Answer:
100m
Step-by-step explanation:
First, find the area of one triangle. Use l*w/2 to do that.
10*5=50
50/2=25
Multiply this by 4 to get the total area
25*4=100
Have a good day!
Answer:
g = 10.82
_______ or 5.694736842105263
-1.9
Step-by-step explanation:
- 1.6g - 0.3g = 6.46 + 4.36
-1.9g = 10.82
g = 10.82
_____
-1.9
Answer:
180
Step-by-step explanation:
Step-by-step explanation:
Sn=n/2(2a+(n-1)d)
910=n/2{2a+(n-1)d}
1820=n{2a+(n-1)d}
1820=20{2a+(20-1)d}
1820=20{2a+19d}
91=2a+19d
An=a+(n-1)d
95=a+(20-1)d
95=a+19d
91=2a+19d
---------------
4=-a
a=-4
91=2a+19d
91=2(-4)+19d
91=-8+19d
91+8=19d
99=19d
d=99/19
A=-4
Answer:
look up desmos graphing calculator! you're welcome x
Step-by-step explanation:
