Answer:
(2.8-3.5)/3.5=-.2 (100)=20%
Percent error is 20%
formula to fin percent error is ((approx-exact)/exact)(100)
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
Fatima wrote down 3 square numbers
since we don't know the three square we will represent it by any variable (X)
3x=30
so you divide both sides by 3
so we have 3x/3=30/3=10
therefore the answer is 10
Answer: 82°
Step-by-step explanation:
6 = 98°
180° - 98° = <em><u>82°</u></em>
Answer:
7
Step-by-step explanation:
Do the brackets first
X+8= 8x
X+8= 8x
then you plus 8x + 8x =16x
16x -9 =7x
Answer:
45
Step-by-step explanation:
Assuming this is a trapezoid,
