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9
Top and bottom 3
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7
Answer:
x = 3
Step-by-step explanation:
Since the sum of the interior angles of a triangle is always equal to 180°. This is regardless of the size or shape of the triangle.
In this case:
We can say that:
Simplify like terms:
Subtract 156° on both sides:
Simplify:
Divideby8 on both sides:
Therefore, the value of x is 3.
Answer:
Answer:
43.75% students were participated last year.
Step-by-step explanation:
We have been given that last year 7/16 of all students at a school participated in the science fair.
Let us suppose the total number of students were x. Then, number of students participated last year is given by
Hence, the percentage of the students participated last year is given by
Therefore, 43.75% students were participated last year.
Answer:
the answer in the blank is 9
Step-by-step explanation: