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Marina86 [1]
3 years ago
9

John Hikes 13.5 mi at a constant rate of 3 mi/ h

Mathematics
2 answers:
stiv31 [10]3 years ago
5 0
Time = distance/time = 13.5/3 = 4.5 hours

Answer is B
svet-max [94.6K]3 years ago
4 0
Same answer B. 4.5 h
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A perpendicular bisector, CD is drawn through point C on AB. 
STALIN [3.7K]

<u>Answer</u>

B(18/5,0)


<u>Explanation</u>

First we find the coordinates of C;

C (x, y) = [(-3+7)/2, (2+6)/2]

           = (2, 4)

Find the equation of CD.

slope = (6-2)/(7--3)

         = 4/10  = 2/5

slope of CD = -5/2

-5/2 = (y - 4)/(x - 2)

-5/2(x - 2) = y - 4

(-5/2) x + 5 = y - 4

y = (-5/2)x + 9

For the x-intercept y = 0

∴ y = (-5/2)x + 9  

 0 = (-5/2)x + 9  

5/2 x = 9

x = 2/5 × 9

  = 18/5

x-intercept  = (18/5, 0)


3 0
3 years ago
Read 2 more answers
Assume that y varies directly with<br> x, then solve.<br> If y=6 when x=2/3, find x when y=12.
Yanka [14]
Oh my didn’t answer of why equals 61X equals 2/3 find XY equals 12 on you just multiplied by three and you’ll get the
4 0
3 years ago
X-2– 2x = [?]x + [ ]
ratelena [41]

Answer:

-1x + (-2)

Step-by-step explanation:

1) do x - 2x which you get -1x

2) since there's an addition sign, you put in -2 not 2, since there's no subtraction sign b4 the number.

5 0
3 years ago
Read 2 more answers
I never been able to understand these type of questions, please help .
svet-max [94.6K]

Answer:

I am pretty sure you just have to find what the coordinates are

Step-by-step explanation:

3 0
3 years ago
i need help on this it’s asking which of the following is the equation of the linear function (f)x shown graphed below
o-na [289]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
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