Answer:
5
Step-by-step explanation:
→ Let x = √20 + √20 .....
x
→ Square both sides
x² = 20 + √20 +√20 + √20
→ Replace √20 +√20 + √20 with x
x² = 20 + x
→ Move everything to the left hand side
x² - 20 - x = 0
→ Factorise
( x + 4 ) ( x - 5 )
→ Solve
x = -4 , 5
→ Discard negative result
x = 5
Answer:
16 feet
Step-by-step explanation: if 1 inch on the drawing is 4 feet. seeing as the air hockey table is 4 inches the equation would be 4 x 4 which equals 16
Answer:
Yes you are
Step-by-step explanation:
If you multiply the first equation by 3 , y becomes 3y and so you can eliminate from there.
Answer:
20 degrees
Step-by-step explanation:
The area is 53 kkkkkkkkkkkkk