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Hitman42 [59]
3 years ago
12

Write a polynomial function with given zeros and a point

Mathematics
1 answer:
forsale [732]3 years ago
4 0
2x(-2x)=0
4x(3x)=12x2
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A pair of pants with a marked tag of $35.00 has a discount of 20%. How much is the discount?
melisa1 [442]
$35.00 x .20 = $7

So the discount would be $7 off of $35, for a final sale price of $28
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Math 7 Grade 7
sdas [7]
A and D are Experimental
B and C are Theoretical

Experimental has a specific number of trials like the 11 flips or the classroom of students
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3 years ago
Write the equation of the line that passes through the given point and is perpendicular to the given line.
Semmy [17]

Answer:

the picture is blury

Step-by-step explanation:

3 0
3 years ago
(1 point) A fish tank initially contains 15 liters of pure water. Brine of constant, but unknown, concentration of salt is flowi
Drupady [299]

Answer:

a. \dfrac{dx}{dt} = 6\frac{2}{3} \cdot c

b. x(t) = 6\frac{2}{3} \cdot c \cdot t

c. c  = \dfrac{3}{8}  \ g/L

Step-by-step explanation:

a. The volume of water initially in the fish tank = 15 liters

The volume of brine added per minute = 5 liters per minute

The rate at which the mixture is drained = 5 liters per minute

The amount of salt in the fish tank after t minutes = x

Where the volume of water with x grams of salt = 15 liters

dx =  (5·c - 5·c/3)×dt = 20/3·c = 6\frac{2}{3} \cdot c \cdot dt

\dfrac{dx}{dt} = 6\frac{2}{3} \cdot c

b. The amount of salt, x after t minutes is given by the relation

\dfrac{dx}{dt} = 6\frac{2}{3} \cdot c

dx = 6\frac{2}{3} \cdot c \cdot dt

x(t) = \int\limits \, dx  = \int\limits \left ( 6\frac{2}{3} \cdot c \right) \cdot dt

x(t) = 6\frac{2}{3} \cdot c \cdot t

c. Given that in 10 minutes, the amount of salt in the tank = 25 grams, and the volume is 15 liters, we have;

x(10) = 25 \ grams(15 \ in \ liters) = 6\frac{2}{3} \times c \times 10

6\frac{2}{3} \times c  =\dfrac{25 \ grams }{10}

c  =\dfrac{25 \ g/L }{10 \times 6\frac{2}{3} }  = \dfrac{25 \ g/L}{10 \times \dfrac{20}{3} } =\dfrac{3}{200} \times 25 \ g/L= \dfrac{75}{200}  \ g/L = \dfrac{3}{8}  \ g/L

c  = \dfrac{3}{8}  \ g/L

4 0
3 years ago
Lins goal is to run 5 miles She ran 1/2 mile what fraction of her goal is t hat?​
cluponka [151]

Answer:

1/10 or 0.1 or 10%

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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