Answer:
<h2>
<em><u>no, it's 18 dear</u></em></h2>
Step-by-step explanation:
please mark as brain and like please please follow me and I'm waiting excitedly for the reaction of you and your like
So the points are (-3/7,-8/3) and (-5/2,-2)
to find the slope do
(y2-y1)/(x2-x1)
(x,y)
x1=-3/7
y1=-8/3
x2=-5/2
y2=-2
subsitute
![\frac{-2-( \frac{-8}{3} )}{ \frac{-5}{2} - \frac{-3}{7} }](https://tex.z-dn.net/?f=%20%5Cfrac%7B-2-%28%20%5Cfrac%7B-8%7D%7B3%7D%20%29%7D%7B%20%5Cfrac%7B-5%7D%7B2%7D%20-%20%5Cfrac%7B-3%7D%7B7%7D%20%7D%20)
simplify by finding similar denomenators
![\frac{\frac{-6}{3}-( \frac{-8}{3} )}{ \frac{-35}{14} - \frac{-6}{14} }](https://tex.z-dn.net/?f=%20%5Cfrac%7B%5Cfrac%7B-6%7D%7B3%7D-%28%20%5Cfrac%7B-8%7D%7B3%7D%20%29%7D%7B%20%5Cfrac%7B-35%7D%7B14%7D%20-%20%5Cfrac%7B-6%7D%7B14%7D%20%7D%20)
![\frac{\frac{-6}{3}( \frac{8}{3} )}{ \frac{-35}{14} + \frac{6}{14} }](https://tex.z-dn.net/?f=%20%5Cfrac%7B%5Cfrac%7B-6%7D%7B3%7D%28%20%5Cfrac%7B8%7D%7B3%7D%20%29%7D%7B%20%5Cfrac%7B-35%7D%7B14%7D%20%2B%20%5Cfrac%7B6%7D%7B14%7D%20%7D%20)
add
![\frac{\frac{2}{3}}{ \frac{-29}{14}}](https://tex.z-dn.net/?f=%20%5Cfrac%7B%5Cfrac%7B2%7D%7B3%7D%7D%7B%20%5Cfrac%7B-29%7D%7B14%7D%7D%20)
multiply top and bottom by
![\frac{-14}{29](https://tex.z-dn.net/?f=%20%5Cfrac%7B-14%7D%7B29%20)
![\frac{\frac{-28}{87}}{1}](https://tex.z-dn.net/?f=%20%5Cfrac%7B%5Cfrac%7B-28%7D%7B87%7D%7D%7B1%7D%20)
![\frac{-28}{87}](https://tex.z-dn.net/?f=%20%5Cfrac%7B-28%7D%7B87%7D%20)
answer is
slope=
Answer:
dang
Step-by-step explanation:
A. x – 58 = 129
yes
B. x + 58 = 129
no
C. 180 – 129 − 59 = x
yes
D. 129 – 58 = xyes
E. (180 – 129) – 51 + x = 180no
hope this helps
Answer:
a)
, b) ![\frac{dB}{dt}\approx 5.595](https://tex.z-dn.net/?f=%5Cfrac%7BdB%7D%7Bdt%7D%5Capprox%205.595)
Step-by-step explanation:
a) The rate of change of the brightness of the Cepheid can be determined by deriving the function in time:
![\frac{dB}{dt} = \left(\frac{2\pi}{4.2} \right)\cdot 0.25\cdot \cos (2\pi\cdot \frac{t}{4.2})](https://tex.z-dn.net/?f=%5Cfrac%7BdB%7D%7Bdt%7D%20%3D%20%5Cleft%28%5Cfrac%7B2%5Cpi%7D%7B4.2%7D%20%5Cright%29%5Ccdot%200.25%5Ccdot%20%5Ccos%20%282%5Cpi%5Ccdot%20%5Cfrac%7Bt%7D%7B4.2%7D%29)
![\frac{dB}{dt} = \frac{5\pi}{4.2} \cdot \cos \left(2\pi\cdot \frac{t}{4.2} \right)](https://tex.z-dn.net/?f=%5Cfrac%7BdB%7D%7Bdt%7D%20%3D%20%5Cfrac%7B5%5Cpi%7D%7B4.2%7D%20%5Ccdot%20%5Ccos%20%5Cleft%282%5Cpi%5Ccdot%20%5Cfrac%7Bt%7D%7B4.2%7D%20%5Cright%29)
b) The rate of increase after one day is:
![\frac{dB}{dt} = \frac{5\pi}{4.2} \cdot \left(2\pi \cdot \frac{1}{4.2} \right)](https://tex.z-dn.net/?f=%5Cfrac%7BdB%7D%7Bdt%7D%20%3D%20%5Cfrac%7B5%5Cpi%7D%7B4.2%7D%20%5Ccdot%20%5Cleft%282%5Cpi%20%5Ccdot%20%5Cfrac%7B1%7D%7B4.2%7D%20%5Cright%29)
![\frac{dB}{dt}\approx 5.595](https://tex.z-dn.net/?f=%5Cfrac%7BdB%7D%7Bdt%7D%5Capprox%205.595)