Answer:
2x+20+3x+10 = 180 (int. angles, parallel)
5x+30 = 180
5x=150
x=30
You could do -1/-2 times -5/-4 which would be 5/8
Answer:
The diver will take 2.449 seconds to enter the water.
Step-by-step explanation:
We have been given that quadratic equation for the diver jumps is

We have to find the time taken for the diver to enter the water. When the diver enters the water, the height becomes zero.

Therefore, the diver will take 2.449 seconds to enter the water.
Answer:
adding and subtracting decimals is similar to adding and subtracting decimals because for both you add and sub both #s
Step-by-step explanation:
Answer:
$18 per square foot.
Step-by-step explanation:
First there are 3 feet in a yard. So if she purchased 5 square yards there would be 3 times as many square feet soo.
5*3= 15
So there were 15 square feet in the 5 square yards.
Now just divide 270/15 = 18
$18 per square foot.
Hope this helpsss!