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3 years ago

Pls help fast simply the complex fraction

Mathematics

2 answers:

Andrei [34K]3 years ago

8 0

Answer:

10/11

Step-by-step explanation:

(8/11)/(4/5)

= (8/11) x (5/4)

= 40/44

= 10/11

Zolol [24]3 years ago

4 0

Answer: 10/11

Step-by-step explanation: multiply by the reciprocal of the divisor (8/11*5/4). you can reduce the fraction, so we can make it 2/11*5/1. just multiply, and you have your answer.

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∠A is an acute angle in a right triangle. Given that cosA=1517, what is the ratio for sinA?

mestny [16]

Answer:

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Step-by-step explanation:

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4 years ago

Emma's grades are 100, 98, 94, 90, and 88. Emma decides not to study for the final because her grades are so high on all of the

makkiz [27]

Answer:

Average x = 89

Size n = 6

Sum Sum = 534

Solution:

The Average (Mean) is equal to the Sum of all data divided by the Size of the data set.

Average = Sum / Size

= 534 / 6

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8 0

3 years ago

The population of a town grows at a rate proportional to the population present at time t. The initial population of 500 increas

tiny-mole [99]

Answer:

The population in 20 years will be 781.

Step-by-step explanation:

The population of the town can be modeled by the following equation:

$P(t) = P(0)e^{rt}$

In which P(t) is the population after t years, P(0) is the initial population and r is the growth rate, as a decimal.

The initial population of 500 increases by 25% in 10 years.

This means that $P(0) = 500, P(10) = 1.25*P(0) = 625$

We use this to find r.

$P(t) = P(0)e^{rt}$

$625 = 500e^{10r}$

$e^{10r} = 1.25$

Applying ln to both sides

$\ln{e^{10r}} = \ln{1.25}$

$10r = \ln{1.25}$

$r = \frac{\ln{1.25}}{10}$

$r = 0.0223$

$P(t) = 500e^{0.0223t}$

What will be the population in 20 years

This is P(20)

$P(20) = 500e^{0.0223*20} = 781$

The population in 20 years will be 781.

8 0

4 years ago

Micheal will be running a 15 mile road race. How many feet will he run ? ( 1 mile = 5280 feet)

MArishka [77]

Answer: 79,200 feet

Step-by-step explanation:

15 x 5,280= 79,200

8 0

3 years ago

To play indoor soccer at the Sun Oaks Club, you must pay a $100 membership

sukhopar [10]

Given that:

Membership feet to play indoor soccer at the Sun Oaks Club = $100

Hourly rate = $10

To find:

The function f represents the cost of playing soccer at Sun Oaks.

Here, fixed cost is $100.

Let the number of hours of playing be t. So, total variable cost is $10t.

Total cost = Fixed cost + Variable cost

$f(t)=100+10t$

So, the required function is $f(t)=100+10t$ .

Now, if the hourly rate were halved. Then,

Hourly rate $= \$ \dfrac{10}{2} = \$ 5$

So, total variable cost is $5t and total cost function is

$g(t)=100+5t$

So, the required function is $g(t)=100+5t$ .

7 0

3 years ago