Answer:
20
Step-by-step explanation:
Patrica got 80% correct. She missed 4 problems, so that must have been the remaining 20% of the test.
Therefore:
4 = 20% x
Percent means out of 100, so:
4 = (20/100) x
4 = 1/5 x
x = 20
There were 20 problems on the test.
<span>a whole number; a number that is not a fraction.</span>
X=24
First you find the third side of the smaller triangle by using the Pythagorean theorem. You find that is it 100. Then you subtract that from 26 squared. After you get that, you square root the answer to get 24
Answer:
B
Step-by-step explanation:
For every pair (x,y) the x should not occur in another pair! This way you ensure that there is at most one y value per x value.
