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kobusy [5.1K]
3 years ago
6

A skateboard ramp forms at 42 degrees angle as shown find the x value

Mathematics
1 answer:
Serga [27]3 years ago
4 0
The answer is 23 I am a math nerd
You might be interested in
Need this question's answer.
IRISSAK [1]

Answer:

1.2

2.4√3÷3

3. x=45, y=15

Step-by-step explanation:

OK,

1. So the first part requires the Pythagoreanism formula which is: b²=a²+c²:

AC²=AB²+BC²====> AC²=(1)²+(√3)²===> AC²=4===> AC=2

2.The second part requires the formula of tan:

tan A=BC÷AB===> tan A=√3÷1===> tan A=√3

tan C=AB÷BC===> tan C=1÷√3===> tan C=√3/3

tan A+tan C=√3+√3/3===> 4√3÷3

3.And the last part requires the equation of angles:

A+B+C=180===>

x+y+x-y+90=180===> 2x=90===> x=45, y=15

7 0
2 years ago
A n-faced regular polyhedron consists of 2n edges and (2n-4) vertices. Find n .
ira [324]

We could use Euler's polyhedron formula:

F=n\qquad\qquad\text{(Faces)}\\\\E=2n\qquad\qquad\text{(Edges)}\\\\V=2n-4\qquad\qquad\text{(Vertices)}\\\\\\V-E+F=2\\\\2n-4-2n+n=2\\\\-4+n=2\qquad|+4\\\\\boxed{n=6}



3 0
4 years ago
Find the volume of the cylinder.
zalisa [80]
Divide the radius by pi then times them
5 0
4 years ago
Is negative 7/2 a whole number
sasho [114]

Answer:

no it is not

a whole number is a number with that is a multiple of 1

ex 1,6,4

but not 2/3,-5.5,-225

if we simplfy -7/2 we get -3.5

Hope This Helps!!!

8 0
3 years ago
Read 2 more answers
10. A cliff on the seashore is eroding at the rate of 17 centimeters per year. Write and solve an equation to find the number of
katovenus [111]

Answer:

The answer is 5 years

Step-by-step explanation:

You must do 85 cm ÷ 17 cm to find how many years in which the cliff will erode 85 centimeters and the answer is 5.

7 0
3 years ago
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