3 years ago

How many centimeters are there in 1/5 of an inch

Mathematics

1 answer:

Lynna [10]3 years ago

4 0

Answer:

0.508

Step-by-step explanation:

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A country's population in 1992 was 72 million. In 1998 it was 76 million. Estimate the population in 2012 using the exponential

stepan [7]

We assume the annual percentage increase is the same. We will work out the constant k using the formula

We have
P = 76
A = 72
t = 6 years (from 1992 to 1998)

Substitute into the formula
$76=72e^{6k}$
$\frac{76}{72}=e^{8k}$
Take log both sides give
$ln( \frac{76}{72})=ln(e^{6k})$
$0.05406722127=6k$
$k=0.009$

We can now work out the number of population by the end of 2012 using the formula

We have
A = 72 million
k = 0.009
t = 10 years (1992 to 2012)

$P=72e^{0.009*10}$ $P=78.78$ ≈79 million

7 0

3 years ago

Angles ∝ and β are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of ∝

snow_lady [41]

Well, since we know that sin(x) = cos(90-x), we can transform the given into
2x - 8/3 = 90 - (4x - 10/3)
2x - 8/3 = 90 - 4x + 10/3
Now clear fractions by multiplying by three...

6x - 8 = 270 - 12x + 10
6x - 8 = 280 - 12x
18x = 288
x = 16
4x - 10/3 = 4(16) - 10/3 = 64 - 3.33 = 60.67 degrees.
Choice C.

8 0

3 years ago

2. Select all ratios that are equivalent to 3:18. 21:126 6:36 1:6 1:18 15 21

mafiozo [28]

Answer:

21:126

6:36

1:6

Step-by-step explanation:

5 0

3 years ago

Which of the following is equal to √3 √5

barxatty [35]

The closest one is 5 to the power of 1 over 3.
sq rt of 3 = 1.732
sq rt of 5 = 2.236
5^1/3 = 1.667
5^1/6 = 0.833
5^2/3 = 8.333
5^3/2 = 62.5

7 0

3 years ago

Read 2 more answers

Ayuda es para hoy :C

olga55 [171]

Answer:

busca cymath.com

Step-by-step explanl

4 0

3 years ago