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ycow [4]
3 years ago
12

Solve: 9-2x = 4x + 33

Mathematics
1 answer:
worty [1.4K]3 years ago
6 0
Simplifying
4x+-9= 2x + 33
Reorder the terms:
-9+4x = -2x + 33
Reorder the terms:
-9 + 4x = 33 + -2x
Solving:
-9 + 4x = 33 + -2x
Answer: x = 7
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Ibuki factored 12x^7as (4x^3)(3x^4)
Marina86 [1]

Answer:

Both are correct.

Step-by-step explanation:

The key understanding here is that you can factor a monomial in many different ways!

To check if any of the factorizations is correct, we can multiply the factors and see if their product is really 12x^712x

7

12, x, start superscript, 7, end superscript.

Hint #22 / 4

\begin{aligned} (\blueD{4}\maroonD{x^3})(\blueD{3}\maroonD{x^4})&=(\blueD{4})(\blueD{3})(\maroonD{x^3})(\maroonD{x^4}) \\\\ &=\blueD{12}\maroonD{x^7} \end{aligned}

(4x

3

)(3x

4

)

​

 

=(4)(3)(x

3

)(x

4

)

=12x

7

​

So Ibuki is correct!

Hint #33 / 4

\begin{aligned} (\blueD{2}\maroonD{x^6})(\blueD{6}\maroonD{x})&=(\blueD{2})(\blueD{6})(\maroonD{x^6})(\maroonD{x}) \\\\ &=\blueD{12}\maroonD{x^7} \end{aligned}

(2x

6

)(6x)

​

 

=(2)(6)(x

6

)(x)

=12x

7

​

So Melodie is also correct!

Both Ibuki and Melodie are correct.

8 0
3 years ago
Find elapsed time 7:30am to 3:00 pm
Vikki [24]

Answer:

<u><em>7 hours 30 minutes and 0 Seconds</em></u>

Step-by-step explanation:

  • <em>60 minutes in 1 hour</em>
  • <em>7:30 - 3:00</em>
  • <em>60 * 10 = 600 Seconds</em>
  • <em>Plus the 30 minutes which converts to 20 seconds</em>
  • <em>Change that into hours and minutes</em>
7 0
1 year ago
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zhenek [66]
D. the rest is because of the characters rule
5 0
3 years ago
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The formula below gives T the approximate time in years it takes a population to double if the annual growth rate is r percent
valkas [14]
T=70/r
T=70/4.6
T=15 years

It's b
6 0
3 years ago
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What is the range of the function f(x) = 2 – 2 when the domain is {0, 2, 4}? O {-1, 2, 14} {3, 6, 8} {-2, 2, 6) All real numbers
devlian [24]

Answer:

F = 0

Step-by-step explanation:

F(x) = 2 - 2

fx/3 = 0/x

f=0

5 0
3 years ago
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