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Leya [2.2K]
3 years ago
5

What is the easiest to understand formula for solving 30 60 90 special right triangles?

Mathematics
1 answer:
Marianna [84]3 years ago
7 0

Step-by-step explanation:

30°, 60°, 90° triangle theorem states that:

Lengths of the side opposite to 60° angle is equal to root 3 upon two times of the length of hypotenuse and side opposite to 30° angle is equal to 1 upon two times of the length of hypotenuse.

Mathematically it can be expressed as:

Length \: of \: sides \: opposite \: to \: 60 \degree \: \\  angle \\  =  \frac{ \sqrt{3} }{ {2} }  \times length \: of \: hypotenuse.\\\\Length \: of \: sides \: opposite \: to \: 30 \degree \: \\  angle \\  =  \frac{1}{ {2} }  \times length \: of \: hypotenuse.\\\\

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Help help help help help
dolphi86 [110]

Answer:

x = <u>12/5</u>

Step-by-step explanation:

Since the original is 10 and the second is 6, that means that the scale is 10:6 or 5:3.  It can also be related as %60 of the length.

<u>Step 1:  Make an equation</u>

10/6 = 4/x

<u>Step 2:  Cross Multiply</u>

10x = 24

<u>Step 3:  Divide</u>

10x / 10 = 24 / 10

24/10 = 12/5

x = 2.4

5 0
3 years ago
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A store sells ice cream with assorted toppings. they charge $ 3.00 for ice cream plus 0.50 per ounce of toppings.
aev [14]

Answer:7 ounces

Step-by-step explanation:

If they charge 0.50 cents per ounce then u would take the 50 cents and add that up until it gets to 3.50 and that will give u 7 so the answer is 7 ounces.

8 0
3 years ago
What is 20% of 650g?
melomori [17]

20%*650g=\frac{650g}{5}=130g.

Therefore, 20% of 650g is 130g.


4 0
3 years ago
Can u separate ln (7+x) into ln7+lnx?
poizon [28]
No, you can not separate:
ln ( 7 + x ) ≠ ln 7 + ln x
You can separate just if you have a logarithm of multiplication.
For example:
ln ( 7 · x ) = ln 7 + ln x
7 0
4 years ago
I sthe answer A? IM only half sure??
trasher [3.6K]
You are correct there is no pattern

5 0
3 years ago
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