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sattari [20]
2 years ago
10

jane can do a job in 3 hours, while gary can do the same job in 2 hours. if jane works alone for an hour before gary helps her h

ow long will it take them to finish the job together
Mathematics
2 answers:
Rudiy272 years ago
8 0

Answer: 2hrs?

Step-by-step explanation: 3-2=1+1 hour she took alone = 2hrs

Georgia [21]2 years ago
3 0

Answer:

3 hours as Jane will take 1 hour before Gary and Gary will work for 2 hours. I think

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A) The coefficient in the expression -3x + 1 is
mihalych1998 [28]

Step-by-step explanation:

A coefficent is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression. Or in other words, the number being multiplied with the variable. For example, the 4 in 4x.

The expression is -3x + 1. If we go back to the definition, the coefficient is the number combined with the variable.

So the answer is -3.

Hope it helps!

3 0
3 years ago
Select all of the following models which represent a uniform probability model:
yulyashka [42]
Uniform in this sense means fair or even...

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6 0
3 years ago
Read 2 more answers
Show your work (?) please
julsineya [31]
2013
Because you move the decimal three places to the right.
OR.
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3 0
3 years ago
So when you are adding fractions how do you know when you need to simplify the numbers and how do you simplify?
rosijanka [135]

Let's look at an example.

We'll add the fractions 1/6 and 1/8

Before we can add, the denominators must be the same.

To get the denominators to be the same, we can...

  • multiply top and bottom of 1/6 by 8 to get 8/48
  • multiply top and bottom of 1/8 by 6 to get 6/48

At this point, both fractions involve the denominator 48. We can add the fractions like so

8/48  + 6/48 = (8+6)/48 = 14/48

Add the numerators while keeping the denominator the same the entire time.

The last step is to reduce if possible. In this case, we can reduce. This is because 14 and 48 have the factor 2 in common. Divide each part by 2.

  • 14/2 = 7
  • 48/2 = 24

The fraction 14/48 reduces to 7/24

Overall, 1/6 + 1/8 = 7/24

6 0
2 years ago
Will give brainliest
Marianna [84]

A. Commutative Property

"The commutative property states that the order in which two numbers are added or multiplied does not affect the sum or product."  ~  ck12.org

May I have brainliest please? :)

3 0
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