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madreJ [45]
3 years ago
15

PLEASE HELP I need help on these questions

Mathematics
1 answer:
lakkis [162]3 years ago
5 0

Everything you're posting involves right triangles, and
each one is solved with the Pythagorean formula:

              (one leg)² + (other leg)² = (hypotenuse)²

For the tree . . .
Do you see the right triangle ?
They even marked a little box at the base of the stump
to remind you that there's a right angle there.

-- The stump is 3 meters high.
-- The broken part of the tree is on the ground
    13 meters away from the stump.
--  The broken part of the tree is the hypotenuse.
       (3)² + (13)² = (broken part)²

-- Before it fell over, the broken part stood on top of the 3-meter stump.

==========================================

#4).  Your coordinates for point 'G' are correct, but
the coordinates of point 'F' should be (-1, 6), not (1,6).
If you know how to calculate the distance between 2 points,
then that little correction might fix the problem you're having.

The distance between two points is

        Square root of [ (x₁-x₂)² + (y₁-y₂)² ]
or
       Square root of [ (difference of the x's)² + (difference of the y's)² ] .

Without even using this formula, you could just look at
the graph, and do something like this:

-- From 'F', draw a line 2 units straight down.

-- From 'G', draw a line 4 units to the left.

-- Connect 'F' and 'G' .

Now you have a little right triangle.
The legs are 2 units and 4 units.
The hypotenuse is the distance between 'F' and 'G'.

   (2)² + (4)² = (that distance)²
       
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What is the value of x? Enter your answer in the box.
Radda [10]

Answer:

x=47

Step-by-step explanation:

We can use the triangle bisector theorem

TK             TV

----------- = -----------

YK               YV

Substituting what we know

87.5            77

----------- = -----------

x-22               22

Using cross products

87.5 * 22 = 77 *(x-22)

Distribute

1925  =77x - 1694

Add 1694 to each side

1925 + 1694  =77x - 1694+1694

3619 = 77x

Divide by 77

3619/77 = 77x/77

47=x

8 0
3 years ago
How does the y-intercept appear in these three representations: table,equation,and graph?
devlian [24]
In a table it's  EXAMPLE: Cars/Drivers the cars is x and the drivers is y(y-intercept). In an equation, EXAMPLE using y=mx+b the b is the y-int., and in a graph it is (x,y) the y being the y-int.
6 0
3 years ago
Read 2 more answers
The given term is 6n-38,<br> can u find the first four terms in the sequence
Hunter-Best [27]

Answer:

- 32, - 26, - 20, - 14

Step-by-step explanation:

To find the first 4 terms , substitute n = 1, 2, 3, 4 into the rule

a₁ = 6(1) - 38 = 6 - 38 = - 32

a₂ = 6(2) - 38 = 12 - 38 = - 26

a₃ = 6(3) - 38 = 18 - 38 = - 20

a₄ = 6(4) - 38 = 24 - 38 = - 14

3 0
2 years ago
What is cos 45°?<br><br>A. 1<br>B. 1/sqrt of 2
Damm [24]
Cos 45 is option B! :)
8 0
3 years ago
PLEASE HELP!!!<br> Find the common difference for the arithmetic sequence. -55, -50, -45, -40.....
Fed [463]

Answer:

5

Step-by-step explanation:

Just grap any two consecutive terms in the sequence. lets say -55 and -50

-50-(-55) = 5

you can check this by picking two other terms

7 0
2 years ago
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