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3 years ago

Explain what the absolute value tells about -18 degrees Celsius.

Mathematics

2 answers:

baherus [9]3 years ago

8 0

It says -18 is 18 digits away from 0

Lemur [1.5K]3 years ago

8 0

I'm a bit uncertain of what they are asking here, but the absolute value of -18 is 18. Maybe the answer is "Knowing the absolute value of -18 degrees Celsius tells us that the temperature is 18 degrees below zero."

Again, this question is weirdly worded but I hope this helps. :)

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Suppose the scores of students on a Statistics course are Normally distributed with a mean of 563 and a standard deviation of 37

ololo11 [35]

Answer:

47.72% of students scored between 563 and 637 on the exam .

Step-by-step explanation:

The percentage of the students scored between 563 and 637 on the exam

= The percentage of the students scored lower than 637 on the exam -

the percentage of the students scored lower than 563 on the exam.

Since 563 is the mean score of students on the Statistics course, 50% of students scored lower than 563. that is P(x<563)=0.5

P(x<637)=P(z<z*) where z* is the z-statistic of the score 637.

z score can be calculated using the formula

z*= $\frac{X-M}{s}$ where

X =637

M is the mean score (563)

s is the standard deviation of the score distribution (37)

Then z*= $\frac{637-563}{37}$ =2

P(z<2)=0.9772, which means that 97.72% of students scored lower than 637 on the exam.

As a Result, 97.72%-50%=47.72% of students scored between 563 and 637 on the exam

5 0

3 years ago

terry ate 4 less cookies than jack. alvin ate four times as many cookies as terry. if x represents the number if cookies that ja

Ierofanga [76]

Answer:

Alivin= 4(x-4)

Step-by-step explanation:

7 0

3 years ago

A relation contains the points (2,3), (3,0), (4,1), (5,2), (5,0). Which statement accurately describes this relation

navik [9.2K]

Answer:

x,y

Step-by-step explanation:

6 0

3 years ago

Solve the given equation. 8x = 168 what is x

V125BC [204]

Answer:

The Answer is gonna be 21

EXPLANATION :

8x = 168

x=168/8

x=21

This is the right Answer :3

I hope you are having a great day ❤️

5 0

2 years ago

Read 2 more answers

Need help ASAP! (Geometry 1)

melisa1 [442]

Answer:

The Length of third side is 52 units.

Step-by-step explanation:

Given:

Length of First side = 48

Length of second side = 20

Also given the angle between them is 90°.

Hence we can say figure shown is a right angled triangle.

For finding the third side we can use Pythagoras theorem which states that;

"If a triangle is right angled then, the Square of the hypotenuse is equal to sum of the square of the other two sides."

$Third \ side ^2=First \ side^2+Second \ side^2$

Hence substituting the values we get;

$Third\ side^2= 48^2+20^2 = 2304+400 =2704$

Now taking Square root on both side we get;

$\sqrt{Third \ side^2} = \sqrt{2704}\\ Third \ side = 52 \ units$

Hence Length of Third side is 52 units.

3 0

3 years ago