Plz, help ASAP!!!!!!!!!!!!!
1 answer:
Answer:
x = 19
Step-by-step explanation:
When two lines "cross" and intersect, it creates 2 pair of vertical angles.
The opposite angles are vertical angles and they are equal.
Given two angles (in expressions), they are vertical angles and hence are equal in measure. So we can write:
Now, we can use algebra and solve for x:
So,
x = 19
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Answer: The answer is 400 blue marbles.
Step-by-step explanation: Given that there are 560 marbles in a bag, out of which 65% are red and rest are blue.
So, number of red marbles is
and number of blue marbles is
Now, if 28 red marbles are replaced by blue marbles, the the new number of red and blue marbles will be
Now, to get 65% of the marbles blue, we need to add some more blue marbles to the bag. Let 'x' number of blue marbles are added to the bag, then
Thus, 400 blue marbles need to be added to the bag.