Answer:
m∡ZA = 51°
m∡ZB = 39°
Step-by-step explanation:
∡ZB = 'b'
∡ZA = '12 + b'
b + 12 + b = 90
2b + 12 = 90
2b = 78
b = 39
12 + 39 = 51
R² - 6r - 8 = 0
r² = 7.12
r = -1.12
Answer:
Who knows
Step-by-step explanation:
The question doesn't make sense so tell your teacher
Step-by-step explanation:
<u>Prices:</u>
![C_{pen}=1.25](https://tex.z-dn.net/?f=C_%7Bpen%7D%3D1.25)
![C_{pencil}=0.25](https://tex.z-dn.net/?f=C_%7Bpencil%7D%3D0.25)
Goal:
![n_{pen}=50](https://tex.z-dn.net/?f=n_%7Bpen%7D%3D50)
![n_{pencil}=100](https://tex.z-dn.net/?f=n_%7Bpencil%7D%3D100)
![E=115](https://tex.z-dn.net/?f=E%3D115)
Earnings for 50 pens and 100 pencils
![E=50*1.25+100*0.25=87.5](https://tex.z-dn.net/?f=E%3D50%2A1.25%2B100%2A0.25%3D87.5)
As can be seen, they have to either rise the number of pens and pencils they would like to sell, or they will have to lower they goal of learning
Answer:
21,356 x 1(1/2)
Step-by-step explanation:
The fourth option