3 years ago

Add [ -6 -2 2] + [-3 2 1]

Mathematics

2 answers:

Troyanec [42]3 years ago

8 0

-6 (negative six) is the answer

creativ13 [48]3 years ago

5 0

Answer:

The anwer is -6

In words: (Negative Six)

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Sami has 89 video games. He keeps 14 for himself and distributes the remaining video games to each

Natasha2012 [34]

Answer:

89=14-5x

Step by step

Because 14 is how many he keeps and x5 is how many he gives to his cousins in total

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3 years ago

What is the value of a 3 - b 2 for a = 3 and b = ?

stellarik [79]

Answer:

a^3 - b^2 for a = 3 and b = 1/2

3^3 - (1/2)^2

= 27 - 1/4

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Step-by-step explanation:

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3 years ago

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What is 20% of 900 ?

dimulka [17.4K]

Answer:

180

Step-by-step explanation:

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3 years ago

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Helppp can someone solve this please

Norma-Jean [14]

Answer:

$\displaystyle x=-15$

Step-by-step explanation:

Solution Of A System Of Equations

A system of linear equations is given as

$\displaystyle \left\{\begin{matrix}ax+by=c\\ dx+ey=f\end{matrix}\right.$

There are many methods to solve them. We will use the method of reduction

The given system is

$\displaystyle \left\{\begin{matrix}2x+3y=45\\ x+y=10\end{matrix}\right.$

Multiplying the second equation by -3

$\displaystyle \left\{\begin{matrix}2x+3y=45\\ -3x-3y=-30\end{matrix}\right.$

Adding the resulting equations

$\displaystyle -x=15$

$\displaystyle x=-15$

5 0

3 years ago