percentage change
3/15*100
20%
if the signs are the same when adding integers ,what is the answer going to be , positive or negative?
the answer is going to be postitive
what is random sampling?
random sampling is when everyone gets a equal choice of being picked or selected or a probability method where every member of a population has an equal, unbiased chance of selection.
what is simple interest ?
simple interest is when I have extra money or earn money for a certain time
when a angle is 90o what type of angle is it?
it is a right angle
A magician is training for an underwater escape trick. Upon first trying, she could hold her breath for 90 seconds. Now, using a different technique, she can hold it for 10% longer. How long can the magician currently hold her breath?
he magician can currently hold her breath for 99 seconds.
(-48 -8)
the correct answer -56
how is random sampling used
it is used to create a representative sample, reducing selection bias.
what is the formula for simple interset
The simple interest formula is I=p*r*t
what is an Supplementary angle
whos angles whose sum is 180
how to find the percentage change?
Subtract the original value from the new value (New - Original)
8 ( - 5 ) ( - 3
= 32
A school has 400 students. A random sample of 20 students shows that 3 students walk to school. Based on this sample, how many students in the entire school would you expect to walk to school?
Approximately \(60\) students walk to school.
bank is offering 2.5% simple interest on a savings account. If you deposit $5000, how much interest will you earn in one year ?
you will earn $125.00 in interest after one year
what is a Vertical angle
A pair of opposite angles formed by intersecting lines, which are always equal.
Cameron attends a private school where he must wear a uniform. Last year, the price of the uniform was $50. This year's uniform price is $53. Find the percentage change?
51.00
5( - 3 )
-15
what is an example of random sampling
conducting a survey at a mall or retail store
how is simple interest used
Simple interest is a method of calculating interest only on the original principal amount, commonly used for short-term loans, car loans, or savings deposits.
what is a Adjacent angle?
Angles that share a common vertex and side.
Berry Delicious is a popular shop that sells chocolate-covered strawberries. This year, the shop used 50% more strawberries than the previous year, when it used 2,190 kilograms. How many strawberries did Berry Delicious use this year?
Berry Delicious used 1,095 kilograms more strawberries than the previous year.
A group of hikers is descending a mountain at a rate of 400 feet per hour. What is the change in the elevation of the hikers after 6 hours?
he change in elevation is –2,400 feet.
why do we use random sampling
we use random sampling to make sure that every one gets an equal change to get picked
what is simple interest for begginers
SI = (Principal × Rate × Time) / 100
what is a Complementary Angles
Two angles whose sum is 90