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Elan Coil [88]
3 years ago
11

On witch line does the error occur?

Mathematics
1 answer:
Trava [24]3 years ago
7 0

Answer:

See below.

Step-by-step explanation:

There's a mistake on the 2nd line.

10 should have been added to both sides not subtracted.

So the left side should be 8x and the right side should be

-3x + 22.

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Whats the square root of 9n^3
zhuklara [117]

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▹ Answer

3n√n

▹ Step-by-Step Explanation

√9n³

√3² √n² √n

3√n² √n

3n√n

Hope this helps!

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4 0
4 years ago
Help this k12 question.
sergeinik [125]

Answer: The answer is 117

Step-by-step explanation:

This is because the triangles are both 18 cm^2 and the square is 81 cm^2. You add 36 and 81 to get 117.

8 0
3 years ago
What numbers are mulitply and equals negative 30 and when add equals to negative 25
timofeeve [1]
This is impossible without getting a never ending decimal somewhere between 1.14 and 1.15.
3 0
4 years ago
D = {f, g, k}
atroni [7]

Answer:

Step-by-step explanation:

D∩L={f}

D∪L={a,f,g,j,k}

7 0
2 years ago
I need help fast please I don’t understand this and I’ve been struggling for a while. Can I get a brain list please or a tutor t
solong [7]

Answer:

4 √6

Step-by-step explanation:

We have a few right triangles. We know that a²+b²=c², with c being the side opposite the right angle. Representing the side without a value as z, we have:

m²+z² = (8+4)² = 12²

4²+n²=z²

8²+n²=m²

We have 3 equations with 3 unknown variables, so this should be solvable. One way to find a solution is to put everything in terms of m and go from there. First, we can take n out of the equations entirely, removing one variable. We can do this by solving for it in terms of z and plugging that into the third equation, removing a variable as well as an equation.

4²+n²=z²

subtract 4²=16 from both sides

z²-16 = n²

plug that into the third equation

64 + z² - 16 = m²

48 + z² = m²

subtract 48 from both sides to solve for z²

z² = m² - 48

plug that into the first equation

m² + m² - 48 = 144

2m² - 48 = 144

add 48 to both sides to isolate the m² and its coefficient

192 = 2m²

divide both sides by 2 to isolate the m²

96 = m²

square root both sides to solve for m

√96 = m

we know that 96 = 16 * 6, and 16 = 4², so

m = √96 = √(4²*6) = 4 √6

5 0
2 years ago
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