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lesya [120]
1 year ago
8

Smbody can hp me?……….

Mathematics
1 answer:
TiliK225 [7]1 year ago
6 0

Answer: 20, 140, 240

Step-by-step explanation:

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The density of a fish tank is 0.3 fish over feet cubed. There are 15 fish in the tank. What is the volume of the tank?
ale4655 [162]
Since Density = mass/ volume (d = m / v), and assuming the 15 fish weigh 1 gram each - if weight of each fish isn't given -  (making that a total of 15 grams), 

D = m / v
0.3 = 15 / v 
v = 15 / 0.3 = 50 ft cubed

Hope this answers your question correctly :) 

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5 0
3 years ago
3(2x-1)=5x+3+7x I do t get this cause I’m stupid
DiKsa [7]

Answer:

x = -1

Step-by-step explanation:

Solve for x:

3 (2 x - 1) = 7 x + 5 x + 3

Grouping like terms, 7 x + 5 x + 3 = (5 x + 7 x) + 3:

3 (2 x - 1) = (5 x + 7 x) + 3

5 x + 7 x = 12 x:

3 (2 x - 1) = 12 x + 3

Expand out terms of the left hand side:

6 x - 3 = 12 x + 3

Subtract 12 x from both sides:

(6 x - 12 x) - 3 = (12 x - 12 x) + 3

6 x - 12 x = -6 x:

-6 x - 3 = (12 x - 12 x) + 3

12 x - 12 x = 0:

-6 x - 3 = 3

Add 3 to both sides:

(3 - 3) - 6 x = 3 + 3

3 - 3 = 0:

-6 x = 3 + 3

3 + 3 = 6:

-6 x = 6

Divide both sides of -6 x = 6 by -6:

(-6 x)/(-6) = 6/(-6)

(-6)/(-6) = 1:

x = 6/(-6)

The gcd of 6 and -6 is 6, so 6/(-6) = (6×1)/(6 (-1)) = 6/6×1/(-1) = 1/(-1):

x = 1/(-1)

1/(-1) = -1:

Answer: x = -1

7 0
3 years ago
Complete the sentence.
melamori03 [73]

Please view my other solution I gave you.

:)


But I will still answer this if you see it.

Because 0.8^x is never 0, then the asymptote is 0-10 or -10.

6 0
3 years ago
Read 2 more answers
Solve this problem like how you solve the other problems<br>​
Neko [114]

Answer:

192 centimeters cubed

Step-by-step explanation:

3 x 8 x 4 = 96 for block B

4 x 3 x 8 = 96 for block A

add them together and get 192 cm^3

6 0
3 years ago
HURRY, DUE IN 11 MINUTES!! WILL MARK BRAINLIEST!!
Setler [38]

Answer:

The answer is: (1, -10)

5 0
3 years ago
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