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blagie [28]
3 years ago
8

Expand, simplify qu. 10 to 18..... :- / Lots of points easy read attachment

Mathematics
1 answer:
Vinvika [58]3 years ago
8 0

Step-by-step explanation:

10. 8a - 12b

11. d^8

12. 3y^3

13. 4a+b

14. 11x-3

15. 2a^2+2ab

16. 2x^3+x

17. 4(a+2)

18. 3m(m-3)

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A upermarket owners cost for a 26 ounce can of coffee is 6.75. A case of coffee contains 12 cans. What profit is earned for each
VladimirAG [237]

Answer:

The correct answer is 32.88.

Step-by-step explanation:

Cost price for a 26 ounce can of coffee = 6.75.

A case of coffee contains 12 cans.

Total cost price of a case is 12 × 6.75 = 81.

Selling price of each can of coffee = 9.49.

Total selling price of a case is 12 × 9.49 = 113.88.

Total profit for selling a case of cnas of coffee is given by 113.88 - 81 = 32.88

Thus the profit for selling each can is 32.88.

4 0
3 years ago
Find the limit. use l'hospital's rule if appropriate. if there is a more elementary method, consider using it. lim x→1 1 − x + l
AfilCa [17]

\displaystyle\lim_{x\to1}\frac{1-x+\ln x}{1+\cos5\pi x}

Evaluating the limand directly at x=1 gives an indeterminate form \dfrac00. Apply L'Hospital's rule once and we get

\displaystyle\lim_{x\to1}\frac{-1+\frac1x}{-5\pi\sin5\pi x}

Again, plugging in x=1 returns \dfrac00. Apply the rule once more:

\displaystyle\lim_{x\to1}\frac{-\frac1{x^2}}{-25\pi^2\cos5\pi x}=\frac1{25\pi^2}\lim_{x\to1}\frac1{x^2\cos5\pi x}

Now, in the denominator, when x=1 we get x^2\cos5\pi x=-1, so the limit is -\dfrac1{25\pi^2}.

3 0
3 years ago
10 2/6 - 7 5/6 i know its prob easy but i need help
miv72 [106K]

Answer: 2 1/3

Explanation:

10 2/6 - 7 5/6

You can make both a fraction by multiplying the denominator by the whole number, and then adding the numerator to that number, and keeping the denominator the same. So, 10*6 = 60 and 60 + 2 = 62 and you keep the denominator as 6, which would make 62/6

7*6 = 42 and 42 + 5 = 47 so 7 5/6 becomes 47/6

10 2/6 is equivalent to 62/6

7 5/6 is equivalent to 47/6

This just makes it easier to look at.

Now you just work through the equation.

62/6 - 47/6 = 15/6

15/6 = 2 3/6 = 2 1/3

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