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Hatshy [7]
3 years ago
6

Find the domain of the funtion 4/x-7

Mathematics
1 answer:
dedylja [7]3 years ago
5 0
Domain means which values the function can have which make it true or Possible to solve

So all you got to do is set the denominator = to 0 and solve for x
You will get x=7

4/(7-7) is not possible

So x cannot equal to 7 because you cant divide a number by 0!
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Anyone know the answer to this
Vesna [10]

Answer:

Part A:

- angle ACB= 60° (ABC equilateral triangle.)

- Angle ECD=EDC= (180°-32°)/2= 148/2= 74° (sum of angles in a triangle is equal to 180, and triangle ECD is isosceles since it's given that CE=DE.

- x= 180°-(60°+74°)

   = 180°-134°

   = 46°

x= 46°

Part B:

120°

3 0
2 years ago
Help me please, thanks.<br><br> -Tornado
Ann [662]

Answer:

x =   -  \frac{25}{3}

Step-by-step explanation:

\frac{10}{3}  =  \frac{x}{( -  \frac{5}{2}) }

<h3>i) simplify the complex fraction</h3>

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<h3>ii) simplify the equation using cross multiplication</h3>

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50 =  - 6x

<h3>iii) swap the sides of the equation</h3>

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<h3>iv) divide both sides of the equation by -6</h3>

\frac{ - 6x}{ - 6}  =  \frac{50}{ - 6}

x =  -  \frac{50}{6}

<h3>v) simplify the fraction</h3>

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6 0
3 years ago
Read 2 more answers
In 2013 nyc had 66.37 inches of precipitation what is that amount of precipitation to the nearest inch
V125BC [204]
Since we are rounding to the nearest inch, we want to look at the tenths place. The rule for rounding is 5 and up, we round up, 4 and below, stay. Since 3 is below 5, we stay. Therefore your answer should be 66 inches of precipitation. Hope this helps!
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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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AnnZ [28]

Answer:

b=54

Step-by-step explanation:

<em>Solve for  </em>b<em>  by simplifying both sides of the equation, then isolating the variable.</em>

Hope this helps :)

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3 0
3 years ago
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