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kaheart [24]
3 years ago
15

Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75

Mathematics
1 answer:
valina [46]3 years ago
4 0

Answer:

The answer is x=0.97 while y=3.90

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Step-by-step explanation:

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A circle has a radius of 30cm what is the area
Lana71 [14]

r = 30 cm

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3 years ago
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Ray Of Light [21]
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4 0
3 years ago
In triangle ABC, Aat the top of the triangle, B at 90° and C at the third end, angle C = 21°, the hypotenus = 15m,find BC = y th
dsp73

Answer

Step-by-step explanation:

Law of sines: SinB/15 = SinA/BC

B = 90

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BC= (15*SinA)/SinB = (15*sin69)/1 ≈ 14m

7 0
3 years ago
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