We have that
the picture original is 2.5 in x 6 in
high=2.5 in
wide=6 in
the picture <span>enlarged is
</span>high=2.5*x
wide=6*x-----> 6*x=18--------> x=18/6----------> x=3
x is the factor scale
so
high=2.5*x-----> 2.5*3----> 7.5 in
the answer is
7.5 in
Answer:
The change received by the customer is $7.
Step-by-step explanation:
First, write the given expression for the change when paying with $50.
Evaluate the parentheses:
Now add the numbers inside the parentheses.
Subtract the numbers.
Hence, the change received by the customer is $7.
Option 4: ![\sqrt[7]{125x^9y^{12}}](https://tex.z-dn.net/?f=%5Csqrt%5B7%5D%7B125x%5E9y%5E%7B12%7D%7D)
is the right answer
Step-by-step explanation:
Given expression is:
In order to convert an exponent into radical form, the power should be in the form of 1/x where x is any number
so,
in case of 3/7, it will be broken down
The 1/7 will be converted into base of radical while 3 will be he exponent
![\sqrt[7]{(5x^3y^4)^3}](https://tex.z-dn.net/?f=%5Csqrt%5B7%5D%7B%285x%5E3y%5E4%29%5E3%7D)
Multiplying exponents
![=\sqrt[7]{5^3x^{3*3}y^{4*3}}\\=\sqrt[7]{125x^9y^{12}}](https://tex.z-dn.net/?f=%3D%5Csqrt%5B7%5D%7B5%5E3x%5E%7B3%2A3%7Dy%5E%7B4%2A3%7D%7D%5C%5C%3D%5Csqrt%5B7%5D%7B125x%5E9y%5E%7B12%7D%7D)
Hence,
Option 4: is the right answer
Keywords: Radicals, Exponents
Learn more about exponents at:
#LearnwithBrainly
Answer:
D. n1 and n2 can be of different sizes
Step-by-step explanation:
When we are trying to develop interval estimate for difference between two populations, we first select two samples from these populations. We get the interval using the required statistic.
These are:
- Sample size of both populations. Which are n1 and n2 respectively.
- then the Sample mean of two populations
- sample standard deviation.
The samples of different sample sizes can be used and we are not obligated to make use of the same sample size.
First, you need to take 40% off of the original price ($68) to find the discount. to do this, multiply 68 by 0.4 (.4 is 40% in decimal form). You should get $27. 20. Next, you subtract this from 68- keep in mind that we found the discount, not the actual price. 68- 27.20= 40.8. Now, we multiply this by 20%, or 0.2- you should get 8.16. Subtract that from 40.8 to get <u>$32.64</u>.
