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MrRa [10]
3 years ago
14

For each expression, combine like terms and write an equivalent expression with fever terms.

Mathematics
2 answers:
ASHA 777 [7]3 years ago
7 0

Answer:

1. 7x

2. 8x - 1

3. 6x + 12

4. 3x + 4

5. 13x - 7

Step-by-Step Explanation:

Hope this helps!

Anton [14]3 years ago
6 0

Answer:

1. 7x

2. 8x -1

3. 6x+12

4. 3x + 4

5. 13x -7

Step-by-step explanation:

It is given that:

1. 4x + 3x

  7x

2. 3x + 5x - 1

   8x -1

3.  5 + 2x + 7 + 4x

   2x+4x+5+7

   6x+12

4. 4 - 2x + 5x

   4 + 3x

  3x + 4

5. 10x - 5 + 3x - 2

   10x + 3x -5 -2

   13x - 7

Therefore,

1. 7x

2. 8x -1

3. 6x+12

4. 3x + 4

5. 13x -7

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The population of an island is 6000 people this year and is projected to be 6300 people next year, by what percentage is the pop
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Answer:

5% increase

Step-by-step explanation:

First, find how much it increased:

6300 - 6000

= 300

Then, to find the percent increase, divide 300 by 6000

300/6000

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So, there was a 5% increase in the population

8 0
3 years ago
Sam chose one marble from a bag containing 2 red marbles, 3 white marbles, and 10 black marbles. Find the probability that the m
Anvisha [2.4K]

Answer:

P(black) = 2/3

Step-by-step explanation:

We need to find the total number of marbles

2 red marbles+ 3 white marbles+ 10 black marbles = 15 marbles


To find the probability that Sam chose a black marble, we take the number of black marbles and divide by the total number of marbles

P(black) = black marbles/total marbles

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Divide the top and bottom by 5

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7 0
3 years ago
Sam rolled a die 75 times. On 39 of those rolls, he had a 6. Which statement is TRUE when the probabilities are compared?
svetlana [45]

Answer:

D)The experimental probability is greater than the theoretical probability

Step-by-step explanation:

Given:

75 times a die is rolled out of 39 times it got 6

To Find :

Which statement is true?

Solution:

The theoretical probability is given by the ,

Pt=No.of favorable outcomes/Total outcomes

Here favorable is getting 6 on the die

so how many times we can get 6 =1 time

Total outcomes =6

Pt=1/6

Pt=0.1667

Now for

The experimental Probability ,

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Here 39 times we get 6 and total no trails are 75

Pe=39/75

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Hence we can say that Pe>Pt.

8 0
3 years ago
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Answer:

14

Step-by-step explanation:

Take the square root of 11650+14:

%:11650+14

108

So it’s a perfect square (108^2=11664).

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I hope this helps

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3 years ago
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