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Mars2501 [29]
2 years ago
11

Need help with questions 32-33

Mathematics
2 answers:
nirvana33 [79]2 years ago
7 0

<u>I will assume 'xx' as one variable, in other words, it isn't equal to x²</u>:

 ⇒ its just 'xx'

<u>For question 32, let's solve</u>:

 \frac{xx}{9}=\frac{2}{3}  \\3xx=9*2\\3xx = 18\\xx=6  --> choice (c)

<u>For question 33, let's solve:</u>

 \frac{3}{xx} =\frac{5}{xx-2}\\3(xx-2)=5*xx\\3xx-6=5xx\\5xx-3xx=-6\\2xx=-6\\xx=-3--> choice (b)

<u>Answers:</u>

  • <u>For question 32: (c)</u>
  • <u>For question 33: (b)</u>

Hope that helps!

   

velikii [3]2 years ago
4 0
The answer for 32 is 6 and the answer for 33 is -3
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son4ous [18]


the problem would be set up as 6+(7*x)=41

first u take off the number 6 by subtracting it from itself to cancel it out then u do the same to the number 41

7x =41 now u need to cancel out the number 7 attatched to the x so u divikde it by itself and then do the same to the other side so 41 divided by 7 =5.9

 so x =5.9

8 0
3 years ago
If f(x)=X-3/x and g(x) = 5x – 4, what is the domain of (fog)(x)?<br><br><br> NEED HELP FAST!!
dedylja [7]

Answer:

Step-by-step explanation:

This is function composition. We will take the g function and plug it into the f function wherever we see an x. That will look like this when it's done but before it's simplified:

f(g(x))=\frac{5x-4-3}{5x-4} and that can be simplified down to

f(g(x))=\frac{5x-7}{5x-4}

The domain of this function will be all real numbers EXCEPT for the one(s) that cause the denominator to become undefined. Set the denominator equal to 0 and solve for x:

5x - 4 = 0 so

5x = 4 and

x = 4/5

In other words, D = {x | x ≠ 4/5}

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3 years ago
The number of miles Melody rides her bicycle, m, varies directly with the amount of time spent riding the bike, t. When Melody b
Minchanka [31]


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8 0
3 years ago
Read 2 more answers
4. 46 is what percent of 69?
sergij07 [2.7K]

Answer:

66%(technically 0.66 repeating)

Step-by-step explanation:

We need to figure out what percentage of 69 equates to 46. In other words, we need to figure out what percentage <u>times</u> 69 equals 46:

percentage*69 = 46

Now that we formed this equation, we can solve for the percentage as if it was x.

First lets simplfy:

percentage*69 = 46 -- > 69percentage = 46

Now we can solve for x just by getting x alone, which means we must remove the coefficent. We can do this by dividing both sides of the equation by 69:

percentage = \frac{46}{69}

=

percentage=0.66

Putting this into the form of percentage, we must multiply by 100. Since, the percentage form of a decimal is 100 times bigger(moved up 2 decimal places):

percentage = 0.66*100

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percentage = 66%

Hope this helps! :3

4 0
2 years ago
0 = 4x + 4 linear equation
FinnZ [79.3K]

Answer:

x = -1

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

0 = 4x + 4

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 4 on both sides:                    -4 = 4x
  2. Divide 4 on both sides:                        -1 = x
  3. Rewrite:                                                 x = -1
7 0
2 years ago
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