Answer:
<h3>The answer is option B</h3>
Step-by-step explanation:
Perimeter of a rectangle = 2l + 2w
where
l is the length
w is the width
From the question
l = 12m
w = 400 cm
First we must convert the length from meters to centimeters
1 m = 100 cm
12 m = 12 × 100 = 1200 cm
So l = 1200 cm
Substitute the values into the above formula
We have
Perimeter = 2(1200) + 2(400)
= 2400 + 800
We have the final answer as
<h3>Perimeter = 3200 cm</h3>
Hope this helps you
Answer:
A linear equation can be written in many ways, so the way we can use to solve a system of linear equations depends on the form the system is written. There are several methods to do this, the more common are: Method of Equalization, Substitution Method, Elimination Method.
<h2>Answer</h2>
The original price of the shoes was £60
<h2>Explanation</h2>
Let be the original price of the shoes
We know that the original price minus 10% of the original price is equal £54, so we can translate this into an equation: x-10%x = £54. Notice that before solving our equation, is better to convert 10% to decimal so we can simplify our calculations; to do it, we are diving it by 100%:
Now we can rewrite our equation and solve for :
x-10%x = £54
We can conclude that the original price of the shoes was £60
Answer:
Step-by-step explanation:
Given
Required
Solve
Change / to *
Factor out 3
Factorize:
Cancel out 3x + 8
Factorize:
Combine
Express the numerator as a difference of two squares
Hence:
Answer:
this is my answer for this question
21.5