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Nezavi [6.7K]
3 years ago
15

Please it's for tomorrow!

Mathematics
1 answer:
Sindrei [870]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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Please help me on this problem !
Rashid [163]

Answer:

x = 5 , y = 5\sqrt{3}

Step-by-step explanation:

Using the sine and cosine ratios in the right triangle and exact values.

sin30° = \frac{1}{2} , cos30° = \frac{\sqrt{3} }{2} , then

sin30°= \frac{opposite}{hypotenuse} = \frac{x}{10} = \frac{1}{2} ( cross- multiply )

2x = 10 ( divide both sides by 2 )

x = 5

and

cos30° = \frac{adjacent}{hypotenuse} = \frac{y}{10} = \frac{\sqrt{3} }{2} ( cross- multiply )

2y = 10\sqrt{3} ( divide both sides by 2 )

y = 5\sqrt{3}

8 0
2 years ago
2. What are the coordinates of point C?
KiRa [710]

Answer:

(3, -5)

Step-by-step explanation:

Can I please have brainliest?

4 0
3 years ago
Read 2 more answers
To the Pythagorean Theorem
Aloiza [94]

Answer:

x = 29

Step-by-step explanation:

c^{2} = a^{2} + b^{2}

c^{2} = 20^{2} + 21^{2}

c^{2} = 400 + 441

c^{2} = 841

\sqrt{c^2} = \sqrt{841}

c = 29

4 0
2 years ago
How do u specifically find out if triangles are congruent is SAS?
VikaD [51]
You start by sucking a D.I.C.K 
5 0
2 years ago
What is the rule for finding the coordinates of an image reflected over the line y=-x
joja [24]
You can find the coordinates of any graph by using a coordinate table, which looks as so in the chart provided below.

What you do is you, put in the letter x and then put what y is equal to in the second box. You plug in any number for x and you solve in order to find the y coordinate. Once you do, for example for plugging in -1 into x you get 1. So your coordinate would be (-1,1).

8 0
3 years ago
Read 2 more answers
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