Answer:
25%
Step-by-step explanation:
percent error is found by the equation(measured-real)/real x 100
20 is the measured value and 16 is the real value
(20-16)/16 x 100
4/16 x 100
0.25 x 100
25
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1 - million
4 - hundred thousands
5 - ten thousands
3 - thousands
8 - hundreds
9 - tens
7 - ones
Threfore, the value of 4 is hundred thousands.
The maximum number of toppings they can put on their pizza is 4 toppings because since she has 15 dollars and she needs 11.50 to buy the pizza, 15.00-11.50=3.50. She will have 3.50 dollars to spend on toppings. So, 3.50 divided by .75 is 4.
If the angles are vertical, they must be equal.
If the angles are supplementary, then they add up to 180 degrees.
If each angles is x (since they are equal)
then
2x=180, or
x=90 °
The angles are each 90 °