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vova2212 [387]
2 years ago
8

What is the average speed of a lizard that runs 100m in 40 s and then runs an additional

Mathematics
2 answers:
SIZIF [17.4K]2 years ago
7 0

Answer: 2.5 m per second

Step-by-step explanation:

100 meters divided by 40 seconds is 2.5 meaning 2.5 meters per 1 second

50 meters divided by 20 seconds is 2.5 ^

Eva8 [605]2 years ago
5 0

Answer:

If this was all at one time, the average speed was 150m per 60s (1 minute).

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Which number produces an irrational number when multiplied by 0.4
vovikov84 [41]
Assuming 0.4 is in fact, 2 divided by 5 (and not an approximation of some number that would require an infinite amount of decimal places to exactly express), then multiplication by 0.4 is the same as multiplying by 2 and dividing by 5.

This means that multiplying any rational number by 2/5 will yield another rational number (as given x/y as an input, where x and y are integers, and multiplying it by 2/5 giving 2x/5y, will mean that 2x and 5y are also integers, and the result is also rational)

If we multiply an irrational number by 2/5, however, the result will be irrational.

So your answer is any number not in the set of rational numbers, multiplied by 0.4, will yield an irrational number.

3 0
3 years ago
Read 2 more answers
Determine whether Y= 2x^2 -1 is a linear equation. If so , write the equation in standard form. If Not PLEASE Explain?​
Evgesh-ka [11]

Answer:

not a linear equation

Step-by-step explanation:

its a quadratic equation bcz whenever the power of variable exceeds 1 it is not a linear equation then. even if we plot a graph by assuming values of x we will see a curve is forming hence not a linear equation

5 0
3 years ago
Slope=8 y-intercept=-3 <br>write in slope-intercept​
maxonik [38]
Y= mx+b (slope intercept form)
m= the slope (in this case 8)
b= the y-intercept (-3)
the answer: y=8x-3
7 0
3 years ago
Jayden has been reading a 275275275-page book for English class. On average, he has read about 101010 pages in 151515 minutes (\
maxonik [38]
First let's define variables:
 r: reading
 s: skimming
 We write the system of equations that adapts to the problem:
 r + s = 275
 (15/10) r + (10/15) s = 355
 We solve the system of equations:
 r = 206
 s = 69
 Note: see attached image for system solution.
 Answer: 
 Jayden had to skim 69 pages through

8 0
3 years ago
Need help with this function problem
kotykmax [81]

Answer:

  see attached

Step-by-step explanation:

To find the inverse function, solve ...

  x = f(y)

  x = (y^7)/7 -4 . . . . . . . use the definition of f(x)

  x +4 = (y^7)/7 . . . . . . add 4

  7(x +4) = y^7 . . . . . . multiply by 7

  (7(x +4))^(1/7) = y . . take the 7th root

The inverse function is the one shown in the attachment.

4 0
2 years ago
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