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4 years ago

Solve for x. 1 /3 (6x − 9) = −33

2 answers:

8 0

Explanation:

1 / 3 (6x - 9) = -33

1 / 3 (6x) - 1 / 3 (9) = -33

1 / 3 (6x) = 2x

1 / 3 (9) = 3

2x - 3 = -33

2x = -30

x = -15

Answer: x = -15

brilliants [131]4 years ago

6 0

Answer:

X = -15

Step-by-step explanation:

1/3 (6x-9) = -33 you divide both sides by 1/3!!

1/3 1/3

6x-9 = -99 1/3 cancels out on the left

+9 +9 now move numbers to one side to get x by its self

6x = -90

6 6 divide to get x by itself

x = -15 answer!!

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How many terms are in the expression 6w- 3x+9y- 8z+ 12

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Answer:

Step-by-step explanation:

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A term is a single mathematical expression. It may be a single number (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted.

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2 years ago

If there are approximately 1.8 million cars in Vancouver and if each car travels an average of 17,500 kilometres in a year, how

Goryan [66]

Rates are used to measure a quantity over another.

The 1.8 million cars use $1.85 \times 10^{10}$ liters each year

Given

$Cars = 1.8\ million$

$d = 17500km$ --- distance

$r = 40miles/gallon$

First, we calculate the number (n) of gallons used by each car

$r = \frac{d}{n}$

Solve for n

$n = \frac{d}{r}$

So, we have:

$n = \frac{17500km}{40miles/gallon}$

$n = \frac{17500km}{40miles}gallon$

Convert miles to kilometers

$n = \frac{17500km}{40km \times 1.60934}gallon$

$n = \frac{17500km}{64.3738km}gallon$

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The number of gallons (N), used by all the cars is:

$N = n \times cars$

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Convert to liters

$N = 489330000 \times 3.78541L$

$N = 1852314675.3L$

In scientific notation to 2 decimal places, we have:

$N = 1.85 \times 10^{10}L$

Hence, the number of liters used is $1.85 \times 10^{10}$

Read more about distance and rates at:

brainly.com/question/24659604

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3 years ago

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4 years ago

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