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valina [46]
3 years ago
11

Solve thid equation 6x = -12

Mathematics
2 answers:
Delvig [45]3 years ago
8 0
6x = -12
6x/6 = -12/6
x = -2
lubasha [3.4K]3 years ago
6 0

Answer: x = -2

Step-by-step explanation: We want to solve this equation for <em>x</em> so we want to get <em>x</em> by itself on the left side of the equation.

Since <em>x</em> is being multiplied by 6, we need to divide both sides of the equation by 6. On the left side of the equation, notice that the 6 and 6 cancel eachother out so we're just left <em>x</em>. On the right side, -12 divided by 6 is -2 so we have <em>x = -2</em> which is the solution to our equation.

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A line intersects the points (-23, -17) and (-13, -7). Find the slope of the line.
dolphi86 [110]
The slope of a line through points A(x_1, y_1) and B(x_2, y_2)  is :

\displaystyle{ \frac{y_2-y_1}{x_2-x_1}

or 

\displaystyle{ \frac{y_1-y_2}{x_1-x_2}, 

it is the same thing, BUT it it always y's over x's and always in the same order of 1 and 2:

don't write: \displaystyle{ \frac{y_1-y_2}{x_2-x_1}

--------------------------------------------------------------------------------------------------


The slope of the line through the points <span>(-23, -17) and (-13, -7) is :

</span>\displaystyle{  \frac{-17-(-7)}{-23-(-13)}= \frac{-17+7}{-23+13}= \frac{-10}{-10}=1
<span>

Answer: 1</span>
3 0
3 years ago
Help- ASAP please (25 points)
Alina [70]

Answer:

(t^2 -4) (t^2 +4)

(t-2)(t+2)(t^2+4)

Step-by-step explanation:

t^4 - 16

We can write this as the difference of squares

We know the dfference of squares is

(a^2 - b^2) = (a-b) (a+b)

( t^2 ^2 - 4^2) = (t^2 -4) (t^2 +4)

We can write t^2 -4 as the difference of squares

t^2 -4 = t^2 -2^2 = (t-2)(t+2)

Replacing this in

( t^2 ^2 - 4^2) = (t^2 -4) (t^2 +4) =  (t-2)(t+2)(t^2+4)

8 0
3 years ago
Read 2 more answers
I really need help. I'm failing this class guys
Aleonysh [2.5K]

17. 2u +5.2 \leq 9.4 + u \\2u - u \leq  9.4 -5.2\\u \leq  4.2

18. 3(f+2) > 2f + 4\\3f + 6 > 2f + 4 \\3f-2f > 4-6\\f > -2\\ The answer is  I.

19. 4 < 6b -2 \leq 28\\4+2 < 6b \leq 28+2\\6 < 6b \leq 30\\6/6 < b \leq 30/6\\1 < b \leq 5

3 0
3 years ago
PLEASE ANSWER ASAP! MUST BE CORRECT! MORE POINTS GIVEN!!!
Tasya [4]
These are the two rules for when a and b are positive numbers.
a + b = b + a
a - b ≠ b -a
a - b = -b + a

For example:

5.71 + 2.84 = 2.84 + 5.71
8.55 = 8.55

5.71 - 2.84 ≠ 2.84 - 5.71
2.87 ≠ -2.87

5.71 - 2.84 = -2.84 + 5.71
2.87 = 2.87



These are the rules for when a and b are negative numbers.
a + b = b + a
a - b = b + a

For example,

-6.2 + (-3.96) = -3.96 + (-6.2)
-6.2 - 3.96 = -3.96 - 6.2
-10.16 = -10.16

-6.2 - (3.96) = -3.96 + (-6.2)
-10.16 = -10.16



Also, if a is a positive number, while b is a negative number, we see these rules:
a + b = a - b
a - b = a + b

For example,

5.71 + (-6.2) = 5.71 - 6.2
-0.49 = -0.49

5.71 - (-6.2) = 5.71 + 6.2
11.91 = 11.91


Also, if a is a negative number while b is a positive number, then these rules will apply:
a + b = b - a
a - b = -b - a

For example,

-3.96 + 2.84 = 2.84 - 3.96
-1.12 = <span>-1.12
</span>
-3.96 - 2.84 = -2.84 - 3.96
-6.8 = -6.8


I hope this helps! :)
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3 years ago
Find the value of . A. 8 B. 32 C. 192 D. 1,536
Tamiku [17]

Answer:

8

Step-by-step explanation:

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6 0
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