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enot [183]
3 years ago
12

(+2)-(+5)= Is it okay if you explain how you got the answer? (I’m really bad in math lol)

Mathematics
1 answer:
erik [133]3 years ago
3 0
The answer is -3. Now imagine a line of numbers from -4 to +4. Your first number in that line would be +2. From there you would be moving to the left since you're taking numbers away and in this case you're taking away +5. So when you're going on that line from +2 tho the left by +5 it gets you to -3. I hope you understand what I'm trying to say:D I also included the photo of that "line".

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A ladder reaches the top of a 20 foot building. the ladder is 4.5 feet away from the building. how long is the ladder?
KATRIN_1 [288]

Answer:

C

Step-by-step explanation:

do that with pithagoras:

20² + 4,5² = x²

400 + 20,25 = x²

420,25 = x²

x = \sqrt{420,25}

x ~ 20,5

Letter C: 20,5 feet

4 0
2 years ago
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allsm [11]
3(x)-5=x+5
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3x=x
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3 years ago
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Vesna [10]

Answer:

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Step-by-step explanation:

DF is the diameter of the circle with center Q.

So, Q is the midpoint of DF.

By mid point formula.

Q =  \bigg( \frac{1 + 7}{2},  \:  \:  \frac{3 - 5}{2} \bigg) \\  \\ Q =  \bigg( \frac{8}{2},  \:  \:  \frac{ - 2}{2} \bigg) \\  \\ Q = (4, \:  \:  - 1)

6 0
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Read 2 more answers
Whats the slope of the line?
TiliK225 [7]

Answer:

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Step-by-step explanation:

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3 years ago
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sineoko [7]

Answer:

\large\boxed{\ln e^4=4}

Step-by-step explanation:

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3 0
2 years ago
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