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Dmitriy789 [7]
3 years ago
11

Find the value of x in each of the given triangles.​

Mathematics
1 answer:
Deffense [45]3 years ago
8 0

Answer:

solution here,

x+3x+80=180degree

4x+80=180

4x=180-80

x=100÷4

therefore

x=25

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Value of P: 3/15(p+10)=-15
ArbitrLikvidat [17]
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<span> 3.1 </span>  Subtracting a whole from a fraction 

Rewrite the whole as a fraction using <span> 5 </span> as the denominator :

-15 -15 • 5 -15 = ——— = ——————— 1 5

<span>Equivalent fraction : </span>The fraction thus generated looks different but has the same value as the whole 

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Adding fractions that have a common denominator :

<span> 3.2 </span>      Adding up the two equivalent fractions 
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Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

(p+10) - (-15 • 5) p + 85 —————————————————— = —————— 5 5 <span>Equation at the end of step  3  :</span> p + 85 —————— = 0 5 <span>Step  4  :</span>When a fraction equals zero :<span><span> 4.1 </span>   When a fraction equals zero ...</span>

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the <span>denominator, </span>Tiger multiplys both sides of the equation by the denominator.

Here's how:

p+85 ———— • 5 = 0 • 5 5

Now, on the left hand side, the <span> 5 </span> cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :
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Solving a Single Variable Equation :

<span> 4.2 </span>     Solve  :    p+85 = 0<span> 

 </span>Subtract  85  from both sides of the equation :<span> 
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One solution was found :                  <span> p = -85</span>
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Answer:

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