Answer:
4628
Step-by-step explanation:
We are given that
In 2000
The population of a small industrial town in 2000=12910
Depreciation rate, r=5% per year
We have to find the population in the year 2020.
Time from 2000 to 2020=20 years
Where FV=Future value
PV=Present value
Using the formula
FV=4628
Hence, the population in 2020 =4628
Answer:
D. ±11
Step-by-step explanation:
x = ± which simplifies to:
x = 11 and x = -11 (which is basically ±11)
Answer:
28%
Step-by-step explanation:
3600$ × 20%
=3600 ×(20/100)
=3600 × 0.2
= 720
Actual Price = 3600 - 720
= 2880
Profit is at 4000$ = 4000 - 2880
= 1120$
%profit = (1120/4000) × 100
profit = 28%
Answer:
(a)
(b)The body length of the dinosaur is 525 cm
Step-by-step explanation:
Question
(a) What is the ratio of the length of the footprints in the dinosaur length?
(b) Iris found a new track she believes was made by the same species of dinosaur. If the footprint was 30 cm long and if the same ratio of foot length to body length holds, how long is the dinosaur?
(a)
Given that:
The length of footprint = 40 cm
the thigh bone = 100 cm
the body length = 700 cm
∴
(b)
suppose p,q,r,s are real numbers, where q ≠ 0 & s ≠ 0.
Then:
is a proportion if and only if ps = qr
Given that:
length of footprint = 30 cm
If possible the body length of the dinosaur is q (cm)
The length of how long the dinosaur is can be computed as:
2q = 30 * 35
q = (30 * 35)/2
q = 525 cm
Answer: The required ratio in simplest form is 7 : 5 : 8.
Step-by-step explanation: Given that in a fruit punch drink, the 3 ingredients are apple juice orange juice and cranberry juice. of the drink is apple juice and is orange juice.
We are to find the ratio of cranberry juice to apple juice to orange juice in its simplest form.
Let x, y and z be the fractions of the cranberry juice, apple juice and orange juice in the fruit punch drink.
Then, according to the given information, we have
Now,
Therefore, the ratio of cranberry juice to apple juice to orange juice is given by
Thus, the required ratio in simplest form is 7 : 5 : 8.