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blagie [28]
3 years ago
13

Please help!!!!!!!!!!

Mathematics
1 answer:
Kitty [74]3 years ago
7 0

Answer:

Is B

3x+3

____

4x

Step-by-step explanation:

I think is B

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Solve for x.<br> ←2x+6<br> X+9<br> x = [?]
Scorpion4ik [409]

Answer:

3

Step-by-step explanation:

A simple way to solve this is by substituting, we start with trying 1 for x, 2+6=8, and 1+9=10. Because the two values are different, that means 1 is the incorrect value. We can try 2, 4+6=10, and 2+9=11, once again inequivalent. We finally try 3, and 6+6=12 and 3+9=12 meaning x must be 3

4 0
1 year ago
What is the slope of the linear equation 4x - 5y = -30
MariettaO [177]

Answer:

The slope of the line 4x – 5y = 12 is m = 4/5.

Step-by-step explanation:

To find the slope of this line we need to get the line into slope-intercept form (y = mx + b), which means we need to solve for y: The slope of the line 4x – 5y = 12 is m = 4/5.

6 0
3 years ago
Lim x—&gt; -2 <br> sqrt(3x+10) -2/ x+2
snow_lady [41]

\displaystyle\lim_{x\to-2}\frac{\sqrt{3x+10}-2}{x+2}

Rationalize the numerator:

\dfrac{\sqrt{3x+10}-2}{x+2}\cdot\dfrac{\sqrt{3x+10}+2}{\sqrt{3x+10}+2}=\dfrac{(3x+10)-4}{(x+2)(\sqrt{3x+10}+2)}=\dfrac3{\sqrt{3x+10}+2}

where the x+2 factors in the numerator and denominator cancel. Then the limit is

\displaystyle\lim_{x\to-2}\frac{\sqrt{3x+10}-2}{x+2}=\lim_{x\to-2}\frac3{\sqrt{3x+10}+2}=\frac3{\sqrt4+2}=\boxed{\frac34}

8 0
3 years ago
Hello can someone please help me. I'll give 50 points.
Dimas [21]
No solutions

Set equations equal to each other
-3.5x - 3.5 = -3.5x + 3.5

The -3.5x on both sides of the equation cancels out, leaving

-3.5 = 3.5

But -3.5 does NOT equal 3.5, so the solution to the system of equations is false. This means that there are no solutions.
5 0
3 years ago
1. 0.5<br> 2. 14<br> 3. 8<br> 4. 10
arlik [135]

Answer:

The awnser is 14

Step-by-step explanation:

If you multiply length x width then divide u get 14

6 0
2 years ago
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