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alina1380 [7]
3 years ago
11

1. Solve using long division.

Mathematics
1 answer:
Ann [662]3 years ago
5 0

Answer:

9x^2 - 3x - 2,  R -7.

Step-by-step explanation:

x - 5) 9x^3 - 48x^2 + 13x + 3(9x^2 - 3x - 2 <---- Quotient.

        9x^3 - 45x^2

                  - 3x^2 + 13x

                   -3x^2 + 15x

                                -2x + 3

                                -2x + 10

                                          -7 <----- Remainder

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Step-by-step explanation:

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4 years ago
Read 2 more answers
Solve the literal equation cy−7=5d+3ycy−7=5d+3y for yy.
puteri [66]

We are given the equation:

cy – 7 = 5d

And we are asked to find for y.

First step, add 7 on both sides:

cy – 7 + 7 = 5d + 7

cy = 5d + 7

Next step, divide both sides by c:

cy / c = (5d + 7) / c

<span>y = (5d + 7) / c</span>

4 0
3 years ago
Solve by Elimination:<br> 3x + y = 5<br> 2x + y = 4
Scilla [17]

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Point form: (1, 2)

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Step-by-step explanation:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

5 0
3 years ago
A number x, rounded to 1 decimal place is 12.3 write down the error interval for x
icang [17]
We know that
<span>A number x, rounded to 1 decimal place is 12.3
</span><span>so
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the answer is
[12.25,12.35)


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