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Dafna11 [192]
3 years ago
11

A course for a skateboard race consists of a 200-meter downhill run and a 150-meter level portion. The angle of elevation from t

he finish line to the starting point of the race is 27.4°. Find the angle θ the hill makes with the horizontal.

Mathematics
1 answer:
MrMuchimi3 years ago
8 0
The third choice is the correct one. 
draw a line from the starting point on the hill to the finishing point, suppose the angel formed by this new line and the slope of the hill is x
sinx/150=sin27.4/200
sinx=(150*sin27.4)/200
x=sin-1[(150*sin27.4)/200]
the angle formed by the slope of the hill and the horizontal line is the sum of x and 27.4
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Five hundred teenagers were sampled at random about their favorite movie genre. The results are listed in the table below. Out o
MaRussiya [10]

Answer:

924 teenagers

Step-by-step explanation:

154 / 500 ×3000

= 924

Since 154 teenagers out of 500 prefer action movies, you'll just divide them by their total number 500 multiplied by the other total number 3000 to get the others who prefer action movies.

trying the others too

sci- fi

116 / 500 × 3000

= 696

romance

109 / 500 × 3000

= 654

comedy

78 / 500 × 3000

= 468

drama

43 / 500 × 3000

= 258

putting all of them together should give u ur total number

924 + 696+ 654 + 468 +258

= 3000

5 0
2 years ago
In the radius of a circle with an area of 10 inches squared is reduced by half what is the area of the new circle
Sphinxa [80]

Answer:

Hence when the radius is halved the area is divided by 4

2.5 inches^2

Step-by-step explanation:

Given data

Area= 10inches^2

We know that the expression for the area of  a circle is given as

Area= πr^2

10= 3.142*r^2

10/3.142= r^2

r^2= 3.18

Square both sides

r= √3.18

r= 1.78 inches

Now let us half the radius and find the area of the new circle

r/2= 1.78/2

r= 0.89

Area of the new circle is

Area= 3.142*0.89^2

Area= 3.142*0.7921

Area= 2.5 inches^2

7 0
3 years ago
Jared said that every prime number is an integer. Do you agree or disagree
Nookie1986 [14]
I "agree." This statement is correct every <span>prime number is an integer. Integers are </span><span>a whole number and a number that is not a fraction. Prime numbers cant be fractions therefore every prime number is in fact a integer.

Hope this helps!
</span>
7 0
2 years ago
How can I complete this assignment.
Mademuasel [1]

Answer:

what   assignment.

Step-by-step explanation:

5 0
2 years ago
Need help solving for X
AlladinOne [14]
You need to cross multiply 
560=350+35x 
210=35x
x=6
hope this helped
7 0
3 years ago
Read 2 more answers
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