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Advocard [28]
2 years ago
5

Which of the Following illustrates how to find the difference of 12a ^2b and —5a^2b?

Mathematics
1 answer:
Andrews [41]2 years ago
3 0

Answer:

17a^2b

Step-by-step explanation:

Difference = subtracting

12a ^2b - (-5a^2b)

12a ^2b + 5a^2b

17a^2b

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Can u show me how to solve this problem 0.11 times 0.91
lisov135 [29]

Answer:

0.1001

Step-by-step explanation: Your answer is 0.1001

 0.91

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<u>00000</u>

0.1001


Hope this helps you!!! :)

3 0
2 years ago
Here are six number cards -4,-2,-1,5,6,8 <br> arrange the cards into three pairs with the same total
mariarad [96]

Answer:

-4 and 8. -2 and 6. -1 and 5. all equals 4

Step-by-step explanation:

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2 years ago
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Question 3
BigorU [14]

Answer:

  30 mph

Step-by-step explanation:

time = distance/speed

If x represents Jane's speed along the summit then her total exploration time is ...

  12/x + 40/(x -5) = 2 . . . . . hours

Multiplying by (x)(x -5), we get ...

  12(x -5) +40(x) = 2(x)(x -5)

Dividing by 2 and subtracting the left side gives ...

  x^2 -31x +30 = 0

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Solutions are x = 30 and x = 1, values of x that make the factors zero. A speed of 1 mph makes no sense in this problem, so ...

Jane's speed along the summit was 30 mph.

3 0
3 years ago
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Order 74.585, 74.586, 74.486, and 74.587 in decreasing order.
Veseljchak [2.6K]

Answer:

74.587, 74.586, 74.585, 75.486

Step-by-step explanation:

yes

6 0
2 years ago
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Suppose you have 20 coins that total $3.00. Some coins are nickels and some are quarters. Which of the following pairs of equati
shusha [124]

Answer: D. n + q = 20

5n + 25q = 300

Step-by-step explanation:

Let n represent the number of nickels that you have.

Let q represent the number of quarters that you have.

Suppose you have 20 coins. It means that

n + q = 20

The total value of the coins is $3. The value of a quarter is $0.25 and the value if a nickel is $0.05. Therefore, the equation would be

0.05n + 0.25q = 3

Multiplying both sides of the equation by 100, it becomes

5n + 25q = 300

The correct option is

D. n + q = 20

5n + 25q = 300

6 0
2 years ago
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