Answer:
x=-1±4√31/3 ft is the height
Step-by-step explanation:
let the height be x ft.
then the length would be 3x+2
area = L*H= x(3x+2)
165=3x²+2x
0= 3x²+2x -165
dividing the whole equation by 3
0=x²+2x/3-55
(x)²+2(x)(1/3) +(1/3)² -55 -(1/9)=0
(x+1/3)²- 495-1/9=0
(x+1/3)²= 496/9
taking square root on both sides
(x+1/3)= ±4√31/3
x= ±4√31/3-1/3
x=-1±4√31/3 ft is the height
Answer:
90%
Step-by-step explanation:
OK first divide 90 by 4 to see how many words per minute
90 ÷ 4 = 22.5
OK, then multiply 22.5 by 10 for your answer
Your answer is;
225 words per 10 minutes
Hope I Helped!!!
Answer:
Capacity of 60000 litres "to 1 significant figure" means that lower bound is 54449, upper bound is 64999.
=> 10% of that capacity is more than 54449/10 = 5444.9 litres
Tony pours in 5400 litres of water "to 2 significant figure" means that lower bound is 5349, upper bound is 5444.
Because 5444<5444.9, then clearly he is not correct when he said " I have filled more than 10% of the container"
Answer:
The order of the number of the answers from top to bottom in the boxes are: 5, 6, 3, 1, 4, 2
