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tankabanditka [31]
3 years ago
13

How can we use a number line to help calculate elapsed time

Mathematics
1 answer:
Paraphin [41]3 years ago
5 0
I’m not 100% sure but i think by what i learned that you would use a number line to measure to the number than the closest number of the time your looking for would be looking for.
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45 45 90<br> This question is using the 45 45 90 rule can someone help
AleksAgata [21]

Answer:

x= 4.24

y= 4.24

Step-by-step explanation:

1) I began by analyzing the given number, which in this case is the hypotenuse. I know the hypotenuse is equal to x√2.

2) I divided 6 by √2, which gave me 4.24.

5 0
2 years ago
Solve the following equation<br> 6x - 4 = 2 + 3x
Svetach [21]
The answer to the following question is X=2
7 0
3 years ago
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The following information was collected on 20 randomly chosen high school students, which compared their IQ score to musical apt
Mashcka [7]

Answer:

Y = 0.4925X - 22.26 ;

(-12.413, 13.398) ;

Yes, there is

Step-by-step explanation:

X = IQ Score ; Y = musical aptitude

The regression equation from the table given using the slope and intercept coefficient :

Y = 0.4925X - 22.26

0.4925 = slope ; Intercept = - 22.26

The 95% confidence interval of the slope :

Confidence interval = b ± Tcritical*SE

Tcritical at 95%, df = n - 2 = (20 - 2) = 18

Tcritical = 2.1009

b = slope Coefficient = 0.4925

S.E = 6.143

Hence, we have :

Confidence interval = 0.4925 ± (2.1009 * 6.143)

Confidence interval = 0.4925 ± 12.9058287

Lower boundary = 0.4925 - 12.9058287 = - 12.413

Upper boundary = 0.4925 + 12.9058287 = 13.398

(-12.413, 13.398)

There is a significant relationship between IQ score and musical aptitude because, 0 is within the confidence interval obtained.

6 0
3 years ago
PLZ HELP i am failing like i still did the work but i got it incorrect plz!!! i BEG of you to plz help me (Surface Area of Recta
Ronch [10]

Answer:8 times 4+12+= 44

Step-by-step explanation:

8 times 4 gives you 32 then add 12 to get 44

6 0
2 years ago
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Can someone please explain to me how to do <br> 3/5x + 22 = 28<br> Thanks so much
AysviL [449]
3/5x+22=28  (Simplify, get all the whole numbers on one side)
       -22  -22

5(3/5x)=(6)5  (Get rid of the fraction by multiplying everything by 5)

3x=30  (Get the variable by itself, divide by 3)

x=10

4 0
3 years ago
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