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Zigmanuir [339]
3 years ago
15

Please help me :) triangles, and i need help Brainliest to correct answers!!! NO LINKS

Mathematics
1 answer:
aksik [14]3 years ago
7 0

Answer:

Step-by-step explanation:

ur mom

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What is the slope of the line plotted below?<br> O A. 0.25<br> B. -0.25<br> O C. -0.5<br> O D. 5
Dimas [21]

Answer:

m= -0.25 b=2.25 the answer is -0.25

5 0
3 years ago
(x/x+3)-(8/x+2)=(-13x-6)/(x^2+5x+6)​
Fed [463]

Answer:

x = -9

x = 2

Step-by-step explanation:

Given:

\dfrac{x}{x+3}-\dfrac{8}{x+2}=\dfrac{-13x-6}{x^2+5x+6}

First, note that

x^2+5x+6=x^2+2x+3x+6=x(x+2)+3(x+2)=(x+2)(x+3)

Since x+2 and x+3 stay in the denominator, then

x\neq -2\ \text{and}\ x\neq -3

Now add two fractions which stay in the left part. The common denominator is (x+2)(x+3), so multiply the numerator of the first fraction by (x+2) and the numerator of the second fraction by (x+3) and subtract them in the numerator:

\dfrac{x}{x+3}-\dfrac{8}{x+2}=\dfrac{-13x-6}{(x+2)(x+3)}\\ \\\dfrac{x(x+2)-8(x+3)}{(x+2)(x+3)}=\dfrac{-13x-6}{(x+2)(x+3)}\\ \\x(x+2)-8(x+3)=-13x-6\\ \\x^2+2x-8x-24=-13x-6\\ \\x^2+2x-8x+13x-24+6=0\\ \\x^2+7x-18=0\\ \\x^2+9x-2x-18=0\\ \\x(x+9)-2(x+9)=0\\ \\(x+9)(x-2)=0\\ \\x+9=0\ \text{or}\ x-2=0\\ \\x=-9\ \text{or}\ x=2

3 0
3 years ago
What is the difference of 23x and 9x?
BaLLatris [955]
Subtract 9x from 23x yields 14x. This was done by subtracting algebraically the variables.
4 0
3 years ago
Read 2 more answers
What is the greatest integer value of x for which 5-4x&gt;17?
Sveta_85 [38]
Hi there! The answer is -4

5 - 4x > 17
Subtract 5 from both sides.

- 4x > 12
4x < - 12
Divide by 4

x < - 3
Therefore, the largest integer value of x which makes the inequality true is -4. Not -3, because when filling in -3, the value isn't smaller than -3 anymore.
(Filling in x = -3 gives 17 > 17, which is incorrect).
8 0
3 years ago
Read 2 more answers
Simplify: (-27)^2/3=
Jet001 [13]

Answer:

(-3^3 x 2/3)

(-3^2)

9

answer is 9

mark this as brainliest!!!

5 0
4 years ago
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