Carman spent 42$ on 6 hats how much did each hat cost. Its for my sisters elementary school class and i dont even know the awnse
1 answer:
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Given:
The length of a rectangle is 3 cm less than its width.
The area of the rectangle is 270 cm².
To find:
The dimensions of the rectangle.
Solution:
Let x be the width of the rectangle. Then,
Area of a rectangle is:
Splitting the middle term, we get
Width of the rectangle cannot be negative. So, the only value of x is 18.
Therefore, the length of the rectangle is 15 cm and the width of the rectangle is 18 cm.
The first number is 90, the one(second) number is 630, and the third number is 190.
<h3>Word problems leading to the algebraic equation:</h3>Word problems in mathematics are words written with a mathematical approach and it requires the use of the student's understanding of various mathematical concepts to arrive at a probable solution to the word problems. Word problems are used in mathematics to solve our daily life challenges.
From the given information, given that:
- Let the first number be x
- One(second) number is 7 times the first number. Let that number be
- A third number is 100 more than the first number i.e
The sum of these three numbers is 910. i.e.
x+ y + z = 910
It implies that:
x + 7x + 100 + x 910
9x + 100 = 910
9x = 900 - 100
9x = 810
x = 90
y = 7(90) = 630
z = 100 + 90 = 190
Learn more about word problems in mathematics here:
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