Answer:
Step-by-step explanation:
Add the total number of students:
Boys: 8, + Girls: 12 = 20 students
of the students are girls
6/10 also equates to 60%, which is the percent of girls in the class.
Subtract -7x^2+4x+2−7x 2+4x+2 from x^2-3x 2 −3.
1 answer:
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Answer:
x = 10
Step-by-step explanation:
if there 2 same triangle then they are right triangle
By using Pythagorean theorem for 1 of right triangle, we have
=
+
74 = 49 +
74 - 49 =
25 =
therefore, x = =
= 10