3 years ago

How many different ways can a group of 8 friends line up for a concert?

Mathematics

1 answer:

Sindrei [870]3 years ago

5 0

Answer:

40320... 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

Step-by-step explanation:

The answer for this question is 40320 as you see the following steps above.

Hope this helps.

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Use the substitution method to solve each linear system. 4x - 3y = -13,-2x + y = 4

Contact [7]

Answer:

The solutions to the system of equations are:

$x=\frac{1}{2},\:y=5$

Step-by-step explanation:

Given the system of the equations

$\begin{bmatrix}4x-3y=-13\\ -2x+y=4\end{bmatrix}$

Isolate x for for 4x-3y=-13

$4x-3y=-13$

$4x=-13+3y$

Divide both sides by 4

$x=\frac{-13+3y}{4}$

substitute y=5

$x=\frac{-13+3\cdot \:5}{4}$

$x=\frac{1}{2}$

The solutions to the system of equations are:

$x=\frac{1}{2},\:y=5$

8 0

2 years ago

The vertex is (-8,- 4) and the parabola opens up.<br> The domain of f is?

sveticcg [70]

Domain is the left and right values, which means any parabola opening up or down will have a domain of (-∞, ∞)

7 0

2 years ago

What is an equation of the line that passes through the points (-2, 1) and (-8, 4)

telo118 [61]

Answer:

y= -1/2x

Step-by-step explanation:

y-y1/x-x1=y2-y1/x2-x1

y-1/x+2=-1/2

2y-2= -x-2

2y= -x-2+2

2y=-x

y=-1x/2„

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Lisa is cutting a 14-inch piece of paper into 0.4-inch strips. How many strips of paper will she have when she is finished?

QveST [7]

35 pieces since 14/.4 is 35.

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2 years ago

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Can someone explain me this one

JulsSmile [24]

Well the math you would do is 3346/7. That equals 478. As a fraction in simplest form you could write 478/1

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3 years ago

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