64*3= 192 I multiplied that because the car traveled for 3 hours at the speed of 64 miles.
64-15= 49 I subtracted 15 out of 64 because the car only traveled 45 minutes after the three hours.
=241 final answer
Answer:
Below.
Step-by-step explanation:
One method is by Trial and Improvement.
Example: Find the cube root of 20.
We know that cube root of 8 is 2 and cube root of 27 is 3 so the cube root of 20 is between 2 and 3.
So we could try 2.5:
2.5^3 = 6.25 * 2.5 - Use long multiplication to get 15.625.
So we need to go higher so we try 2.6*3:
= 17.576
2.7^3 = 19.683.
2.8^2 = 21.952.
The results are either side of 20 with 19.683 the closest.
So we can say that the cube root is 2.7 to the nearest tenth.
Further calculations are necessary to get an answer correct to the nearest hundredth.
This is a rather long process.......
Answer:
Alternate Hypothesis determines which type of test is used.
Step-by-step explanation:
We have find the hypothesis that helps us o determine the nature of test.
- There are three types of test two tailed test, lest tailed test or right tailed test
- It is the alternative hypothesis that states the nature of test.
- The null hypothesis always state that the sample belongs to the population and always shows equality to the population.
- The alternate hypotheses states that whether the sample belongs to the population or not and tell that there is a significant difference between the two variables.
- For example, for a one sample test of population mean we have the following alternate and null hypothesis.
Answer:
x = 139 degrees
Step-by-step explanation:
first, find what the missing interior angle is:
add the known angles:
90 + 49 = 139
subtract the sum from 180:
180 - 139 = 41
now to solve for x, take 180 and subtract 41:
180 - 41 = 139
x = 139 degrees
Answer:
y=105 z=
Step-by-step explanation:
---y = the other side of y and 75 are parallel meaning that they have the same value so u just have to do 180-75=105
---the value of the total equation must be 75 and so u add 93+75 =168 and then 168÷6=28
so there u go z =28