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3 years ago

3(x-2) write in a word

Mathematics

2 answers:

professor190 [17]3 years ago

6 0

Answer:

three times x minus two

Step-by-step explanation:

lina2011 [118]3 years ago

3 0

Answer:

3x-6

Step-by-step explanation:

Thats the answer. .

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If y varies directly as x and x=2 when y=−4, find y when x=−6.

kakasveta [241]

Answer:

Equation: x × -2 = y

Solution: y = 12

Step-by-step explanation:

if (x = 2) is (y = -4) then (x = 1) is (y = -2) so if (x = -6) is (y = 12) if we follow the equation [x × -2 = y] which was found using the first set of variables and dividing each by 2.

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3 years ago

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stiv31 [10]

Solution is x=0 x=-8

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4 years ago

Find the sum of the first n terms.

Sunny_sXe [5.5K]

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3 years ago

Pretty please help

beks73 [17]

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3 years ago

Gabriella drives her car 320 miles and averages a certain speed. If the average speed has been 6 miles less she could have trave

arsen [322]

Answer:

Her average speed is 48 miles per hour.

Step-by-step explanation:

We solve this question using a system of equations.

The speed equation is:

$s = \frac{d}{t}$

In which s is the speed, d is the distance, and t is the time.

Gabriella drives her car 320 miles and averages a certain speed.

So $d = 320$

Then

$s = \frac{320}{t}$

If the average speed has been 6 miles less she could have traveled only 280 miles in the same length of time.

So, which s - 6, d = 280.

$s - 6 = \frac{280}{t}$

From the first equation:

$s = \frac{320}{t}$

$st = 320$

$t = \frac{320}{s}$

Replacing:

$s - 6 = \frac{280}{t}$

$s - 6 = \frac{280}{\frac{320}{s}}$

$320(s - 6) = 280s$

$320s - 1920 = 280s$

$40s = 1920$

$s = \frac{1920}{40}$

$s = 48$

Her average speed is 48 miles per hour.

6 0

3 years ago

3(x-2) write in a word ​

3(x-2) write in a word