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Degger [83]
3 years ago
7

-4.9x=9.8 what is the value of x

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0

Answer:

-2

Step-by-step explanation:

to do this you divide 9.8 by -4.9:

9.8÷-4.9= -2

Reil [10]3 years ago
5 0
X=9.8/-4.9
X=-2
The answer is -2
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7 0
3 years ago
how many 4 digit numbers n have the property that the 3 digit number obtained by removing the leftmost digit is one ninth of n
Tom [10]

Answer:

  7

Step-by-step explanation:

We want to find the number 4-digit of positive integers n such that removing the thousands digit divides the number by 9.

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Let the thousands digit be 'd'. Then we want to find the integer solutions to ...

  n -1000d = n/9

  n -n/9 = 1000d . . . . . . add 1000d -n/9

  8n = 9000d . . . . . . . . multiply by 9

  n = 1125d . . . . . . . . . divide by 8

The values of d that will give a suitable 4-digit value of n are 1 through 7.

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When d=9, n is 10125, not a 4-digit number.

There are 7 4-digit numbers such that removing the thousands digit gives 1/9 of the number.

8 0
2 years ago
I NEED HELP PLEASE, THANKS! :)
svetoff [14.1K]

Answer:

124

Step-by-step explanation:

First subtract 6 to both sides.

\sqrt[5]{249-2x} = 1

Then take the 5th power of both sides to remove the radical.

249-2x=1^5

Which is essentially:

-2x = 1 - 249

-2x = -248

Divide both sides by -2

x = 124

And there ya go :)

7 0
4 years ago
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siniylev [52]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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