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Rudiy27
3 years ago
14

What is the square root of r64?

Mathematics
2 answers:
motikmotik3 years ago
7 0

Answer:

The answer is B (r8)

Step-by-step explanation:

IceJOKER [234]3 years ago
4 0

Answer:8

Step-by-step explanation:

Simplify the radical.

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Pls solve part b) iii thanks
Viktor [21]

The bearing of the tree from Q is 296.565°

<h3>How to determine the height of the tree?</h3>

The figure that illustrates the bearing and the distance is added as an attachment

The given parameters are:

Base of the tree, b = 50 meters

Angle (x) = 32 degrees

Calculate the height (h) of the tree using:

tan(x) = height/base

So, we have:

tan(32°) = h/50

Make h the subject

h= 50 × tan(32°)

Evaluate

h = 31.24

Hence, the height of the tree is 31.24 meters

<h3>How to determine the distance between Q and the base of the tree?</h3>

The distance (d) between Q and the base of the tree

This is calculated using the following Pythagoras theorem

d = √(100² + 50²)

Evaluate

d = 111.80

Hence, the distance between Q and the base of the tree is 111.80 meters

<h3>How to determine the angle of elevation?</h3>

The angle of elevation (x) using the following tangent trigonometric ratio

tan(x) = h/d

This gives

tan(x) = 31.24/111.80

Evaluate the quotient

tan(x) = 0.2794

Take the arc tan of both sides

x = 15.61

<h3>The bearing of the tree from Q </h3>

This is calculated using:

Angle of bearing = 270 + arctan(50/100)

Evaluate the arc tan

Angle of bearing = 270 + 26.565

Evaluate the sum

Angle of bearing = 296.565

Hence, the bearing of the tree from Q is 296.565 degrees

Read more about bearings at:

brainly.com/question/24142612

#SPJ1

4 0
2 years ago
What is the area of the triangle in the diagram?
amm1812

Answer:

I think the answer is B. Let me know if im right

Step-by-step explanation:

l*w*1/2 is the same as 1/2*y*(x2-x1)

7 0
3 years ago
Read 2 more answers
Need help I’m really dumb
elena-s [515]

Answer:

$ 44,628

Step-by-step explanation:

Total Interest

$ 32,628

4 0
3 years ago
Read 2 more answers
A meterstick standing vertically casts a shadow 1.5 meters long on the ground. At the same time, a nearby tree casts a shadow 9
Furkat [3]

Answer:

13.5 meters

Step-by-step explanation:

1/1.5 = 9/?\\\\ 1/1.5 = 9/ 13.5 =

5 0
3 years ago
Find the slope each line.<br> 5)
Stolb23 [73]

Answer:

y=-3/4x + 2

Step-by-step explanation:

Since you already picked up the 2 points in the line, all we have to do is count the number of squares for the rise/run

To get the rise, you go down the first point by -3 (since you are moving down its negative 3) then for the run, you go right by 4 (Since you are moving right you get positive 4)

rise = -3

run = +4

y=mx+b

y = -3/4x + b

Now to find the y intercept, which is "b" in the equation above, you just look at the graph and find out where the y intercept is, in this case, I'd say its about 2.

y = -3/4x + 2

6 0
3 years ago
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