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-BARSIC- [3]
3 years ago
11

Person 1 can do a certain job in fifteen minutes, and person 2 can do the same job in thirty minutes. When completing the job to

gether, which expression would be used to represent the amount of work done by person 1?
Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0
The expression used to represent the amount of work done by person 1 is 1/15, whereas when it comes to person 2 it is 1/30.
You use 1/15 since it is the fifteenth of one hour. 
tester [92]3 years ago
8 0
Quantity = work × time
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Altogether he has 1 and 1/8 gallon of milk
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$800 at 3.8% interest for 6 months What is the interest? What is the new balance?
ycow [4]

Answer:

  • 800(1+0.038)2

Step-by-step explanation:

800(1+0.038)2

4 0
3 years ago
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A store owner buys a sweater at $12 and sells it for $15. What was the
Colt1911 [192]

Answer:

it would be a 25% increase.

Step-by-step explanation:

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3 0
3 years ago
What is the factored form of this expression?
kirill [66]

Answer:

= (3t+2)(3t-2)(3t-4)

Step-by-step explanation:

Given the expression 27t^3 - 36t^2 - 12t + 16

On factoring:

(27t^3 - 36t^2) - (12t + 16)

= 9t²(3t-4)-4(3t-4)

= (9t²-4)(3t-4)

factoring 9t²-4

9t²-4 = (3t)² - 2²

From different of two square, a²-b² = (a+b)(a-b)

Hence (3t)² - 2² = (3t+2)(3t-2)

= (9t²-4)(3t-4)

= (3t+2)(3t-2)(3t-4)

Hence the factored form of the expression is (3t+2)(3t-2)(3t-4)

6 0
3 years ago
Which one is the correct answer ? Explain why please !!
zysi [14]

Your answer is A) s + n because sum means to add and A is the only choice with addition.

Hope this Helps!!

7 0
3 years ago
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