Please help me I'm failing and I'm so confused!!!!!!!
2 answers:
Answer:
<u><em>x=26</em></u>
<u><em>y=9</em></u>
Step-by-step explanation:
(5x-17)+(3x-11)=180
8x-28=180
8x=208
<u><em>x=26</em></u>
(2y+5)+90[the right angle]+(3x-11)=180
2y+95+3(26)-11=180
2y+84+78=180
2y+162=180
2y=18
<u><em>y=9</em></u>
Answer:
y=9
x=26
Step-by-step explanation:
5x-17+3x-11=180
8x-28=180
8x=208
x=26
5(26)-17
130-17
113
2y+5+90=113
2y+95=113
2y=18
y=9
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Answer:
Step-by-step explanation:
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- Time = 188 days
- Half-life = 47 days
188 days / 47 days = 4 periods
<u>Mercury left after 188 days:</u>
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Answer:
x =−8
Step-by-step explanation:
Y= 21 so HQE = 42 and AQG= 21
