PEMDAS
12-14=-2
-2-5=-7
-7-9=-16
-16-4=-20
-20 is the answer
For this question, you simply multiply 32.4 by 12.7 to get the number of miles that Jennie can drive. The answer is 411.48, choice c.
Hope this helps!
1)
answer
A. PQR = PSQ = QSR
2)
answer
B. MNO = MOP = PNO
Answer:
4 (RootIndex 3 StartRoot 6 x squared EndRoot) = 4![\sqrt[3]{6x^2}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B6x%5E2%7D)
Step-by-step explanation:
- <em>Added radical forms to the question for better visibility.</em>
Which of the following is a like radical to RootIndex 3 StartRoot 6 x squared EndRoot =
?
- x (RootIndex 3 StartRoot 6 x EndRoot) = x
![\sqrt[3]{6x}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B6x%7D)
- 6 (RootIndex 3 StartRoot x squared EndRoot) = 6
![\sqrt[3]{x^2}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7Bx%5E2%7D)
- 4 (RootIndex 3 StartRoot 6 x squared EndRoot) = 4
![\sqrt[3]{6x^2}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B6x%5E2%7D)
- x (RootIndex 3 StartRoot 6 EndRoot) = x
![\sqrt[3]{6}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B6%7D)
<h3>Solution</h3>
- <em>Like radicals are radicals that have the same root number and expression under the root.</em>
1) x
= ![\sqrt[3]{6x^4}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B6x%5E4%7D)
2) 6
= ![\sqrt[3]{6^3x}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B6%5E3x%7D)
3) 4
4) x
= ![\sqrt[3]{6x^3}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B6x%5E3%7D)
Compared with the given radical, we can see from the given choices only 3rd choice is like radical with
Answer:
69 bpm
Step-by-step explanation:
Here we start out finding the z-score corresponding to the bottom 33% of the area under the standard normal curve. Using the invNorm( function on a basic TI-83 Plus calculator, I found that the z-score associated with the upper end of the bottom 33% is -0.43073.
Next we use the formula for z score to determine the x value representing this woman's heart rate:
x - mean x - 75 bpm
z = ----------------- = -0.43073 = --------------------
std. dev. 15
Thus, x - 75 = -0.43073(15) = -6.461, so x = 75 - 6.6461, or approx. 68.54, or (to the nearest integer), approx 69 bpm