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3 years ago

Which radical expression is equivalent to k 2/9 ?

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

7 0

I believe the answer is D .

fenix001 [56]3 years ago

6 0

Answer:

Option D is the correct answer

Step-by-step explanation:

$\huge {k}^{ \frac{2}{9} } = ( \sqrt[9]{ {k}}) ^{2} \\$

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The number of airline passengers in 1990 was 466 million. The number of passengers traveling by airplane each year has increased

taurus [48]

Answer:

2010.

Step-by-step explanation:

We have been given an exponential growth formula $P(t)=466\cdot 1.035^t$ , which represents number of passengers traveling by airplane since 1990.

To find the year in which 900 million passengers will travel by airline, we will equate the given formula by 900 and solve for t as:

$900=466\cdot 1.035^t$

$\frac{900}{466}=\frac{466\cdot 1.035^t}{466}$ $1.9313304721030043=1.035^t$

Take natural log of both sides:

$\text{ln}(1.9313304721030043)=\text{ln}(1.035^t)$

Using property $\text{ln}(a^b)=b\cdot \text{ln}(a)$ , we will get:

$\text{ln}(1.9313304721030043)=t\cdot \text{ln}(1.035)$

$0.658209129198=t\cdot 0.034401426717$

$\frac{0.658209129198}{0.034401426717}=\frac{t\cdot 0.034401426717}{0.034401426717}$

$19.1331927775=t\\\\t=19.1331927775$

This means that in the 20th year since 1990, 900 million passengers would travel by airline.

$1990+20=2010$

Therefore, 900 million passengers would travel by airline in 2010.

6 0

3 years ago

My teachers are not helping me

kupik [55]

Answer:

Your answer will be E

Step-by-step explanation:

The correct answer to this problem is E.

15/375

1/25

1 ÷ 25 or E

Each shirt cost $25

3 0

3 years ago

Read 2 more answers

Next, find the length of BC. Place point F at (4,4), and draw BF and FC. Find BF and FC using the coordinates of B, C, and F. Th

hammer [34]

9514 1404 393

Answer:

BC = 5

Step-by-step explanation:

Of course, this geometry program can tell you the length of BC.

If you follow directions, you get a right triangle BCF that has leg lengths 3 and 4. The Pythagorean theorem then tells you the length of hypotenuse BC is ...

BF = 4 -1 = 3

FC = 4 -0 = 4

BC² = BF² +FC²

BC² = 3² +4² = 9 +16 = 25

BC = √25

BC = 5

7 0

3 years ago

Solve the math problem please

koban [17]

Answer:

Option D

Step-by-step explanation:

Collect all like terms and Calculate

-10x-7x= -17x

20-54= -34

Divide

-17x < -34

x>2

6 0

3 years ago

Read 2 more answers

3x-4=5<br><br> Solve the equation above

SVEN [57.7K]

Answer:

The answer is x = 3

Explanation step by step

8 0

3 years ago