A 250 ml bottle of water treatment liquid will treat up to 625 litres of water. Given that 1 cubic meter=1000 litres, how much treatment liquid is needed to treat a water tank of 224m cubed when full. Please show workings. Many thanks

Answers

Answer 1

Answer: 224 m cubed corresponds to:
224×1000=224,000 liters of water in your water tank.
Each bottle of liquid can treat 625 liters of water so you need:
224,000/625=358.4 bottles (a little bit less than 358 and a half bottle) corresponding to:
358.4×250=89,600 ml of treatment liquid.

Answer 2

Answer: so 224 cubic meters=224 times 1000 liters=224000 leters

so

250 ml=625 leter
divide 250 by 625 to find how many ml per liter
250/625=0.4
therefor
0.4ml=1 leter treted

so

224000 leters
0.4 ml per liter
224000 times 0.4=89600 ml total
89600=89.6 liters

total is 89600 ml or 89.6 liters

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Answers

Final answer:

To find the simple interest $1000 would earn in 1 year, we first calculate the interest rate from the provided example, which is 6.5%. Using this rate, the simple interest formula (Principal x Rate x Time) gives us an interest of $65.

Explanation:

The subject of this question regards the calculation of simple interest, a fundamental concept in Mathematics and Finance. First, we'll need to determine the interest rate used in the initial scenario where a $5000 deposit earns $650 interest in 2 years. In this case, using the simple interest formula which is Principal x Rate x Time(PRT), we have:

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Solve each equation (quadratic pattern) $2^(2x) -2^(x) =12$

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Answers

Answer: x = 2

Step-by-step explanation:

$2^(2x)-2^x-12=0\n\n\text{Let u = }2^x\n\nu^2-u-12=0\n(u-4)(u+3)=0\n\nu-4=0\quad and\quad u+3=0\nu=4\qquad and\quad u=-3\n\n\text{Substitute u with }2^x\n2^x=4\qquad and \quad 2^x=-3\n2^x=2^2\quad and\quad \text{not possible}\n\boxed{x=2}$

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Answer: x = 0

Step-by-step explanation:

$3^(2x)+3^(x+1)-4=0\n\n3^(2x)+3^x\cdot3^1-4=0\n\n\text{Let u = }3^x\nu^2+3u-4=0\n\n(u+4)(u-1)=0\n\nu+4=0\quad and\quad u-1=0\nu=-4\qquad and\quad u=1\n\n\text{Substitute u with }3^x\n3^x=-4\qquad and\quad 3^x=1\n\text{not possible}\ and\quad 3^x=3^0\n.\qquad \qquad \qquad \qquad \boxed{x=0}$

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Answer: No Solution

Step-by-step explanation:

$4^x+6\cdot 2^x+8=0\n\n2\cdot 2^x+6\cdot 2^x+8=0\n\n\text{Let u = }2^x\n2u+6u+8=0\n8u+8=0\n8u=-8\nu=-1\n\n\text{Substitute u with }2^x\n2^x=-1\n\text{not possible}$

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Step-by-step explanation:

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For which data sets is the median a better measure of center than the mean? Choose all answers that are correct. A. Dorian drove 56, 62, 68, 71, 104, and 507 mi on 6 consecutive days. B. Mandy entered pumpkins weighing 2, 8.5, 9.2, 9.8, and 10.1 lb in the contest at the county fair. C. The winning times in each of the 5 heats of the 400-meter dash were 1:01, 1:03, 1:03.4, and 1:04.9 min. D. The bakery shop sold 46, 51, 62, and 72 cupcakes on each of the last 2 Saturdays and Sundays.

Answers

Median is a better measure of center than the mean(average)

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Answers

Answer:

Yes

Step-by-step explanation:

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