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3 years ago

10 points! What is the slope of the given line?

Mathematics

1 answer:

aleksklad [387]3 years ago

8 0

Answer:

-5/2

Step-by-step explanation:

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Five students are competing in a race. In how many different

Dimas [21]

Answer:

120

Step-by-step explanation:

• we need to find the number of the possible orderings

of this five students.

•• which we can simulate to a permutation

of 5 objects.

••• and we know that The number of permutations

of 5 distinct objects is 5!.

5! = 5×4×3×2×1 = 120

there are six permutations of the set {1, 2, 3}, namely (1, 2, 3), (1, 3, 2), (2, 1, 3), (2, 3, 1), (3, 1, 2), and (3, 2, 1). These are all the possible orderings of this three-element set.

The number of permutations of n distinct objects is n factorial, usually written as n!, which means the product of all positive integers less than or equal to n.

6 0

1 year ago

HELP PLS HELP PLS PLS PLS HELP

Vinil7 [7]

9514 1404 393

Answer:

Proportional, y = 3 times x
Not proportional

Step-by-step explanation:

The graph shows a proportional relationship if it is a straight line that goes through the origin (0, 0). The constant of proportionality can be found by looking for the y-value when x = 1.

1) The graph is a straight line that goes through the origin. The relationship is proportional. When x=1, y=3, so ...

y = 3 times x

2) The graph does not go through the origin. The relationship is Not Proportional.

3 0

2 years ago

Please help and explain

Murrr4er [49]

Answer: Option A

$x=\frac{3+i}{2}$ or $x=\frac{3-i}{2}$

Step-by-step explanation:

Use the quadratic formula to find the zeros of the function.

For a function of the form

$ax ^ 2 + bx + c = 0$

The quadratic formula is:

$x=\frac{-b\±\sqrt{b^2-4ac}}{2a}$

In this case the function is:

$2x^2-6x+5=0$

$a=2\\b=-6\\c=5$

Then using the quadratic formula we have that:

$x=\frac{-(-6)\±\sqrt{(-6)^2-4(2)(5)}}{2(2)}$

$x=\frac{6\±\sqrt{36-40}}{4}$

$x=\frac{6\±\sqrt{-4}}{4}$

Remember that $\sqrt{-1}=i$

$x=\frac{6\±\sqrt{4}*\sqrt{-1}}{4}$

$x=\frac{6\±\sqrt{4}i}{4}$

$x=\frac{6\±2i}{4}$

$x=\frac{3\±i}{2}$

$x=\frac{3+i}{2}$ or $x=\frac{3-i}{2}$

3 0

3 years ago

What term does perpendicular lines use

Travka [436]

Answer:

Hello, In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees). The property extends to other related geometric objects. A line is said to be perpendicular to another line if the two lines intersect at a right angle.

Hope this helped!!

6 0

2 years ago

Passes through (2, 3) and has slope of -1/2

maksim [4K]

Answer:

y=-1/2x+4

Step-by-step explanation:

the slope is -1/2x and y intercept is 4

5 0

2 years ago