Answer:
I think 25.50
Step-by-step explanation:
Answer:
- 2 < x < 16
- 3 < x < 19
- 14 < x < 18
- 4 < x < 16
- 13 < x < 47
- 0 < x < 10
- 1 < x < 7
Step-by-step explanation:
The minimum third side is the difference of the given sides; the maximum third side is their sum.
If you like, you can have a spreadsheet calculate these for you. That seems like more work than just doing them in your head.
Answer:
2000cm²
Step-by-step explanation:
find the other side using pythagorean theorem
50²=30²+x²
x=40
Area = 40 * 50 = 2000cm²
Answer:
Lisa is 5 years old
Step-by-step explanation:
we can make an equation like
4x=15+x
X can represent Lisa’s current age
Now just solve for X
3x=15
x=5
And we can check
If Lisa is 5 years old now
In 15 years she would be 20
And 20 is 4 times as 5 which Is her current age
So Lisa is 5 years old now.
Step-by-step explanation:
Taking the first coordinate point (3,16.5)
where x= 3 and y= 16.5
optionB