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Anvisha [2.4K]
2 years ago
14

3/5y+5=7 what's the answer to this

Mathematics
1 answer:
sergij07 [2.7K]2 years ago
3 0
The answer is y=\frac{10}{3} Hope this helps
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If y varies directly as x^2 and y=12 when x=2, find y when x=5
Shkiper50 [21]
y=ax^2\\\\y=12\ \ \ and\ \ \ x=2\ \ \ \Rightarrow\ \ \ 12=a\cdot 2^2\ \ \ \Rightarrow\ \ \ a= \frac{4}{12}= \frac{1}{3}  \\\\y=\frac{1}{3} x^2\\\\x=5\ \ \ \Rightarrow\ \ \ y=\frac{1}{3} \cdot5^2=\frac{25}{3} =8\frac{1}{3}
7 0
3 years ago
Tripp and Rico are two dogs. Tripp weighs exactly 35 pounds more than Rico. Together, they weigh exactly 49 pounds. How much doe
babymother [125]
Call the weights of the two dogs t and r.

We know that Tripp weights 35lbs more than Rico, or:
t=r+35

We also know that the total weight of both dogs is 49lbs.:
t+r=49

Now, by substitution:
(r+35)+r=49
2r+35=49
2r+35-35=49-35
2r=14
r=\frac{14}{2}
r=7
Rico weighs 7lbs.

Then:
t=r+35
t=7+35
t=42
Tripp weighs 42lbs.

To check our work:
t+r=49
42+7=49
49=49  CHECK!
5 0
3 years ago
A newspaper van made 8 stops in one neighborhood of apartments. By Stop 4, there had been 12 newspapers delivered.
Masja [62]
There would be 15 newspapers.
3 0
2 years ago
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Laat month, andy collected 432 stamps, which was 4 times the number of stamps alva collected. If alva collected 6 times as many
Anastasy [175]
After Sally had given 1/9 of her stamps to Andy, she had 280 stamps (since they now have equal shares). So 280 was 8/9 of what she started with, making the 1/9 she handed over equal to 280/8, that’s 35. And Andy was “under” by the same amount she was “over” an equal share, that’s 35 under matching her 35 over, which is 70 altogether.

By all means use algebra but you may find you can reason a word problem through in words.
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2 years ago
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Nick's bank account balance was $21. if he writes a check for $30 and his bank charges him $35 for overdrawing his account, find
natulia [17]
It is saying that the Balance was 21 if he wrote a check for 30 and The bank was charging him $35 for overdrawing his account of basically you’re gonna just Add so 21+30+35 is 86
4 0
3 years ago
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