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finlep [7]
3 years ago
8

PLEASE HELP

Mathematics
1 answer:
postnew [5]3 years ago
4 0

Answer:

Below

Step-by-step explanation:

Substituting the given values:

f(6) = 6(2/3) - 2 =   cube root of 6^2 - 2 = cube root 36 - 2

f(-6)=  (-6)(2/3) - 2 =   cube root of(-6)^2 - 2 = cube root 36 - 2

So This is true,

f(6) =   cube root of 6^2 - 2 = cube root 36 - 2 = 1.3019

2 * f(3) = 2 *  (cube root of 3^2 - 2 )  =  2 * (cube root of 9 - 2) = 0.1602

So False,

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Hamza buys a car for £900 and sells it for £1,280. Write the sale price as a percentage of the original price. Give your answer
vazorg [7]

The sale price of the car as a percentage of the original price is 142%

<h3>Percentage</h3>

  • Cost of buying = £900
  • Cost of selling = £1,280

Sale price as a percentage of the original price = sale price / buying price

= 1280/900 × 100

= 1.42222222222222 × 100

= 142.22%

Approximately,

142%

Learn more about percentage:

brainly.com/question/843074

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1 year ago
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6 0
3 years ago
Kraig deposited money into a money market account. It has an interest of 12% and is compounded annually. Kraig thought 3% would
Klio2033 [76]

Answer:

<u>If the amount is P, with the interest rate of 12%, the interest over the year is:</u>

  • P*(1.12) - P = 0.12P

<u>In this case the quarterly interest rate is:</u>

  • 0.12P/4 = 0.03P

<u>With the same amount and 3% quarterly rate, the yearly interest would be:</u>

  • P*(1.03)^4 - P = 0.1255P

<u>The quarterly interest rate in this case is:</u>

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If the quarterly interest rate is r, it should be little less than 3% to yield a 12% yearly rate.

So Kraig is wrong.

7 0
3 years ago
Please help!!!! D:<br>(word problem grade 7-8)​
KIM [24]

Answer:

1

Step-by-step explanation:

To solve this, first, take 22 minutes and divide it by 60 minutes, which is the number of minutes in an hour. Then, add two to the value, and multiply it by six square meters per hour, which is the rate that David can paint the wall. From there, you get 14.2 square meters which he painted in 2 hours and 22 minutes. Divide 14.2 square meters by the length of 11 meters to get 1.290 meters. Since they asked you to round to the nearest meter, you get 1 meter.

3 0
3 years ago
June has 30 days. A family of 3 used 3,960 gallons of water during the month of June. How many gallons of water did each person
lys-0071 [83]

Answer:

44 gallons

Step-by-step explanation:

3960/3=1320

Each person used 1320 in one month

1320/30=44

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6 0
2 years ago
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