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2 answers:
Answer:
Step-by-step explanation:
Hello There!
First things first, we need to find the value of x
If you didn't know the measures of supplementary angles add up to equal 180 so we can use this equation to solve for x
180 = 2x + 3x - 5
step 1 combine like terms
2x + 3x = 5x
now we have
180 = 5x - 5 step 2 add 5 to each side
-5 + 5 cancels out
180 + 5 = 185
now we have 185 = 5x
step 3 divide each side by 5
5x/5=x
185/5=37
we're left with x = 37
Now we want to plug in 37 into x for angle A
angle a = 2(37)
2*37=74
so we can conclude that angle A = 74
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Answer:
In Grade 9, 20% of students liked classical music.
Step-by-step explanation:
Your table was hard to decipher, so I have recreated it here.
(a) In Grade 9, 53 students liked pop music.
FALSE. 53 % of the students liked pop music. We don't know how many students there were.
(b) In Grade 8, 60% of students liked heavy metal.
FALSE. 40 % of students liked heavy metal.
(c) In Grade 8, 10 students liked classical music.
FALSE. We don't know how many students there were.
(d) In Grade 9, 20% of students liked classical music.
TRUE. 0.20 means 20/100 or 20 %.
➡ He must drive 20.8 miles now.