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ICE Princess25 [194]
3 years ago
13

Find c. Round to the nearest tenth: 2 cm 15° 105

Mathematics
2 answers:
Anit [1.1K]3 years ago
4 0

Answer:

0.5cm

Step-by-step explanation:

Using the sine rule

baherus [9]3 years ago
4 0

Answer:

c = 0.5 cm

Step-by-step explanation:

Using the Sine rule in the triangle, then

\frac{c}{sin15} = \frac{2}{sin105} ( cross- multiply )

c × sin105° = 2 × sin15° ( divide both sides by sin105°

c = \frac{2sin15}{sin105} ≈ 0.5 cm ( to the nearest tenth )

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Answer:

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Solve this system of equations using the substitution method<br>y=x+7<br>-2x-11=y​
ryzh [129]

Answer:

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Step-by-step explanation:

Let's solve your system by substitution.

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Step: Solve y=x+7 for y:

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Step: Substitute x+7 for y in −2x−11=y:

−2x−11=y

−2x−11=x+7

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−3x−11=7

−3x−11+11=7+11(Add 11 to both sides)

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Step: Substitute−6 for x in y=x+7:

y=x+7

y=−6+7

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