Answer:
1) 62.5
2) 50
3) 75
4) 100
Step-by-step explanation:
1)
Because it has a half-life of 25 days, half of it will decay after 25 days.
After
days, there will be
of it left.
So,
.
2)
Because it has a half-life of 25 days, half of it will decay after 25 days.
After
days, there will be
of it left.
So, 
3)
Because it has a half-life of 25 days, half of it will decay after 25 days.
After
days, there will be
of it left.
So,
.
4)
The only answer left is
grams. You can solve it the same way you solved the previous steps.
Answer:
70% of the sixth graders participate in school sports
Step-by-step explanation:
63 ÷ 90 = 0.7 =70
round the decimal two places to the right
Hope this helps!!
Answer:
x= 
Step-by-step explanation:
im going to assume the 3x2 mean 3 times 2
Answer:
(C) Perpendicular bisector theorem
Step-by-step explanation:
(A) Right angle theorem : The right angle theorem states that if two angles are supplementary and congruent, then these two angles are right angles.
(B) Converse of perpendicular bisector theorem: The converse of perpendicular bisector theorem states that If a point is equidistant from the endpoints of a segment, then it is on the perpendicular bisector of that segment.
(C) Perpendicular Bisector Theorem: The Perpendicular Bisector Theorem states that If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.
(D) Pythagorean theorem: The Pythagorean theorem states that in the right angled triangle, the square of the hypotenuse of the triangle is equal to the sum of the squares of the other two sides that is:

Since, the given statement is the statement of the Perpendicular bisector theorem, thus option C is correct.