: Given,

Q: What does the product rule for exponents states?

A: Click to see the answer

Q: Solve the given quadratic equation by factoring: x2+x-12=0

A: Given quadratic equation is:

Q: Half the perimeter of a rectangle garden, whose length is 4 m more than its width, is 36 m. Find the...

A: Let l be the length and w be the width of the rectangular garden.

Q: I don’t know the answer, I guessed

A: Given an evaporating flask in which the water is filled at a constant rate.