Which equation shows y+15=3x in standard form? PLZ help, I'm desperate 12 pts!!!
2 answers:
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Answer:
Ginny will cast 2525 spells
Step-by-step explanation:
The ratio of spells Luna casts to spells Ginny casts is:
Luna :4
Ginny :5
4 spells of Luna is equivalent to 5 spells of Ginny
1 spell of Luna is equivalent to 5/4 spells of Ginny
Luna casts 2020 spells
It means Ginny will cast spells
i.e. Ginny will cast 2525 spells
Answer:
x = y = 15
Step-by-step explanation:
Using the sine ratio and the exact value
sin45° = , then
sin45° = =
=
( cross- multiply )
2x = 30 ( divide both sides by 2 )
x = 15
The triangle is isosceles (45- 45- 90) , then 2 legs are congruent, so
y = x = 15