Answer:
75
Step-by-step explanation:
The sum of internal angles in a triangle is equal to 180
58 + 47 + x = 180
105 + x = 180 subtract 105 from both sides
x = 75
Answer:
10 pages
Step-by-step explanation:
386/42=9.1 pages
but you can not have .1 of a page so you add another page.
Answer:

Step-by-step explanation:
First, note that the angles shown are vertical angles. In other words, the two equations are equivalent to each other.
Therefore, set the equations equal to each other and solve for x;

Add 17 to both sides:

Subtract 6x from both sides:

Divide both sides by 2:

Therefore, the value of x is 12.
And we're done!
76% of 200<span> = </span><span>152</span>76/100 * 200
<span>
= 76*200/ 100 = 152</span>