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posledela
3 years ago
5

If i ate 10 cookies in a 8 day period of time how many cookies will i eat in a 12 day period

Mathematics
1 answer:
KIM [24]3 years ago
5 0
10 cookies in a 8 day period
? cookies in a 12 day period

10 cookies in a 8 day period

Divide both numbers by 2

5 cookies in a 4 day period

Multiply both numbers by 3

15 cookies in a 12 day period.

You will eat 15 cookies in a 12 day period.
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What is the answer for this 8k−5(−5k+3)
Helen [10]

Answer:

33k-15

Step-by-step explanation:

8k−5(−5k+3)

8k+25k-15 because -5(-5) equals=25. Two negatives equal a positive.

-5(3)= -15

So the equation changes to 8k+25k-15.

Combine like terms, and you get:

33k-15

Hope this helps, have a good day. c;

6 0
3 years ago
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Factor completely. x^3 - y^3
finlep [7]
(x-y)(x^2+xy+y^2)

The first parentheses contain the cubed root of both the terms so x and y respectively. second parentheses follows the formula (a^2 + ab + b^2)
x corresponds to a and y corresponds to b. The signs are what change depending on what the original equation is. Since the original is a subtraction then the signs are -/+/+. you can remember it using the acronym SOAP. (S = same, O = opposite, AP = always positive) So the first sign is x - y (same as subtraction from original), the second and third are x^2 + xy + y^2 (opposite is a plus, and the last sign is always a positive.
8 0
3 years ago
Simplify 27 to the negative 2 thirds power. 9 1 over 9 negative 1 over 9 −9
zimovet [89]

Answer:

The answer is 1/9 ⇒ the second answer

Step-by-step explanation:

* In the exponential functions we have some rules

(1) b^(-m) = 1/(b^m)  (for all nonzero real numbers b)

- If we have negative power we reciprocal the base

 to get positive power

(2) (b^m)^n = b^(mn)

- If we have power over power we multiply them

* In our problem: (27)^{-\frac{2}{3}}

- At first change 27 to b^n

∵ 27 = 3 × 3 × 3 = 3³

∴ 27^{-\frac{2}{3}}=(3^{3})^{-\frac{2}{3}}

* Lets use rule (2)

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* Use rule (1)

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* The answer is 1/9

6 0
3 years ago
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Alexeev081 [22]
1)
evaluate when x = 6
5 + x
so when x = 6 then 5 + 6 = 11
answer

11

2)
2/6
in lowest term = 1/3 (divide top and bottom by 2)

3)
evaluate when x = 1
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4)
14/48 
lowest term = 7/24 (divide top and bottom by 2)
5 0
3 years ago
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Henry bought a basketball that was on sale for $12. It was 40% off. What was the original price of the basketball? Please Help.
kodGreya [7K]

Answer:

The original price of the basketball was $16.80 hope this helps!

5 0
3 years ago
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