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babymother [125]
3 years ago
15

Combine like terms and simplify the expression. 2 (x+ 2Y - 6)

Mathematics
2 answers:
Simora [160]3 years ago
7 0

Step-by-step explanation:

2(x+2y-6)

2x+4y-12

Hope it helps you

Sloan [31]3 years ago
6 0

Answer:

2x+4y-12

Step-by-step explanation:

2x+4y-12

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thomas argues that rational 27 divided by rational 3 is rational. mateo argues that the quotient between rational 27 and rationa
vitfil [10]

Answer:

Rational

Step-by-step explanation:

A number that cannot be expressed that way is irrational. For example, one third in decimal form is 0.33333333333333 (the threes go on forever). However, one third can be express as 1 divided by 3, and since 1 and 3 are both integers, one third is a rational number.

8 0
4 years ago
Find the values of the variables. [Start 2 By 3 Matrix 1st Row 1st Column a plus 7 2nd Column 2 z plus 1 3rd Column 3 m 2nd Row
goldfiish [28.3K]

Answer:

a=2, z= 4.75, m=4, k=3

Step-by-step explanation:

\begin{equation*} \begin{pmatrix}a+7 & 2z+1 & 3m \\6k & 5 & 1\end{pmatrix}  + \begin{pmatrix}12a & 6z & 5m \\7k & 4 & 2\end{pmatrix}   =  \begin{pmatrix}33 & 39 & 32 \\39 & 9 & 3\end{pmatrix} \end{equation*}

In Matrix Addition, each element in corresponding position is added.

In Matrix Equality, elements in the same position are equal.

Applying these two principles

a+7+12a=33

13a=33-7

13a=26

a=2

2z+1+6z=39

8z=39-1

8z=38

z= 4.75

3m+5m=32

8m=32

m=4

6k+7k=39

13k=39

k=3

Therefore:

a=2, z= 4.75, m=4, k=3

5 0
3 years ago
(2x^4 - 6x^2+8) + (-x^4+ 2x^2-12)
Neko [114]
(2x^4 - 6x^2+8) + (-x^4+ 2x^2-12)
=2x^4-6x^2-x^4+2x^2-12
=x^4-4x^2-12

Just watch your signs when opening up the brackets and then collect like terms.
3 0
4 years ago
Euclidean distance can be used to calculate the dissimilarity between two observations. Let u = (25, $350) correspond to a 25-ye
Travka [436]

Answer:

Option D

75.39

Step-by-step explanation:

When provided with the co-ordinates (x, y) and(a, b) then the distance between them is given by  \sqrt {(x-a)^{2}+(y-b)^{2}}

Since  u = (25, $350) and v = (53, $420) then the Euclidean distance will be

\sqrt {(53-25)^{2}+(350-420)^{2}}=75.3923073\approx 75.39

8 0
3 years ago
Jack's train arrived at the station at 8:30 in the evening. The train ride was 2 hours and 10 minutes.
Taya2010 [7]

Answer:

6:20 PM

Step-by-step explanation:

They got there at 8:30 PM, and 2 hours and 10 minutes prior would have been 6:20 PM.

6 0
3 years ago
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