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riadik2000 [5.3K]
2 years ago
10

Jada walks up to a tank of water that can hold up to 15 gallons. When it is active, a drain empties from the tank at a constant

rate. When Jada first sees the tank, it contains 12 gallons of water. Three minutes later, the tank contains 6 gallons of water.
At what rate is the amount of water in the tank changing. Use a signed number. (positive or negative number)

gallons per minute

How many more minutes will it take for the tank to drain completely?

minutes

How many minutes before Jada arrived was the water tank completely full?

minutes
Mathematics
1 answer:
zloy xaker [14]2 years ago
8 0

Answer:

3 minutes 6 gallons of water is gone so therefor it would take 6 complete minutes but 3 more minutes

Step-by-step explanation:

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You cut a sheet of paper along its diagonal, as shown. What is the length of the diagonal? Round your answer to the nearest tent
Varvara68 [4.7K]

Answer:

14.4

Step-by-step explanation:

Use the Pythagorean Theorem: a^2 + b^2 = c^2

5 0
3 years ago
If you are reading this please help!!!!
Soloha48 [4]

Given:

1.  -3 x^{2}\left(4 x^{3}-7\right)\\$2. $(6 x-5)(2 x+3)$\\3. $(3 x-1)\left(x^{2}+5 x-2\right)$

To find:

The product of the polynomials.

Solution:

1. -3 x^{2}\left(4 x^{3}-7\right) =-3 x^{2}(4 x^{3}) -3 x^{2}(-7)

Multiply the numerical coefficient and add the powers of x.

                          =-12 x^{5}+21 x^{2}

2. (6 x-5)(2 x+3)=6 x(2 x+3)-5(2x+3)

Multiply each term of first polynomial with each term of 2nd polynomial.

Multiply the numerical coefficient and add the powers of x.

                              =12 x^2+18x-10 x-15

                              =12 x^2+8x-15

3. (3 x-1)\left(x^{2}+5 x-2\right)=3 x(x^{2}+5 x-2)-1(x^{2}+5 x-2)

Multiply each term of first polynomial with each term of 2nd polynomial.

Multiply the numerical coefficient and add the powers of x.

                                      =3x^{3}+15 x^2-6x-x^{2}-5 x+2

Add or subtract like terms together.

                                      =3x^{3}+14 x^2-11x+2

The answer for multiplying polynomials:

1. -12 x^{5}+21 x^{2}

2. \  12 x^2+8x-15

3. \ 3x^{3}+14 x^2-11x+2

3 0
3 years ago
If f(x) = 1-x^2+x^3, then f(-1)=
Yuri [45]

Answer: -1

Step-by-step explanation:

1-(-1^2)+(-1^3) = 1-1+(-1)= -1

7 0
2 years ago
the ratio of red cars to blue cars in a parking lot was 5 : 3. if there were 40 cars, how much blue cars were there​
maria [59]

Answer: 24

Step-by-step explanation:

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=54x2y%20-%2012x2y2" id="TexFormula1" title="54x2y - 12x2y2" alt="54x2y - 12x2y2" align="absmid
Free_Kalibri [48]

Answer:

6x²y(9 - 2y)

Step-by-step explanation:

Step 1: Factor out GCF

6(9x²y - 2x²y²)

Step 2: Factor out <em>x²</em>

6x²(9y - 2y²)

Step 3: Factor out <em>y</em>

6x²y(9 - 2y)

And we have our factored answer.

7 0
3 years ago
Read 2 more answers
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