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xeze [42]
3 years ago
15

What is a career that you can use for adding and subtracting fractions

Mathematics
1 answer:
xenn [34]3 years ago
6 0

Answer:

A math teacher

Step-by-step explanation:

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Sam can solve 30 multiplication problems in 2 mins. How many can he solve in 20 mins.
Citrus2011 [14]
To get to 20 minutes from 2 minutes you multiply by 10, do the same to the 30 problems to get 300. The answer is 300 problems in 20 minutes.
6 0
2 years ago
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How many yards are in 65 miles?
kipiarov [429]
If you would like to know how many yards are in 65 miles, you can calculate this using the following step:

To convert 65 miles to yards, you have to multiply 65 by 1760, because 1 mile equals to 1760 yards: 65 * 1760 = 114400 yards.

Result: 65 miles equals to 114400 yards.
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2 years ago
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Algebra mOZP = 4r + 2, mPZQ = 5r  12, and mOZQ = 125. What are mOZP and<br> mPZQ?
Ostrovityanka [42]

Answer:

I dont understand the equation

5 0
3 years ago
question 4(multiple choice worth 1 points) (01.02 mc) bruno solved the following equation: 4x (10x − 4)
miskamm [114]

The justifications are 1. Distributive Property 2. Combine like terms 3. Addition Property of Equality 4. Division Property of Equality (Option 3 and 4).

<h3>What is a linear equation?</h3>
  • It is described as the relationship between two variables, and a straight line results from plotting the graph of the linear equation.
  • The equation is referred to as a linear equation in one variable if just one variable is contained in the equation.

Now,

We are given the linear equation: 4x + \frac{1}{2}(10x-4)=6

  • 4x + 5x -2 = 6 (Distributive property)
  • 9x - 2 = 6 (combining the like terms)
  • 9x = 8 (additive property of equality)
  • x = 8/9 (division property of equality)

Hence, The third and fourth solutions are correct when using the division property of equality, i.e., The justifications are 1. Distributive Property 2. Combine like terms 3. Addition Property of Equality 4. Division Property of Equality (Option 3 and 4).

To learn more about linear equations, refer to the link: brainly.com/question/11897796

#SPJ4

3 0
1 year ago
A political polling organization wishes to select a smaller focus group from a group of 7 Republicans, 10 Democrats, and 2 Indep
Alina [70]

Answer:

a) 1470 ways

b) 2835 ways

Step-by-step explanation:

the question is not correct, in the correct question The number of independents should be 3 not 2

there are 7 republicans, 10 democrats and 3 independents.

C(n,r) is the number of different combinations of n distinct objects taken r at a time.

C(n,r) = \frac{n!}{(n-r)!r!}

a) it will consist of 1 Republican and 4 Democrats

The number of ways this can be chosen is = C(7,1) × C(10,4) = \frac{7!}{(7-1)!1!}  * \frac{10!}{(10-4)!4!} = 7 × 210 = 1470 ways

(b) it will consist of 2 Republicans, 2 Democrats, and 2 Independents (consist of 2 independents not 3)

The number of ways this can be chosen is = C(7,2) × C(10,2) × C(2,2)

 =\frac{7!}{(7-2)!2!}  * \frac{10!}{(10-2)!2!}* \frac{3!}{(3-2)!2!} = 21 × 45 × 3 = 2835 ways

7 0
3 years ago
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