Maths-
General
Easy

Question

A farmer wants to plant three rectangular fields so that the widths are the same. The areas of the fields, in square yards, are given by the expressions 12 x squared y comma 9 x y squared and 21 x y. What is the width of the fields if x =3  and y = 4.

hintHint:

  • The area of rectangle is the product of its length and width.

The correct answer is: Width will be 36


    • We have been given in the question that a farmer wants to plant three rectangular fields so that the widths are the same.
    • We have also been given the areas of the field in square yards are given by the expressions 12𝑥 2𝑦, 9𝑥𝑦 2, 𝑎𝑛𝑑 21𝑥y.
    • We have to find the width of the fields if 𝑥 = 3 𝑎𝑛𝑑 𝑦 = 4.
    Step 1 of 1:
    Since, the width is common we have to find the GCD of the three areas

     12 x squared y space comma space 9 x y space comma space 21 x y
    So,

     table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell 12 x squared y equals 3 cross times 4 cross times x cross times x cross times y end cell end table

      table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row blank row cell 9 x y equals 3 cross times 3 cross times x cross times y end cell row blank end table

    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell 21 x y equals 3 cross times 7 cross times x cross times y end cell end table
    Hence, The GCD will be 3 × x × y
    Now it is given that x = 3 ,y = 4
    Width will be

     = 3 × x × y

     = 3 × 3 × 4

     = 36

    Related Questions to study

    General
    Maths-

    (ii) x2 + y2, 2x2, –3y2, 3x2 – 4y2

    (ii) x2 + y2, 2x2, –3y2, 3x2 – 4y2

    Maths-General
    General
    Maths-

    Find the sum of the following expressions.
    (i) x + y + z, y – z, x – y, –x + z (ii) x2 + y2, 2x2, –3y2, 3x2 – 4y2

    Find the sum of the following expressions.
    (i) x + y + z, y – z, x – y, –x + z (ii) x2 + y2, 2x2, –3y2, 3x2 – 4y2

    Maths-General
    General
    Maths-

    Use a ruler and protractor to draw an acute triangle. Mark the largest angle and longest side in red and the smallest angle and shortest side in blue. What do you notice?

    Use a ruler and protractor to draw an acute triangle. Mark the largest angle and longest side in red and the smallest angle and shortest side in blue. What do you notice?

    Maths-General
    parallel
    General
    Maths-

    Factor out the GCF from the given polynomial.
    x to the power of 10 minus x to the power of 9 plus x to the power of 8

    Factor out the GCF from the given polynomial.
    x to the power of 10 minus x to the power of 9 plus x to the power of 8

    Maths-General
    General
    Maths-

    How can you tell from the angle measures of a triangle which side of the triangle is the longest? The shortest?

    How can you tell from the angle measures of a triangle which side of the triangle is the longest? The shortest?

    Maths-General
    General
    Maths-

    A triangle has one side of 11 inches and another of 15 inches. Describe the possible lengths of the third side.

    A triangle has one side of 11 inches and another of 15 inches. Describe the possible lengths of the third side.

    Maths-General
    parallel
    General
    Maths-

    A triangle has one side of length 12 and another of length 8. Describe the possible lengths of the third side.

    A triangle has one side of length 12 and another of length 8. Describe the possible lengths of the third side.

    Maths-General
    General
    Maths-

    (ii) – 3ab, –17ab, 8ab, – 4ab

    (ii) – 3ab, –17ab, 8ab, – 4ab

    Maths-General
    General
    Maths-

    Factor out the GCF from the given polynomial.
    15 x cubed y minus 10 x squared y cubed

    Factor out the GCF from the given polynomial.
    15 x cubed y minus 10 x squared y cubed

    Maths-General
    parallel
    General
    Maths-

    Two angles form a linear pair. the measure of one angle is 3 times the measure of the other. Find the measure of each angle.

    Two angles form a linear pair. the measure of one angle is 3 times the measure of the other. Find the measure of each angle.

    Maths-General
    General
    Maths-

    List the angles of from smallest to largest.

    List the angles of from smallest to largest.

    Maths-General
    General
    Maths-

    Identify angles in linear pair. Also highlight the vertical angle of straight angle A B E

    Identify angles in linear pair. Also highlight the vertical angle of straight angle A B E

    Maths-General
    parallel
    General
    Maths-

    List the sides of △ 𝐷𝐸𝐹 from shortest to longest

    List the sides of △ 𝐷𝐸𝐹 from shortest to longest

    Maths-General
    General
    Maths-

    Identify all pairs of vertical angles.

    Identify all pairs of vertical angles.

    Maths-General
    General
    Maths-

    Find the sum of the following expressions.
    (i) 5x, – 3x, 4x, –10x

    Find the sum of the following expressions.
    (i) 5x, – 3x, 4x, –10x

    Maths-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.