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slamgirl [31]
3 years ago
14

Help me its due today

Mathematics
2 answers:
Ilya [14]3 years ago
8 0

Answer:

$14.85

Step-by-step explanation:

svlad2 [7]3 years ago
5 0

Answer:

14.85

Step-by-step explanation:

15% of $99

15% = 0.15

"Of" is another way of saying multiply

So...

0.15 x 99

14.85

Victoria will pay $14.85 as a 15% tip of 99 dollars.

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from the top of a tree the angle of depression of a rock on the ground is 49 degrees. If the tree is 18.5 m tall, how far is the
Rashid [163]

Answer:

Step-by-step explanation:

If you were to sit in the very top of said tree and look directly straight, your line of vision would be parallel to the ground. The angle of depression is in between your line of vision and the rock. When you look down at the rock, your line of vision to the rock is a transversal between the 2 parallel lines. With this being the case, the angle of depression is alternate interior with the angle made on the ground from the rock to the top of the tree. See the illustration I attached below.

We are looking for the distance on the ground between the tree and the rock, which we will call x. The side opposite the reference angle is the height of the tree and the side adjacent to the reference angle is x. Side opposite over side adjacent is the tangent ratio. Therefore,

tan(49)=\frac{18.5}{x} and

x=\frac{18.5}{tan(49)} and on your calculator in degree mode, you will find that

x = 16.08 m

Download docx
4 0
3 years ago
The measure of two supplementary angles are in the ratio 4 5 find the degree measures of the angles
Katen [24]
Supplementary angles add to 180
4+5=9

180/9=20

4*20=80
5*20=100
the angles are 80 degrees and 100 degrees
8 0
3 years ago
How do you write 8 million, 6 ten-thousan, 3 hundred ,9ones?
erica [24]

8,610,309 should be it

3 0
3 years ago
Apparently what I chose was incorrect. Which ones are correct?
ch4aika [34]

Step-by-step explanation:

numbers one two and three are correct

4 0
3 years ago
Find the volume of the cylinder
N76 [4]

Answer: wouldn't be 1608.5? let me know if im wrong.

V = πr^2 h= π · 8^2 · 8 ≈ 1608.49544

7 0
3 years ago
Read 2 more answers
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