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Sever21 [200]
3 years ago
7

Which model represent 12×11​

Mathematics
1 answer:
sergey [27]3 years ago
4 0
What are the choices? You should have inserted a picture.
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A staircase has an angle of elevation of 28° anı
AveGali [126]

Hi there!

We can use right-triangle trigonometry to solve.

We are given the HYPOTENUSE and ADJACENT sides, so we must use cosine in this instance.

cosθ = Adjacent/Hypotenuse

We can plug in what is given:

cos(28) = A/17

Solve for 'A':

17cos(28) = <u>15.01 ft</u>

5 0
2 years ago
You design a new app for cell phones. Your revenue for x downloads is given by f(x) = 3x Your profit
Snowcat [4.5K]

Answer:

p = 2.7x - 20

p(90) = $223

Step-by-step explanation:

revenue → f(x) = 3x  ,where x is the number of downloads.

the statement “Your profit p is $20 less than 90% of the revenue for x downloads”

<u><em>means</em></u>

p=90\% f\left( x\right)  -20

<u><em>means</em></u>

<u><em></em></u>p=\frac{90}{100} \times f\left( x\right)  -20

<u><em>means</em></u>

p=\frac{9}{10} \times (3x)  -20

<u><em>means</em></u>

p=\frac{9}{10} \times (3x)  -20

<u><em>means</em></u>

p=2.7x -20

………………………………

the profit for 90 downloads :

= p(90)

= 2.7×(90) - 20

= $223

5 0
1 year ago
5 kilometers 745 decimeters = how many<br> decimeters
tester [92]
5 kilometers = 5000 decimeters if that answers your question sorry ...
5 0
2 years ago
About 786,700,000 passengers traveled by plane in the United States in 2010. What is
Schach [20]

Answer: 7.867 x 10^8

Step-by-step explanation:

(the “^8” is an exponent of 8)

4 0
3 years ago
Can someone explain how to do these thx
Monica [59]

Answer:

i have made it in above picture

hope it helps

7 0
2 years ago
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