You want to invite 48

Mathematics

1 answer:

mafiozo [28]2 years ago

7 0

Answer:

4 packs of invitations and 2 packs of napkins.

Step-by-step explanation:

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DiKsa [7]

Length = 4w + 2

A = length x width
= (4w + 2) . w
= 4w^2 + 2w ft square

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2 years ago

Calculate the value of (-18) (-3)

BARSIC [14]

The answer to this is 54. Hope this helps

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2 years ago

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I am very stuck with this

Bingel [31]

Answer:

see explanation

Step-by-step explanation:

To multiply the vector by a scalar, multiply each of the elements by the scalar.

To add 3 vectors add the corresponding elements of each vector

2a + 3b + 4c

= 2 $\left[\begin{array}{ccc}2\\3\\\end{array}\right]$ + 3 $\left[\begin{array}{ccc}-4\\1\\\end{array}\right]$ + 4 $\left[\begin{array}{ccc}3\\2\\\end{array}\right]$

= $\left[\begin{array}{ccc}4\\6\\\end{array}\right]$ + $\left[\begin{array}{ccc}-12\\3\\\end{array}\right]$ + $\left[\begin{array}{ccc}12\\8\\\end{array}\right]$