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LiRa [457]
3 years ago
12

Y'ALL PLEASE HELP ME I REALLY NEED HELP!!!! ALL LINKS WILL BE DELETED/REPORTED.

Mathematics
1 answer:
valina [46]3 years ago
6 0

Answer:

I think the answer is C but I'm not 100% sure

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Question Progress
mixas84 [53]

Answer:

Please check the attached figure!

Step-by-step explanation:

Part a)

Point A is located at the x-coordinate x=-4 and y-coordinate y=1.

Hence, the coordinates of point A = (-4, 1)

Part b)

Point B(3, -2) has been plotted and is shown in the attached figure.

It is clear from the attached diagram that point B is located at the x-coordinate x=3 and y-coordinate y=-2. Hence, the coordinates of point B = (3, -2)

Part C)

Point C has the same x-coordinate as point A i.e. x=-4 and the same y-coordinate as point B i.e. y=-2.

Hence, the coordinates of point C = (-4, -2). Point C is also plotted as shown in the diagram.

7 0
3 years ago
In a September 2019 survey of adults in the U.S., participants were asked if within the last 5 years, they knew of a friend or f
kvv77 [185]

Answer:

yes, it is interval.

8 0
3 years ago
To solve 4÷13, Matthew thinks about blocks that each weigh 13 pound and how many blocks he would need to put on a scale so that
Katarina [22]
3.25 if you round it it’ll be 3.3
4 0
2 years ago
What is the geometric mean of 50 and 1/8
lesya692 [45]
2.5 is the geometric mean
8 0
4 years ago
An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post-t
notsponge [240]

Answer:

2.542

Step-by-step explanation:

Given the data :

Customer Pre-training Survey, x1 __Post-training Survey, x2 __ difference, d = (x2-x1)

A 6 8 2

B 5 5 0

C 10 10 0

D 7 10 3

E 6 8 2

F 5 6 1

G 2 8 6

This is a paired test as each subject has two different data values :

Difference in score, d :

dbar = Σd / n

dbar = (2+0+0+3+2+1+6) /

dbar = 14 / 7

dbar = 2

Standard deviation of d ; Sd = √[Σ(d - dbar)²/n-1]

Using calculator ; Sd = 2.082

Test statistic = dbar ÷ (Sd/√n)

Test statistic = 2 ÷ (2.082 / 7)

Test statistic = 2 ÷ 0.7869220

The statistic = 2.5415

7 0
3 years ago
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