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Alex
3 years ago
11

Karen drove 780 miles in 12 hours. At the same rate, how many miles would she drive in 9 hours?

Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0

Answer:

585

Step-by-step explanation:

divide 780 by 12

780/12=65

The answer you get is her speed, so 65miles/hour

So if she did this for nine hours, multiply 65 by 9

65*9=585

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Rachel walks to a friends house then to the store then back home. the distance from Rachel’s house to her friends house is 1 5/6
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Answer:

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7 0
3 years ago
Using the product property of square roots what is the square root of 28 and 150
Svetllana [295]
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3 0
3 years ago
The mean of 14 numbers is 49. Removing one of the numbers causes the mean to decrease to 43. What number was removed?
Mademuasel [1]

Answer:

126 was removed.

Step-by-step explanation:

The total before division took place was

Total = mean * 14

mean = 49

Total = 49 * 14

Total = 685

Now you subtract x from the total

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And divide by 13 [one number is missing]

(685 - x)/13

and the result = 43

(685 - x ) / 13 = 43                Multiply both sides by 13

685 - x  = 43 * 13

685 - x = 559                       Subtract 685 from both sides

- x = - 126                             Multiply by - 1

x = 126

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
What is the coeffient of the term of the degree 4 in this polynomial? 4x^8+5x^4-2x^3+x^2-1
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The degree 4 term is 5x^4. The coefficient of the term is
  5
6 0
4 years ago
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