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Alex73 [517]
3 years ago
7

A large grouper can weigh 1/3 ton. how much doe a large grouper weigh to the nearest pound?

Mathematics
1 answer:
zvonat [6]3 years ago
7 0
Well, 1 ton = 2000 IBS
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qwelly [4]
SF = 1/2

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answer is first one
(2,3) (4,2)(3,1)

8 0
3 years ago
A car travels for 4(t+3) hours at a constant speed of 10(t+3) km/h. If the total distance travelled by the car is 810 km, find t
IceJOKER [234]

Step-by-step explanation:

\because \: time \times speed  = distance \\  \therefore \: 4(t + 3) \times 10(t + 3) = 810 \\ \therefore \: 4(t + 3)^{2} = 81 \\ \therefore \:  \{2(t + 3) \}^{2} =  {9}^{2}  \\  \therefore \:  \{2(t + 3) \} =  {9}   \\  \therefore \: t + 3 =  \frac{9}{2}  \\ \therefore \: t  =  \frac{9}{2}  - 3 \\  \therefore \: t  =  \frac{9 - 6}{2}  \\  \therefore \: t  =  \frac{3}{2}  \\ \therefore \: t  =  1.5 \: hrs  \\

\because \: time \times speed  = distance \\  \therefore \: 4(t + 3) \times 10(t + 3) = 810 \\ \therefore \: 4(t + 3)^{2} = 81 \\ \therefore \:  \{2(t + 3) \}^{2} =  {9}^{2}  \\  \therefore \:  \{2(t + 3) \} =  {9}   \\  \therefore \: t + 3 =  \frac{9}{2}  \\ \therefore \: t  =  \frac{9}{2}  - 3 \\  \therefore \: t  =  \frac{9 - 6}{2}  \\  \therefore \: t  =  \frac{3}{2}  \\ \therefore \: t  =  1.5 \: hrs  \\ speed \: of \: car = 10(t + 3) \\ \hspace{60 pt} = 10(1.5 + 3) \\   \hspace{60 pt}= 10 \times 4.5 \\ \red{ \boxed{ \bold{ \therefore \: speed \: of \: car  = 45 \:km/ h}}} \\

3 0
3 years ago
Need help with this problem please! I believe it is b but I get a different answer everytime I redo it!
Andreas93 [3]

Answer:

no u right its b

Step-by-step explanation:

5 0
3 years ago
A coin is biased to show 39% heads and 61% tails. The coin is tossed twice. What is the probability that the coin turns up tails
julia-pushkina [17]
I'm pretty sure that this is a trick question, the answer is 61%.
7 0
3 years ago
What is the percent increase when 7,200 increases by 1,800?
sergeinik [125]

Answer:

25 percent

Step-by-step explanation:

7200 divided by 1800 is 25

5 0
3 years ago
Read 2 more answers
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