Answer:
-228
Step-by-step explanation:
calculator :)
Answer:
<h2>x = 0 and x = 2</h2>
Step-by-step explanation:
Hey there :)
Let us change the sentence into mathematics:
Area of rectangle = 35 m²
Length of rectangle is 3 m more than twice the width = 3 + 3w
Width = w
We know the area formula of a rectangle
Area = length × width
Dimensions of the rectangle are:
35 = w ( 3 + 2w )
35 = 3w + 2w²
Take all values to one side and equate to 0
2w² + 3w - 35 = 0
Factor:
( 2w - 7 ) ( w + 5 ) = 0
w =
or w = - 5 ( Reject because lengths can never be negative )
Therefore the dimensions are:
Width = 3.5 mLength = 3 + 2 ( 3.5 ) = 10 m
Answer:
The volume of her cube is .
Step-by-step explanation:
The formula V = s³, where s represents the side length of the cube.
Side length of Marie’s cube is
We need to find the volume of the cube. We can find the volume of the cube using the above formula as follows :
So, the volume of her cube is .
Answer:
570cm squared
Step-by-step explanation:
Multiply 38 by 15.