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blondinia [14]
3 years ago
15

Cna anyone help with this one for me? I’ll give 5 stars

Mathematics
2 answers:
Elis [28]3 years ago
5 0

Answer:

D

Step-by-step explanation:

Nastasia [14]3 years ago
3 0
The answer would be C 3d + 8 is less than or equal to 35.

The tank holds no more than 35, so there can be 35 fish in the tank so it can be equal to 35.

there is already 8 fish from the old aquarium and there are 3 new fish per day so the 3 gets the variable
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prisoha [69]

Answer:

d is correct

Step-by-step explanation:

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2 years ago
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10. Jessica had dance class for 3 hours last night, Tiffany had dance class for of time that Jessica had dance class. How long d
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Answer:

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Step-by-step explanation:

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2 years ago
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One antifreeze solution is 20% alcohol. Another antifreeze solution is 12% alcohol. How many liters of each solution should be c
katrin [286]
Use this systems of equations to solve:

x = first antifreeze
y = second antifreeze

\left \{ {{.2x + .12y = .18(15)} \atop {x + y = 15}} \right.

Isolate y.

x + y = 15
Subtract x from both sides.
y = -x + 15

Substitute y into the other equation.

.2x + .12(-x + 15) = .18(15)
Simplify.
.2x - .12x + 1.8 = 2.7
Subtract 1.8 from both sides.
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Divide both sides by .08
x = 11.25

Substitute x in the equation that we isolated y in.

y = -11.25 + 15
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11.25 L of the first antifreeze and 3.75 L of the second.
5 0
2 years ago
Be<br> Solve for<br> 8x +32 = 1/5(25x – 15) - 4x<br> Enter your answer in the box<br> x=
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Answer: x=−5

Step-by-step explanation:

8x+32=5x−3−4x

8x+32=x−3

8x+32−x=−3

7x+32=−3

7x=−3−32

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3 years ago
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