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IRISSAK [1]
3 years ago
15

What is the y- intercept of: y=-2x

Mathematics
1 answer:
shusha [124]3 years ago
7 0

Answer:

it is Zero 0

Step-by-step explanation:

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Paul and jose are trying to measure the height of a tree. paul is standing 19m from the foot of the tree and measures the angle
Nina [5.8K]
The firts thig we are going to do is create tow triangles using the angles of elevation of Paul and Jose. Since the problem is not giving us their height we'll assume that the horizontal line of sight of both of them coincide with the base of the tree.
We know that Paul is 19m from the base of the tree and its elevation angle to the top of the tree is 59°. We also know that the elevation angle of Jose and the top of the tree is 43°, but we don't know the distance between Paul of Jose, so lets label that distance as x.
Now we can build a right triangle between Paul and the tree and another one between Jose and the tree as shown in the figure. Lets use cosine to find h in Paul's trianlge:
cos(59)= \frac{19}{h}
h= \frac{19}{cos(59)}
h=36.9
Now we can use the law of sines to find the distance x between Paul and Jose:
\frac{sin(43)}{36.9} = \frac{sin(16)}{x}
x= \frac{36.9sin(16)}{sin(43)}
x=14.9

Now that we know the distance between Paul and Jose, the only thing left is add that distance to the distance from Paul and the base of the tree:
19m+14.9=33.9m

We can conclude that Jose is 33.9m from the base of the tree.

3 0
3 years ago
I need some help; if you don't know the answer, don't answer
ohaa [14]

Answer:

B is the right answer and if you want learn this, than learn algebric expression

7 0
3 years ago
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What is the equation in slope-intercept form of the line that passes through the point (5,0) and is parallel to the line represe
zlopas [31]

Answer:

y=1.2x-6

Step-by-step explanation:

place in the points

0=1.2(5)+b

distrubutive property

0=6+b

subtract 6 on both sides

-6=b

y=1.2x-6

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2 years ago
Please answer quick! (Number the answers)
Oksana_A [137]

Answer:

All three are yes

Step-by-step explanation:

4. yes

5.yes

6.yes

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A circular patio has a diameter of 12 feet. Holly is stringing lights around the edge of the patio. Approximately how many feet
vivado [14]

Answer:

37.68

i took the test hope this helped

4 0
2 years ago
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