Answer:
x+11.5
Step-by-step explanation:
4x² +7x-2=0
16x+7x-2=0
23x-2=0
+2 +2
23x=2
23x/2
x= 11.5
I hope these help.
Answer:
We conclude that exist 286 different ways.
Step-by-step explanation:
We know that a ballroom dance couple has learned 13 different routines and needs to pick 10 of them to prepare for an upcoming local competition.
So, we count that out of 13 different routines we choose 10.
We use the following formula:
![C_{10}^{13}=\frac{13!}{10!(13-10)!}=\frac{13\cdot 12\cdot 11\cdot 10!}{10!\cdot 3\cdot 2\cdot 1}=286\\](https://tex.z-dn.net/?f=C_%7B10%7D%5E%7B13%7D%3D%5Cfrac%7B13%21%7D%7B10%21%2813-10%29%21%7D%3D%5Cfrac%7B13%5Ccdot%2012%5Ccdot%2011%5Ccdot%2010%21%7D%7B10%21%5Ccdot%203%5Ccdot%202%5Ccdot%201%7D%3D286%5C%5C)
We conclude that exist 286 different ways.
Answer:
Step-by-step explanation: FF represents the temperature in degrees Fahrenheit is equivalent to CC, the temperature in degrees Celsius.
F=32+1.8CF=32+1.8C
Answer:
10
Step-by-step explanation:
The acronym PEMDAS is helpful when learning order of operations. It stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction which is the order in which you solve an equation. For this set of numbers there are no parenthesis or exponents so you would start by multiplying 3*2=6 Then add the 8 to the 6 and you get 14 Subtract the 4 and the answer is 10
Total distance - biking distance = running distance
11.42 - 8.7 = 2.72 miles of run