Answer:
43.75 percent decrease
Step-by-step explanation:
caslan?
We need to use the formula to find Margin of Error but through the sample proportion, that is
We will use a 95% confidence interval, that is a z value of 1.96 (Search in a Normal distribution table)
A) For A our 
(proportion) is equal to 0.45. So applying the formula,
B) We make the same of point A, but change our proportion to 0.35
c) We need to calculate the SE through proportion for 0.1, that is
Then our Error is given by,
Answer:
a= 15
Step-by-step explanation:
Given
3a + b = 54 ← substitute b = 9
3a + 9 = 54 ( subtract 9 from both sides )
3a = 45 ( divide both sides by 3 )
a = 15
A square is basically two triangles put together and since a square has four right angles you can use the Pythagorean Theorem to do this.
A squared +b squared <24
5 squared x 5 squared = 25
Sooooooo...... ;)
Get it?
2. Some fractions could be different in denominator and numerator so you'll have to make all denominators the same in order to order them. It'll make it easier because the numerator will show which numbers are greater than the other. For example, 1/2 and 3/4, u could convert both to equivalent fractions. Make 1/2 into 2/4 and 3/4 stays the same, 3/4 is greater than 2/4 so it goes first.
3. 2/3, 7/12, 4/9, 1/2, 3/8, 5/24.
It's in this order because their equivalent fractions are,
27/72, 48/72, 36/72, 42/72, 36/72, 15/72.( that's the order they're in in the question)
