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Paul [167]
2 years ago
7

Find the size of the angle using Sohcahtoa or Pythagoras.

Mathematics
1 answer:
lisov135 [29]2 years ago
6 0

Answer:

x ≈ 38.7°

Step-by-step explanation:

Using the sine ratio in the right triangle

sinx = \frac{opposite}{hypotenuse} = \frac{5}{8} , then

x = sin^{-1} (\frac{5}{8} ) ≈ 38.7° ( to 1 dec. place )

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Answer:

Melissa =13 years

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Daniel =10 years

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Becky gives a third of her share to her mother.

B : D : M : : 12 : 10 : 13

Becky's $28 = $9.60

Becky has left with =$6.40.


Read more on Brainly.in - https://brainly.in/question/295197#readmore

Step-by-step explanation:


7 0
3 years ago
What is the other polynomial send help please
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3 years ago
What is the width of a rectangle with length 14 cm and area 161 cm to the 2nd power?
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3 years ago
Rata-rata markah matematik untuk Amin, azman dan aziz adalah 73. Tanda Azman lebih 35 berbanding Amin manakala aziz dua kali gan
vagabundo [1.1K]

Answer:

The Amin's score in math was 46.

Step-by-step explanation:

The question is:

The average math score for Amin, azman and aziz is 73. Azman marks 35 more than Amin while aziz is twice that of Amun. What is Amin's sign?

Solution:

Let us denote that:

<em>x</em> = Amin's score in math

<em>y</em> = Azman's score in math

<em>z</em> = Aziz's score in math.

The average of <em>x</em>, <em>y</em> and <em>z</em> is, 73.

That is:

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Now it is provided that:

y=x+35...(i)\\z=2x...(ii)

Use the equations (i) and (ii) to determine the value of <em>x</em> as follows:

x+y+z=219\\\\x+x+35+2x=219\\\\4x=184\\\\x=46

Thus, the Amin's score in math was 46.

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3 years ago
Triangle ABC is shown BCD=30 D is a point on side AC such that BD=DA=AB prove that AD =DC
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Answer:

Step-by-step explanation:

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