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Studentka2010 [4]
3 years ago
15

Help with question 3

Mathematics
1 answer:
slega [8]3 years ago
4 0
6.4166666666666666666667
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The most decimal places of Pi<span> memorised is 70,000.</span>
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3 years ago
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<img src="https://tex.z-dn.net/?f=71%20-%205x%20%3D%209x%20-%2013" id="TexFormula1" title="71 - 5x = 9x - 13" alt="71 - 5x = 9x
Sav [38]

You need to isolate x.


71 - 5x = 9x - 13

Add 13 to both sides.

84 - 5x = 9x

Add 5x to both sides.

84 = 14x

Divide both sides by 14.

6 = x


<h3>The answer is x = 6.</h3>
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3 years ago
Which value is equivalent to the expression 32 × 33?
PilotLPTM [1.2K]

Answer:

The correct answer is D) 243

Step-by-step explanation:


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3 years ago
Dan has the same number of nickels and dimes in his piggy bank. If the total amount of those coins is $0.90, how many of each co
Karolina [17]

Hello There!

<u><em>n - d = 0</em></u>

<u><em>5n+10d = 90</em></u>

<u><em>----------------------</em></u>

<u><em>n-d = 0</em></u>

<u><em>n+2d = 18</em></u>

<u><em>-------------------</em></u>

<u><em>Subtract and solve for "d":</em></u>

<u><em>3d = 18</em></u>

<u><em>d = 6 (# of dimes)</em></u>

<u><em>n = d = 6 (# of nickels)</em></u>

8 0
3 years ago
If f(x)=3x^2+1 and g(x)=1-x, what is the value of (f-g)(2)?
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The answer should be 14.

You just have to substitute x with the given number and finish the equation.

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3 years ago
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