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murzikaleks [220]
3 years ago
13

Can the sine rule relationship in trigonometry be used with non right angled triangle?​

Mathematics
1 answer:
vaieri [72.5K]3 years ago
4 0

Answer:

Yes

Step-by-step explanation:

The sine rule works on all triangles (not just right-angled triangles) where a side and it's opposit angles are known.

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25 + x^2 + 10x = 0<br> solve for x<br> please explain!!
Vera_Pavlovna [14]

Answer: Simply  - 5

Step-by-step explanation: Let's solve your equation step-by-step.

25+x2+10x=0

Step 1: Simplify both sides of the equation.

x2+10x+25=0

Step 2: Factor left side of equation.

(x+5)(x+5)=0

Step 3: Set factors equal to 0.

x+5=0 or x+5=0

x=−5

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3 years ago
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Random sampling. its where you pick or make a smaple at random
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3 years ago
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Asha and Lucy are selling pencils in a school shop.
Akimi4 [234]

Step-by-step explanation:

7x+22=2(5x+2)

7x+22=10x+4 (-7x)

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check if the number is correct

asha= 7*6=42 42+22 is 64

Lucy= 5*6=30 30+2 is 3264/32 is 2

asha= 7*6=42 42+22 is 64Lucy= 5*6=30 30+2 is 3264/32 is 2there fore asha sells twice as many as Lucy

8 0
3 years ago
1/9(8 1/3(21x-51y)1x-108y+2x^2)
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Answer:

569/ 9  x^2−153xy−12y

Step-by-step explanation:

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