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NNADVOKAT [17]
3 years ago
9

Two students measure their reaction times by seeing how many seconds it takes one of them to catch a yard stick that the other d

rops right above his hand. Suppose the radical √0.08 represents the time it takes one of the students to catch the ruler, and √0.18 represents the time it takes the other student to catch it.
It also asks to make an expression to represent the difference between the two reactions.

Please help!!
Mathematics
1 answer:
posledela3 years ago
7 0

An expression for the difference between the two reaction times would be

√0.18 - √0.08. The result will be positive.

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liq [111]

Answer:

4

Order of Operations is what you have to use

8 0
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What is the equation of the line with an x-intercept of -1 and a y-intercept of 2?
iragen [17]

Answer:

y = 2x + 2

Step-by-step explanation:

The general form

is;

y = mx + b

where m is the slope and b is the y-intercept

so we have;

y = mx + 2

To get m, substitute the point (-1,0)

So we have

0 = -m + 2

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So the equation is;

y = 2x + 2

4 0
3 years ago
PLZ HURRY carrie is 3 times as old as Eva. in 15 years Carrie will be twice as old as Eva. how old are they both now
astraxan [27]

Answer:

Age of Eva =  15 Years

Age of Carrie = 45 Years

Step-by-step explanation:

Let the age of Eva be X years

Given that Carrie is 3 times as old as Eva

Therefore age of Carrie = 3X YEARS.

__________________________________________________________

After 15 years

Age of Eva = X + 15

Age of Carrie = 3X +15

Given that Carrie is twice as old as Eva

so according to this condition

age of Carrie = 2*Age of Eva

Substituting the age of Eva and Carrie

3X +15 = 2*(X + 15 )

=> 3X +15 = 2X +30

=> 3X - 2X = 30 - 15

=> X = 15

Since X was assumed age of Eva so age of Eva is 15 years

age of Carrie = 3X years = 3*15 = 45 years.

4 0
3 years ago
Two trains, train A and train b Weigh a total of 354 tons. Train A is heavier than train b. The difference of their weights is 3
anastassius [24]
B=(354➖314) ➗2=20
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5 0
3 years ago
Please show your work and explain it.
Maru [420]

Answer:

f(x)=\dfrac{x+2}{2(x-2)}

Step-by-step explanation:

Remember when you divide fractions, you need to get the reciprocal of the divisor and multiply. So your first simplification would be:

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Next we factor what we can so we can further simplify the rest of the equation:

=\dfrac{(x^2+4x+4)(3x-12)}{(x^2-6x+8)(6x+12)}\\\\=\dfrac{(x+2)(x+2)(3x-12)}{(x^2-6x+8)(6(x+2))}\\\\

We can now cancel out (x+2)

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We cancel out x-4 and reduce the 3 and 6 into simpler terms:

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=\dfrac{x+2}{2(x-2)}

6 0
3 years ago
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