Answer:
10 hours
Step-by-step explanation:
45 pages per 1 hour and 30 minutes, or 60 min +30 min =90 min
90 minutes / 45 pages has to be equal to an equivalent fraction where we have 300 pages
90 minutes /45 pages = ? minutes / 300 pages , multiply both sides by 300
? minutes = 90*300/45 = 600 minutes
to read 300-page book will take 600 minutes = 10 hours
Answer:
$722444.49386776
Step-by-step explanation:
Use Compound Intrest Formula
![a = p(1 + \frac{r}{n} ) {}^{nt}](https://tex.z-dn.net/?f=a%20%3D%20p%281%20%2B%20%20%5Cfrac%7Br%7D%7Bn%7D%20%29%20%7B%7D%5E%7Bnt%7D%20)
- where p is the original amount.
- R is the amount of percentage compounded
- N is amount of times compounded per year.
- T is how long the interest last.
P is 400,00p
T is 12% or 0.12
N is 4 since it is compounded quarterly
T is 5.
Plug the values in
![400000(1 + \frac{0.12}{4} ) {}^{20}](https://tex.z-dn.net/?f=400000%281%20%2B%20%20%5Cfrac%7B0.12%7D%7B4%7D%20%29%20%7B%7D%5E%7B20%7D%20)
Ypu get
$722444.49386776
Answer:
Step-by-step explanation:
Draw a picture.
θ = 81.7°
tanθ = height/121.6
height = 121.6tanθ ≅ 833.5
The building is 833.5 ft high.
:::::
When shadow is 2×121.6 = 243.2 ft long, tanθ = height/243.2
θ = arctan(height/243.2) ≅ 73.7°
Answer:
x = 9
m Angle B = 54
m Angle E = 54
Step-by-step explanation:
As m Angle B and m Angle E are congruent,
5x + 9 = 7x - 9
-2x = - 18
x = 9
m Angle B = 5x + 9 = 54
m Angle B = m Angle E
Therefore, m Angle E = 54