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2 years ago

Help please thank you

Mathematics

2 answers:

DiKsa [7]2 years ago

6 0

Answer:

12 gallons

Step-by-step explanation:

vovangra [49]2 years ago

3 0

Put one unit at top and other unit bottom. X for unknown
5 gallon / 20 hours = x gallons / 48 hours

Cross multiply

20x = 5*48

20x = 240

X= 12

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-2x + y = 6 <br> -2x + y = -1<br> Plz help with this problem<br> Elimination

vladimir1956 [14]

The answer is no solution

Step-by-step explanation:

The equation is $-2x+y=6$ and $-2x+y=-1$

Subtracting these two equations, we get,

$-2x+y=6\\-2x+y=-1\\-------\\0=7$

Thus, $0=7$ is not possible.

Hence, the system of equations have no solutions.

5 0

4 years ago

Help clear the fractions I need more help

marishachu [46]

Answer:

x = $\frac{43}{6}$

Step-by-step explanation:

Given

$\frac{3}{4}$ x - 5 = $\frac{3}{8}$

Multiply through by 8 ( the LCM of 4 and 8 ) to clear the fractions

6x - 40 = 3 ( add 40 to both sides )

6x = 43 ( divide both sides by 6 )

x = $\frac{43}{6}$

3 0

3 years ago

Select the correct answer

jeka57 [31]

OB would be correct

6 0

4 years ago

Pikachu claims that you can use the method of undetermined coefficients fo solve the following. y" - y' -12y = g(t) where g(t) a

Tom [10]

Pikachu is right.

Undetermined Coefficients (that we learn here) only work when f(x) is a polynomial, exponential, sine, cosine, or a linear combination of those.

And,

As we can see that the equation given is a Polynomial,

So, Pikachu is right.

Learn more about Polynomial:

https://brainly.in/question/3793499

#SPJ4

6 0

2 years ago

Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following

vivado [14]

Answer: (-0.4, 6.8)

The graph is attached

Step-by-step explanation:

We can find the axis of symmetry using the formula x = -b/2a

x = - -4/2(-5)

x = 4/-10

x = 0.04

Substitute for x and calculate y

y = $\left(0.4^{2}\right)\left(-5\right)-4\left(-0.4\right)\ +6$

y = 6.8

3 0

3 years ago