Need help with this simple math question: 7(x+1) x=8
2 answers:
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Answer:
Step-by-step explanation:
The sum of the interior angles of a polygon with sides is
. Since the shape in the figure has 5 sides, the sum of its interior angles is
.
Therefore, we can set up the following equation:
Since and
make up one side of a line, they are supplementary, as each side of a line is
.
Thus, we have:
Answer:
first one: B and C
Second one: x=12, y=10 so the answer is B.
Step-by-step explanation:
First one: Irrational numbers are any numbers that go on forever in the decimal without ever repeating. Any square roots of numbers that aren't perfectly square, such as 4 and 9, are irrational. And anything with pi, or , is always irrational.
Second one: 144 and 100 are perfect squares, meaning it can be created by multiplying the same number by itself, in this case 12 and 10. Subtract those and you get 2.