Answer:
x = 9
Step-by-step explanation:
The big triangle is similar to smaller one so we can use the side lengths' proportion to find x:
7/4 = (x-3)+8/8
7/4 = (x+5)/8 cross multiply expressions
56 = 4x + 20 subtract 20 from both sides
36 = 4x divide both sides by 4
9 = x
Let

the length and

the width. By the ratio of the sides:

Now, we'll find the perimeter p. We'll use the formula below:

The area of a rectangle is

. Then:
Answer:
I believe that A would be the correct answer im not sure but ill explain from the best of my ability
Step-by-step explanation:
OK SO FOR THE EXPLANATION I BELIEVE THAT IT IS A BECAUSE USUALLY ON THE OTHER QUESTIONS I HAVE HAD IT WOULD USUALLY SPLIT THE FIRST AMOUNT IN HALF AND THAT IS MY EXPLANATION GOOD LUCK
Answer:
3/5
Step-by-step explanation:
Step one:
given data
Amy saved 1/5
her brother 4/5
Required
How much more did her brother save
Step two:
let us subtract Amy's savings from her brother's
4/5-1/5
=4-1/5
=3/5
Answer:
the value of x and y is 4 and (-1) respectively