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allochka39001 [22]
3 years ago
8

Which statements are true about these lines? Check all that apply. Line RS has a slope of 6. Line SW has an undefined slope. Lin

e TV has a slope of 0. Lines RS and TV are parallel. Line SW is perpendicular to line RS, but not to line TV.
Mathematics
2 answers:
Pie3 years ago
8 0

Answer:

B, C, D

Step-by-step explanation:

These are the ones that made the most sense to put.. I hope it helps! Good luck on your quiz!! :)

brilliants [131]3 years ago
3 0
Line SW is perpendicular to line RS, but not to line TV
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Someone smart help me please
wolverine [178]
(-5,2) concave up

Hope this helps :)
6 0
3 years ago
How do the values in Pascal’s triangle connect to the coefficients?
damaskus [11]

Explanation:

Each row in Pascal's triangle is a listing of the values of nCk = n!/(k!(n-k)!) for some fixed n and k in the range 0 to n. nCk is <em>the number of combinations of n things taken k at a time</em>.

If you consider what happens when you multiply out the product (a +b)^n, you can see where the coefficients nCk come from. For example, consider the cube ...

  (a +b)^3 = (a +b)(a +b)(a +b)

The highest-degree "a" term will be a^3, the result of multiplying together the first terms of each of the binomials.

The term a^b will have a coefficient that reflects the sum of all the ways you can get a^b by multiplying different combinations of the terms. Here they are ...

  • (a +_)(a +_)(_ +b) = a·a·b = a^2b
  • (a +_)(_ +b)(a +_) = a·b·a = a^2b
  • (_ +b)(a +_)(a +_) = b·a·a = a^2b

Adding these three products together gives 3a^2b, the second term of the expansion.

For this cubic, the third term of the expansion is the sum of the ways you can get ab^2. It is essentially what is shown above, but with "a" and "b" swapped. Hence, there are 3 combinations, and the total is 3ab^2.

Of course, there is only one way to get b^3.

So the expansion of the cube (a+b)^3 is ...

  (a +b)^3 = a^3 + 3a^2b +3ab^2 +b^3 . . . . . with coefficients 1, 3, 3, 1 matching the 4th row of Pascal's triangle.

__

In short, the values in Pascal's triangle are the values of the number of combinations of n things taken k at a time. The coefficients of a binomial expansion are also the number of combinations of n things taken k at a time. Each term of the expansion of (a+b)^n is of the form (nCk)·a^(n-k)·b^k for k =0 to n.

6 0
3 years ago
What is the simplest form of 54/54
krek1111 [17]
1 is the simplest form since the line means division. 54 divided by 54 is 1.
4 0
3 years ago
Read 2 more answers
In order to help decide when and where to advertise, an electronics repair company decided to pull invoices and tally what types
Cerrena [4.2K]

Answer:

Products Repaired                    Frequency

DVD Player                               7

TV                                             3

Radio                                         3

MP3 Player                                5

Blu-ray Player                             7

                                                  Total = 25

Step-by-step explanation:

Frequency distribution table represent the information of a data in a tabular form telling us about the items present in the sample and the number of times it occur.

Each item was picked from the list and written under 'Products repaired' then the number of times each item appeared is the frequency.

5 0
3 years ago
Solve the following quadratic equation. (x+12)^2=1 A. x = 11 and x = 13 B. x = -11 and x = -13 C. x = -11 and x = 13 D. x = 11 a
sveticcg [70]

Answer:

b

Step-by-step explanation:

(x+12)^2=1

or

(x+12)= +or - 1

when

x+12=1

x=1-12 =-11

when

x+12=-1

x=-1-12 =-13

then

x=-11 and x= -13

7 0
3 years ago
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