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jeka94
3 years ago
14

Find the missing side. Round to the nearest tenth

Mathematics
2 answers:
Sloan [31]3 years ago
4 0

Answer:15/√(2)

Step-by-step explanation:

Φ=45

Hypotenus=15

Opposite=x

sinΦ=opposite ➗ hypotenus

Sin45=x ➗ 15

Cross multiply

x=15 x sin45

x=15 x 1/√(2)

x=15/√(2)

Elina [12.6K]3 years ago
3 0

Answer:

10.61

Step-by-step explanation:

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Answer: 160mi

Step-by-step explanation:

To find the area of a rectangle or that kind of shape u need to find the height and width and that would be 8mi and 20mi and of course they're the same on both side so u need to Height x Width so 8x20=160 or 20+20+20+20+20+20+20+20=160 or 8+8+8+8+8+8+8+8+8+8+8+8+8+8+8+8+8+8+8+8=160 but nobody wants to do it that way unless they absolutely have too

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Pleasantburg has a population growth model of P(t)=at2+bt+P0 where P0 is the initial population. Suppose that the future populat
Salsk061 [2.6K]

Answer: In June 2097

Step-by-step explanation:

According to the model, to find how many years t should take for  P(t)=21100 we must solve the equation  0.9t^2+6t+14000=21100. Substracting 21100 from both sides, this equation is equivalent to 0.9t^2+6t-7100=0.

Using the quadratic formula, the solutions are t_1= \frac{-6-\sqrt{6^2 -4*0.9*(-7100)}}{2*0.9}=-92.21 and t_2=\frac{-6+\sqrt{6^2 -4*0.9*(-7100)}}{2*0.9}=85.54. The solution t_1=-92.21 can be neglected as the time t is a nonnegative number, therefore t=t_2=85.54.

The value of t is approximately 85 and a half years and the initial time of this model is the January 1, 2012. Adding 85 years to the initial time gives the date  January 2097, and finally adding the remaining half year (six months) we conclude that the date is June 2097.

6 0
3 years ago
ANYONE WHO KNOWS THIS PLEASE HELP
son4ous [18]

Answer:

It takes the runner 3 hours to run 15 miles.

Hopefully, this is helpful!

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2 years ago
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Marrrta [24]

Answer:

If we are working in a coordinate plane where the endpoints has the coordinates (x1,y1) and (x2,y2) then the midpoint coordinates is found by using the following formula:

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Step-by-step explanation:

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true

Step-by-step explanation:

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