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borishaifa [10]
3 years ago
15

A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is t

he angle of incline of the ramp?

Mathematics
1 answer:
Nata [24]3 years ago
4 0
Check the picture below.

make sure your calculator is in Degree mode, if you need θ in degrees.

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Sue invests £9000 in an account for one year.
Anika [276]

Answer:

£151.20

Step-by-step explanation:

20%= 100%divided by 5

To find 100% from 20% you x by 5

so you times 30.24 by 5

30.24x 5 = 151.2

So the answer is £151.20

interest percentage rate would be 1.6754%

3 0
3 years ago
benjamin is 4 years younger the kevan william is 4 years less than twice benjamins age if willian is 22 how old are kevan and be
meriva
Kevin would be 14 and Benjamin would be 10
7 0
3 years ago
During two years, the population of birds of an island became 7 times more than before. If the first year increase in the popula
nordsb [41]

Answer:

The percent increase of the second year is 400%.

Step-by-step explanation:

Consider the provided information.

Let the population of birds was x.

After 2 years the population becomes 7 times more than before.

Therefore, after 2 years population is 7x.

In first year increase in the population was 40%.

Population after 1st year = x + 40% of x

Population after 1st year = x + 0.40x

Population after 1st year = 1.4x

The population increase from 1st year to 2nd year is: 7x-1.4x=5.6x

Thus the percentage increase is:

\% increase=\frac{5.6x}{1.4x}\times100=400\%

Hence, in second year the population of birds increase by 400%.

6 0
3 years ago
When planning a date night, you have a choice of 2 types of restaurants: pizza (P) or barbeque (B); a choice of 3 types of movie
enot [183]

Answer:

S = \{PRC, PRI,PAC,PAI,PDC,PDI,BRC, BRI,BAC,BAI,BDC,BDI\}

Step-by-step explanation:

Given

Restaurant = \{P,B\}

Movies = \{R,A,D\}

Post-movie = \{C,I\}

Required

List out the sample space

To do this, we simply pick 1 item in each category, without repetition.

So, we have:

S = \{PRC, PRI,PAC,PAI,PDC,PDI,BRC, BRI,BAC,BAI,BDC,BDI\}

4 0
3 years ago
5627 times an unknown variable is 41
vodomira [7]
Let the unknown variable be x.
5627x=41
x=41/5627
3 0
3 years ago
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