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3 years ago

6 + 16x - 2x -12 This is math again

Mathematics

2 answers:

timurjin [86]3 years ago

6 0

Answer:

2(7x - 3)

Step-by-step explanation:

6 + 16x - 2x - 12 =

= 16x - 2x - (12 - 6)

= 14x - (+6)

= 14x - 6

= 2(7x - 3)

Bogdan [553]3 years ago

5 0

Answer:

14x−6

Step-by-step explanation:

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How many gallons of pure alcohol should be added to 40 gallons of a 20% solution so

Rudik [331]

Answer:

8/3

Step-by-step explanation:

i put equations as this:

x+40 = y

where x is galllons of pure mixture and y is the gallons of the new mixture

the other equation i id was:

x+0.2(40) = 0.25y

x+8 = 0.25y

y = 4x+32

solve using substitution

(x+40) = 4x+32

x = 4x-8

-3x = -8

x = 8/3

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3 years ago

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V125BC [204]

Answer:

Step-by-step explanation:

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2 years ago

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a hotel has a number of meeting rooms,m, available for events. each meeting room has 325 chairs. write an equation to represent

liq [111]

C=325m
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6 0

3 years ago

How many four letter permutations can be formed from the first five letters of the alphabet?

Maru [420]

Answer: 120

<u>Step-by-step explanation:</u>

Permutation means that order matters.

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3 years ago

Suzanne bought 6 paint sets. Each set contains the same number of brushes. She has 18 brushes. Write and solve an equation to de

PSYCHO15rus [73]

Answer:

Step-by-step explanation:

Given that:

The number of paint sets, Suzanne bought= 6

As each set contains the same number of brushes.

Let x be the number of brushes each set contains.

So, the total number of brushes in 6 sets = 6x.

It is given that the total number of brushes she has is 18, which is equals to 6x.

So, the required equation is

$6x=18$

$\Rightarrow x=\frac {18}{6}$

$\Rightarrow x=3.$

Hence, the number of paint brushes each set contains is 3.

4 0

2 years ago