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ira [324]
3 years ago
15

What is the solution to the equation 3 square root x+4+3 square root 2x+8=0? x = –12 x = –4 x = 4 x = 12

Mathematics
1 answer:
Gre4nikov [31]3 years ago
3 0

Answer:

x=-4

Step-by-step explanation:

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An N-scale model railroad caboose is 3 inches long. N scale is 169 feet to 1 foot.
hammer [34]

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Answer:

  • c/3 = 169/12
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Step-by-step explanation:

Since we want to know the actual number of feet, we can write the proportion with that in the numerator.

  \dfrac{\text{actual feet}}{\text{scale inches}}=\boxed{\dfrac{c}{3}=\dfrac{169}{12}}\\\\c=\dfrac{3\cdot169}{12}=42\frac{1}{4}\qquad\text{multiply by 3}

The real caboose is 42 1/4 feet long.

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3 years ago
Write the equation of the line in slope intercept form if its slope is 3 and y intercept is -5
Veseljchak [2.6K]

Answer:

y = 3x - 5

Step-by-step explanation:

1. The slope-intercept form a line is y = mx + b, where y = y-coordinate, m = slope, x = x-coordinate, and b = y-intercept.

2. Given the values of m and b, let's plug them in:

  • y = (3)x+(-5)
  • y = 3x-5

Therefore, the equation of the line in slope-intercept form is y = 3x - 5.

Have a lovely rest of your day/night.

7 0
3 years ago
Read 2 more answers
How do I explain the answer
zepelin [54]
Explaining the answer with math problems just means show your work 
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3 years ago
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I NEED HELP ASAP!!!!!!! BRAINLIEST TO FIRST CORRECT ANSWER!!!!!!!!!
Klio2033 [76]
I'm guessing E. Ra*5+340= 5Ra+345=Rb-25
6 0
3 years ago
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