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2 years ago

11

The sum of six times a number and six more than the number is the same as the difference between -30 and twice the number what i

s the number

1 answer:

mariarad [96]2 years ago

7 0

Answer:

-4

Step-by-step explanation:

let the number be x

6x+(x+6)=-30-2x

7x+6=-30-2x

9x=-36

x=-4

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densk [106]

For this case we have that by definition, a function is of the form:

$y = f (x)$

So, we have the following system of equations:

$y = -6x + 2\\y = -2x + 4$

Equating the equations we have:

$-6x + 2 = -2x + 4$

Adding 2x to both sides of the equation:

$-6x + 2x + 2 = 4\\-4x + 2 = 4$

Subtracting 2 from both sides of the equation:

$-4x = 4-2\\-4x = 2$

Dividing between -4 on both sides of the equation:

$x = \frac {2} {- 4}\\x = - \frac {1} {2}$

Thus, the value of the variable "x" is -0.5.

Answer:

-0.5

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3 years ago

Solve for x. Round your answer to the nearest tenth.

oee [108]

Answer:

i think 120

Step-by-step explanation:

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2 years ago

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A set of numbers was created using a rule that states, "Start with 2, multiply by 3." Write the numbers included

WITCHER [35]

2, 6, 18, 54, 162, 486...

Start with the number 2.
$2*3=6 \\ 6*3=18 \\ 18*3=54 \\ 54*3=162 \\ 162*3=486$
And continue with that pattern from there.

5 0

2 years ago

15) The sum of one-fourth, one-ninth and one- third of a number is 25. Find the number.

klio [65]

Answer:

Step-by-step explanation:

(1/4 + 1/9 + 1/3)x = 25.

x = 36

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il63 [147K]

Answer:

5 hours

Step-by-step explanation:

if it is 15 an hour in total for the truck and dolly is 5 baseline then 15*5=75+5=80

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