Answer:
Step-by-step explanation:
Assuming this is in degrees, it is actually 0.
Answer:
The length of hypotenuse is 12.5
Step-by-step explanation:
First 7.5 x 7.5 = 56.25
Then 10 x 10 = 100
Add them together 56.25 + 100 = 156.25
Then square root 156.25 and you get 12.5
by calculating the given information and the equation in table
Answer:
A.
Step-by-step explanation:
We are told that three that the sum of 5 and a number is between 12 and 21 which means:

Divide all sides by 3:



Subtract 5 on both sides:

Simplify:

So the answer is A.
Slightly different route:

Distribute 3 to the terms in the ( ) next to it:

Subtract all sides by 15:

Simplify:

Divide both sides by 3:

Simplify:

Let
x-------> the length side of the original square garden
Step 1
<u>Find the value of x</u>
we know that

taking square root both sides




the solution is

therefore
<u>the answer Part a) is</u>
The original length side of the square garden is 
Step 2
<u>Find the area of the original square garden</u>
we know that
the area of the original square garden is equal to

substitute the value of x in the formula

therefore
<u>the answer part b) is</u>
the area of the original square garden is 