The ladder and the wall form a right triangle.
The length is the hypotenuse = 15.
The base = 2*(15/5) = 2*3 = 6

Use pythagorean theorem to find other side of triangle:
$a^2 + b^2 = c^2 \\ \\ a^2 + 6^2 = 15^2 \\ \\ a^2 + 36 = 225 \\ \\ a^2 = 189 \\ \\ a = \sqrt{189} = 3 \sqrt{21}$

8 0

3 years ago

How much does the costumer save?

lions [1.4K]

Answer: The consumer saves $45

Step-by-step explanation:

If you multiply 20 by 3 you get 60 then you multiply by .75 and you get 45

4 0

3 years ago

Read 2 more answers

Eric goes to town with £15. He spends £8.50 on a new scarf.

MariettaO [177]

Answer: No he would have 8.5$

Step-by-step explanation:

15 - 8.50 = 6.50$ + 20$ = 8.5 so no he would be 1.5$ short

7 0

3 years ago