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denpristay [2]
2 years ago
7

Help with this please!!!

Mathematics
1 answer:
omeli [17]2 years ago
8 0

Answer:

Sometimes true.

Step-by-step explanation:

If I is not the midpoint of HJ, then it may lie any where on the line HJ and may not lie on HJ.

So, sometime i.e when I lies on HJ, H , I and J are collinear

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Find two numbers that multiply to -56 and add to -1
katrin [286]

Answer:

-8 and 7

Step-by-step explanation:

-8×7=-56 and -8+7=-1

7 0
2 years ago
Number 4. Please help
IgorLugansk [536]
Mean number of points scored=(3+14+10+0)/4

=6.75

3 0
2 years ago
In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they
Arte-miy333 [17]

Answer: 0.22

Step-by-step explanation:

We know that the best point estimate for the difference between two population mean is the difference between their sample means.

Given : For the 39 randomly selected upperclassmen, the sample mean was 0.12 and sample standard deviation was 0.42. For the 35 randomly selected underclassmen, the sample mean was 0.34 and the sample standard deviation was 0.87.

Let A denotes the population of upperclassmen and B denotes the population of underclassmen .

\overline{x}_A=0.12

\overline{x}_B=0.34

Then, the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen will be :-

\overline{x}_B-\overline{x}_A=0.34-0.12=0.22

Hence, the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen =0.22

5 0
3 years ago
−2/3a+1/8−1/6a−3/4 PLS HELP
yarga [219]

Answer:

-5a-15/4

______

     6

Step-by-step explanation:

8 0
2 years ago
Answer these questions for the poset ({2, 4, 6, 9, 12, 18, 27, 36, 48, 60, 72}, |). a) Find the maximal elements. b) Find the mi
Maslowich

Answer:

(a) maximal elements =27,48,60,72

(b) minimal elements =2,9

(c) greatest element =2,9

(d) least element = Does not exist

(e) upper bounds =18,36,72

(f) least upper bound =72

(g) lower bounds =2,4,6,12

(h) greatest lower bound =12

4 0
2 years ago
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