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Darya [45]
3 years ago
9

What's the distance between the points (7,3) and (7,–8)?

Mathematics
2 answers:
iris [78.8K]3 years ago
8 0
Answer:

The distance between (7, 3) & (7, -8) is 11

Step-by-step explanation:

I used distance formula for the following explanation attached with an image.

Hope this explanation helps!

Maru [420]3 years ago
3 0

Answer:

11

Step-by-step explanation:

The distance is found by

d =sqrt ( (x2-x1)^2 + (y2-y1)^2)

  = sqrt( ( 7-7)^2 +(3 - -8)^2)

   = sqrt(0 +(3+8)^2)

  = sqrt( 11^2)

  = 11

 

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Q(-2, 3) and P (2, 1)<br> Find the length of the segment. Simplify each radical,if possible
Montano1993 [528]

9514 1404 393

Answer:

  2√5

Step-by-step explanation:

The distance formula is useful for this.

  d = √((x2 -x1)² +(y2 -y1)²)

  d = √((2 -(-2))² +(1 -3)²) = √(4² +(-2)²) = √20

  d = 2√5

The length of segment PQ is 2√5.

7 0
2 years ago
Hi, can somoene please check why my solution and explain why I get the wrong answer.
trapecia [35]

Answer:

a_n=(1-n)2^n+3^n

Step-by-step explanation:

You are correct down to the part where you add the partial results:

a_n=a_n^h+a_n^p=A3^n+B2^n-n2^n\\\text{Using the given starter values, we can find A, B:}\\a_0=2=A\\a_1=7=3A+2B+2\\\text{has solution A=1, B=1, so ...}\\\\a_n=3^n+2^n-n2^n

4 0
3 years ago
9 to the power 18 = 27 to the power x work out the value of x
Strike441 [17]

Answer:

Step-by-step explanation:

27^x = 9÷(3^x)

So (3^3)^x = (3^2)÷(3^x)

So 3^3x = 3^(2-x)

Comparing powers on both sides,

3x = 2 - x

So, 4x = 2

So, x = 1/2

Given ( 27 ) ^ x = 9 / 3 ^x

⇒ ( 3 × 3 × 3 )^x = ( 3 × 3 ) / 3^x

⇒ ( 3 ³ )^x = 3² / 3^x

⇒  3 ^ 3x × 3^x = 3²            [ since  ( a ^m)^n = a ^mn ]

⇒ 3^ (3x +x) = 3²                [ since a^m × a^n = a ^m+n ]

⇒ 3^4x = 3²

⇒4x = 2                      [ since  If a ^m = a ^n then m = n ]

⇒ x = 2 / 4

 ∴ x = 1 / 2

I hope this helps you.

8 0
2 years ago
The following diagram represents:
Svetach [21]

Answer:

rgsf

Step-by-step explanation:

4 0
3 years ago
PLEASE HELP I WILL MARK BRAINLIEST RIGHT AWAY!!!
o-na [289]

Answer:

C

Step-by-step explanation:

The slope formula is y^2 - y^1 over x^2 - x^1    

hope this helps!

also the answer is just the inverse of that answer

3 0
3 years ago
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