The passing of heart through a material is called _____
2 answers:
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Given:
Short sides of a rectangle = 2 inches.
Area of the rectangle = 22 square inches.
The long sides of the same rectangle are three less than an unknown number of inches.
To find:
The unknown number.
Solution:
Let x be the unknown number. Then the longer side of the rectangle is (x-3) inches.
We know that the area of a rectangle is
The area of the rectangle is 22 square inches.
Divide both sides by 2.
Add 3 on both sides.
Therefore, the value of the unknown number is 14.
Answer:
The measure of the third side is
Step-by-step explanation:
we know that
Applying the law of cosines
where
C is the angle between side a and side b
we have
substitute
Answer:
x=−4
Step-by-step explanation:
12-3x=-6x
add -3x on both sides
12=-6x+3x
add -6x and 3x together
12=-3x
divide both sides with -3
-4=x
since -3*4= -12
hope this makes sense