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RideAnS [48]
3 years ago
9

1.6y + y - 4/15 y + 1 1/6y = 2 1/3 Please help!

Mathematics
2 answers:
Yuri [45]3 years ago
8 0

Answer:

y = 2/7 or y = 14/25

Step by Step explanation:

sorry about the last answer

simplify both sides of the equation, then isolate the variable

anyanavicka [17]3 years ago
3 0

Answer:

y=2/3

Step-by-step explanation:

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Cos90degrees cos30 degrees + sec-squared45degrees sin30degrees - cos270degrees sin180degrees
yawa3891 [41]

Step-by-step explanation:

\cos 90 \cos 30 + \sec^2 45 \sin 30 - \cos 270 \sin 180

But we know that

\cos 90 = \cos 270 = \sin 180 = 0

and

\sin 30 = \dfrac{\sqrt{3}}{2} \:\:\text{and}\:\: \sec 45 = \sqrt{2}

so this leaves us with just

\sec^2 45 \sin 30 = (\sqrt{2})^2  \left(\dfrac{\sqrt{3}}{2} \right)= \sqrt{3}

6 0
3 years ago
On a number line whats the distance between -8 and -2 ? ​
Stels [109]

Answer:

as in the number line negative digits occur on the left side if we subtract -2 from -8 we will get our answer that is -6

Step-by-step explanation:

-8-(-2)

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8 0
3 years ago
-40+2n=4n-8n+8 EXPLAIN IN NUMBER FORM AND NO WORDS
marin [14]

Answer:

−40+2n=−4n+8

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2n+4n=−4n+48+4n

6n=48

answer:  n=8

Step-by-step explanation:

8 0
2 years ago
In 2015, the population of the United States was about 320 million people. About 7 out of 10 Americans live in urban areas. How
Kay [80]
224million is the correct answer.
7/10 of 320,000,000 is 224,000,000
7 0
2 years ago
Math Problem please answer the question, (100 points + Brainy)
Verizon [17]
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3 0
3 years ago
Read 2 more answers
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