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nataly862011 [7]
3 years ago
5

Need help fast!!! 15 points!!

Mathematics
1 answer:
GrogVix [38]3 years ago
8 0
C. Y = 3/10x + 1/2
....................
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A student stands 20 m away from the foot
Ostrovityanka [42]

Answer:

Height of tree is \approx <em>15 m.</em>

<em></em>

Step-by-step explanation:

Given that student is 20 m away from the foot of tree.

and table is 1.5 m above the ground.

The angle of elevation is: 34°28'

Please refer to the attached image. The given situation can be mapped to a right angled triangle as shown in the image.

AB = CP = 20 m

CA = PB = 1.5 m

\angle C = 34°28' = 34.46°

To find TB = ?

we can use trigonometric function tangent to find TP in right angled \triangle TPC

tan \theta = \dfrac{Perpendicular}{Base}\\tan C= \dfrac{PT}{PC}\\\Rightarrow tan 34.46^\circ = \dfrac{PT}{20}\\\Rightarrow PT = 20 \times 0.686 \\\Rightarrow PT = 13.72\ m

Now, adding PB to TP will give us the height of tree, TB

Now, height of tree TB = TP + PB

TB = 13.72 + 1.5 = 15.22 \approx <em>15 m</em>

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3 years ago
You compare the sizes of two MP3 players. The old model is 34 inch thick. The new model is 25 inch thick. How much thinner is th
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Step-by-step explanation:

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Terence owes $5.00 to his mother and his father. Write the integer problem and determine the total amount he owes his parents. (
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He owes a total sum of 10 dollars.
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2) Select one of your sides.
svlad2 [7]

Answer:

Step-by-step explanation:

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So in a proportion 23.4 over 5.49 equals 1 over o and multiply 5.49•1=23.4o
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