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NeX [460]
2 years ago
7

Archimedes is making waves as he showers in his bath.

Mathematics
2 answers:
ch4aika [34]2 years ago
7 0

Answer:

Step-by-step explanation

timurjin [86]2 years ago
5 0

Answer:

at the beginning, the surface height was 30 centimeters

the water was at a crest after 6 seconds

the surface descended between 12 and 15 seconds

Step-by-step explanation:

i got it right on khan

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PLZ HELP ME I BEG OF YOU!?!?!
Marina CMI [18]

3 - 7 = -4

Why?

7 is a bigger number than 3 which makes the answer a negative number.

-9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9

that is a number line and if you start from 3 and go back 7 spaces it would be -4.

In conclusion,

-4 is the absolute value of 3 - 7.

4 0
3 years ago
Which equation of the least squares regression line most closely matches the data set? yˆ=3.5x−6921.2 yˆ=5.5x+52 yˆ=−2.2x+13.8 y
konstantin123 [22]
A graphing calculator finds the regression line to be
  y = 5.5x + 52

6 0
3 years ago
Read 2 more answers
After taking a 70 point test, a student guesses that he got 65 points correct. Later he finds out he got 67 points
Nataliya [291]

Answer:

Percent error = 4.29%

Step-by-step explanation:

Percent error can be defined as a measure of the extent to which an experimental value differs from the theoretical value.

Mathematically, it is given by this expression;

Percent \; error = \frac {experimental \;value - theoretical \; value}{ theoretical \;value} *100

Given the following data;

Experimental value = 67

Theoretical value = 70

Substituting into the equation, we have;

Percent \; error = \frac {67 - 70 }{ 70} *100

Percent \; error = \frac {3}{70} *100

Percent \; error =  0.04286 *100

Percent error = 4.29%

4 0
2 years ago
What is the value of 40/z, when z = 10? <br><br>I WILL GIBE BRAINLY POINTS
Mamont248 [21]

Replace x with 10 and simplify the fraction.

40/10 = 4/1 = 4

The answer is 4

5 0
2 years ago
20 POINTS!!!!!!!
zavuch27 [327]
So the first one is -0.5 and second is -0.5 the third one is -0.5 and the fourth is -0.25 so I would say that is D
8 0
3 years ago
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