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kkurt [141]
3 years ago
9

For number 28, are the 2 graphs parallel, perpendicular or neither?

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
5 0
The lines are parallel
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kendrey ran 9 miles in 1 hour and 30 minutes. how long will it take her to run 12 miles at this pace?
castortr0y [4]
Turn hours into minutes

1hr = 60mins

Add the 60mins with 30mins since it’s 1hr and 30 mins. Which will equal 90mins


9miles/ 90minutes

You can simplify
1 mile/ 10 mins
So for 1 mile it takes 10 mins

And the problem is asking how much will it take for her to run 12 miles

Meaning it will take 120 minutes for her to run 12 miles.
6 0
3 years ago
PLEASE HELP QUICKLY!!!<br> How are average IQs related to normal distribution
katen-ka-za [31]

Answer:

Read Explanation

Step-by-step explanation:

A standard devation of 15 means 68% of the norm group has scored between 85 (100 – 15) and 115 (100 + 15). In other words, 68% of the norm group has a score within one standard deviation of the average (100). Also, 95% of the norm group has an IQ score within two standard deviations of the average.

6 0
3 years ago
Can some one help me asap
zavuch27 [327]
It'd be easier to do #18 if y ou were to break it up:

                                                        14* (first term + 14th term)
Sum from n=1 to 14 of n =  S      = ---------------------------------
                                               14                       2
                                    
     14(1+14)
= ---------------- = 7(15) = 105 
           2

The sum of twice that is 210.  The sum of "1 from n=1 to n=14" is just 14.

The final sum is 210 + 14 = 224 (answer)
4 0
3 years ago
If j and k are parallel lines, A and B are points on j, and C and D are points on k, how many planes contain points A, B, C, and
natita [175]

A and B are points on j.

C and D are points on k.

Join AD and BC.

ABCD is a quadrilateral.

Clearly, the quadrilateral ABCD is the only plane that contains the points A, B, C and D.

Hence, correct answer is option A. Exactly one.

8 0
3 years ago
Question 1 is points) If point A is (3.1). What is it's new position after x --&gt; {X-3. y - 1). 0 (0.0) (62) (2-2) 01-3-1)​
lutik1710 [3]

Answer:

(0,0), or A

Step-by-step explanation:

Given the function { x - 3, y - 1 }:

(3 -3, 1-1)=(0,0)

7 0
3 years ago
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