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zhuklara [117]
3 years ago
5

James read 4 pages in a book in 6 minutes. How long would it take him to read 6 pages

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0
This is probably directly proportional
disregarding other factors such as eyestrain, fires, and apocalypses.
4:6
treat as fraction
4/6=2/3
how long to read 6
6/x=2/3
multiply 2/3 by 3/3 since 2 times 3=6
6/x=6/8
x=8

8 mins
patriot [66]3 years ago
6 0
60X6=360 seconds, 360 divided by 4= 90, James takes 90 seconds to read one page. 90X6=540, 540divided by 60 is 9. James takes 9 minutes to read 6 pages.
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The lifespan of a monarch butterfly is about 9 months. Assuming a 30-day month, how many minutes old is the butterfly?
Artyom0805 [142]

Answer:

So 9 months is 273 days and 394200 minutes so if the butterfly spends  30 days means one month so it is 43800 minutes old .

hope it gonna help you.

Step-by-step explanation:

6 0
2 years ago
The sales commission is 10% at an electronic store. How much does Saul have to sell in 22 hours to earn $12.50 per hour from com
Anna71 [15]
I think it’s $1,250 in 22 hours
3 0
3 years ago
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Stella [2.4K]

Answer:

The minimum value of f(x) is 2

Step-by-step explanation:

  • To find the minimum value of the function f(x), you should find the value of x which has the minimum value of y, so we will use the differentiation to find it
  • Differentiate f(x) with respect to x and equate it by 0 to find x, then substitute the value of x in f(x) to find the minimum value of f(x)

∵ f(x) = 2x² - 4x + 4

→ Find f'(x)

∵ f'(x) = 2(2)x^{2-1} - 4(1)x^{1-1} + 0

∴ f'(x) = 4x - 4

→ Equate f'(x) by 0

∵ f'(x) = 0

∴ 4x - 4 = 0

→ Add 4 to both sides

∵ 4x - 4 + 4 = 0 + 4

∴ 4x = 4

→ Divide both sides by 4

∴ x = 1

→ The minimum value is f(1)

∵ f(1) = 2(1)² - 4(1) + 4

∴ f(1) = 2 - 4 + 4

∴ f(1) = 2

∴ The minimum value of f(x) is 2

7 0
2 years ago
I dont know please help and show your work
Phoenix [80]
Area=6x10=60 feet as it is rectangle so all angles are 90° and oppossite sides are equal
4 0
3 years ago
Mr. Brown owned a house, which he rented for $60 a month. The house was assessed at $9000. In 1975 the rate of taxation was incr
Alexandra [31]
We first calculate the percentage increase on the tax

Old value = 25×9 = 225 ⇒ The value 9 represents the 9 lots of thousands of the house's value
New value = 28×9 = 252

Increase in tax = 252 - 225 =27  
Percentage increase = (27÷225) ×100 = 12%

The amount of yearly rent would be then increased by 12%

Monthly rent = $60
Yearly rent = 60×12 = $720
Increase by 12% = 720×1.12 = 806.4 ⇒ The value 1.12 is the multiplier, obtained from 100%+12%=112%=1.12

The monthly rent is 806.4÷12 = $67.20 which is an increase of $7.20 per month
5 0
3 years ago
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