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belka [17]
4 years ago
9

Calculate each mountain path grade to the nearest .

Mathematics
1 answer:
nordsb [41]4 years ago
5 0
I’m not exactly sure how to calculate the grade, but this is what I’ve done below. Hope it helps!
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Hey can someone please help me i dn't undertsand please no spam or wrong naswer this is important
stich3 [128]

<u>Answer</u>:

angle B = 43°  ||    c = 36.9  ||  b = 25.2

<u>Explanation</u>:

<em>using sohcahtoa method:</em>

\frac{opposite}{hypotenuse} =sin(x)

\frac{27}{c} =sin(47)

c=\frac{27}{sin(47)}

c=36.9

\frac{opposite}{adjacent} = tan(x)

\frac{27}{b} = tan(47)

b = \frac{27}{tan(47)}

b=25.2

angle B = 180° -90° - 47° = 43°

3 0
2 years ago
What is an equation for this line?
Sedbober [7]

Answer:

The equation of the line is y=-x

Step-by-step explanation:

To find the equation for a line, we need to know 2 points.

One of the points is (0,0) because it goes through the origin.  Another point is (5,-5).  We can calculate the slope because we have 2 points using the formula.

m = (y2-y1)/(m2-m1)

m = (-5-0)/(5-0)

m = -5/5

m=-1

The slope is -1

We know the y intercept (where it crosses the y axis) is 0.  Using the slope intercept form of a line

y = mx+b

y =-1x+ 0

y = -x


The equation of the line is y=-x

6 0
3 years ago
Find the distance between the points (7,-6) and (-5,3). Write your answers as a whole number or a fully simplified radical expre
nexus9112 [7]

Answer:

15

Step-by-step explanation:

Let index 1 refer to the first point, while index 2 refers to the second one.

The distance d:

d²=(x2-x1)²+(y2-y1)²=(-5-7)³+(3-(-6))²=

(-12)²+9²=144+81=225=15²

d=15

3 0
3 years ago
Which of the following is the equation for the line perpendicular to the line y=−x+20 that passes through the point (−4, 2)?
coldgirl [10]
I have a feeling it’s a but I’m not that sure good luck might want to wait on other peoples opinions
7 0
3 years ago
X=7 what would match this soulotion
EastWind [94]

Answer:

x = 7

Step-by-step explanation:

7 = 7

It's given

7 0
4 years ago
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