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maw [93]
3 years ago
12

Solve5(2x-3) = 3(x+4)

Mathematics
2 answers:
dusya [7]3 years ago
6 0
5(2x-3) = 3(x+4)\\
10x-15=3x+12\\
7x=27\\
x=\dfrac{27}{7}
balu736 [363]3 years ago
3 0
5(2x-3)=3(x+4) \\
10x-15=3x+12 \\
10x-3x=12+15 \\
7x=27 \\
x=\frac{27}{7}=3 \frac{6}{7}
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Alexxx [7]

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Should be, (-3,5) (if rise over run aka y,x)

Step-by-step explanation:

When attempting to find a slope like this, you need to locate pretty points. Pretty points are any time the line meets an exact corner on the box. If you look at -3,1, you can see the line makes a pretty point there. Then, try to find the next one, which is at 2,-3. Once you found these pretty points, try to connect them by drawing a line towards each other THAT IS STRAIGHT until those intersect. Where they intersect is where the slope of the line is. In this case, when I drew the line, they met at <em>down three</em>, <em>over (right) 5.</em>

4 0
3 years ago
Help me please geometry please help now please
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5 0
1 year ago
What are the vertex and x-intercepts of the graph of y=x2-2x-24
valentina_108 [34]

Answer:

Vertex (1,-25), Intercepts at (6,0) and (-4,0)

Step-by-step explanation:

Axis of symmetry = -b/2a = -(-2)/2(1) = 2/2 = 1 so x=1 is the equation of line

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3 0
4 years ago
Read 2 more answers
Describe and correct the error in evaluating the expression. -10^2 = 100
Lina20 [59]

Answer:

-10² = -100

Step-by-step explanation:

The error in the evaluation occurred when the negative base (which is -10) was squared altogether outside of the parenthesis. (-10²) still results in <u>-100</u>.

The only time that the result will produce a positive 100 is when you square -10 this way: (-10)² = 100 because the negative sign is included with the squaring of base through the parenthesis.

Hope this helps.

3 0
3 years ago
Read 2 more answers
Challenge 1:
stepan [7]

11+9=20

(11)^2-(9)^2=40

121-81=40

40=40

4 0
3 years ago
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