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ioda
3 years ago
13

How do you solve this geometry problem

Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

From the Figure We can Notice that :

Opposite Side - AB = 1

Adjacent Side - OB = \sqrt{3}

We know that :

Tan\theta = \frac{Opposite\:Side}{Adjacent\:Side}

\implies Tan\theta = \frac{1}{\sqrt{3}}

⇒ θ = 30°

We know that :

Sin\theta = \frac{Opposite Side}{Hypotenuse}

⇒ Sin30 = \frac{1}{AO}

⇒ \frac{1}{2} = \frac{1}{AO}

⇒ AO = 2

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Lynna [10]

Answer:

50

Step-by-step explanation:

7 0
3 years ago
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Emily buys a toaster during the sale off for 10% off if ellen pays 36$ what was the original price
LenaWriter [7]

Answer:

100%-10%=90%

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36$+4$=40$

5 0
2 years ago
X + y = -1<br> X - y = 7
enyata [817]
1: Solve for either x or y in one of the equations. So x + y = -1 is y = -x -1
2: substitute the new equation in the opposite equation. So x - (-x - 1) = 7
3: distribute the negative. X + x + 1 = 7
4: combine like terms. 2x + 1 = 7
5: solve for x. Subtract 1 on both sides. 2x = 6
6: divide by 2 to get x by itself. X = 3
7: plug the new value of x into one of the ORIGINAL equations. 3 + y = -1
8: solve for y. Subtract 3 on both sides.
Y = -4
9: the solution is written as (x,y) so the solution would be (3, -4)
4 0
4 years ago
PLEASE PLEASE HELP
noname [10]

Answer:

8.51x10^{-3}cm

Step-by-step explanation:

In order to add or subtract numbers in scientific notation, the powers of ten must have the same exponent.  In this caes the diameter of an average human body cell is a power of -4 and the diameter of a plant cell is a power of -3.  In order to add them, we can move the decimal over for the body cell diameter:

5.1x10^{-4}=0.51x10^{-3}

Add the two values: 0.51x10^{-3}+8x10^{-3}=8.51x10^{-3}cm

7 0
3 years ago
Read 2 more answers
Mrs. Jones asked Janae which perfect square comes between 100 and 144. Janae said that 120 is the perfect square becau
Fantom [35]

Answer:

Its the first option.

Step-by-step explanation:

120 is not a perfect square.

Its close to one though - 121 is a perfect square ( 11 * 11 = 121).

8 0
3 years ago
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