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Aneli [31]
3 years ago
6

3. Why is it true that finding a square root is the inverse of squaring?

Mathematics
2 answers:
Reika [66]3 years ago
7 0

Answer:

The square root function is the inverse of the squaring function just as subtraction is the inverse of addition. ... The square root could be positive or negative because multiplying two negative numbers gives a positive number. The principal square root is the nonnegative number that when multiplied by itself equals a.

Step-by-step explanation: Hope this helps!!!  Have a good day!!

Digiron [165]3 years ago
3 0
Squaring is mutiplying the same number together
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Marina CMI [18]

Answer:

Speed of boat in still water is 6km/h

Speed of current is 4km/h

Step-by-step explanation:

We know speed = distance / time

Let the speed of boat in still water be x

Let the speed of current be y

Hence the speed of boat, down stream = x+y

Distance downstream = 20km

Time taken = 2 hours

We have

x+y=\frac{20}{2}

x+y=10       ......(1)

Speed of boat upstream = x-y

Distance upstream = 4

Time taken = 2

We have

x-y=\frac{4}{2}

x-y=2    ...(2)

Adding (1) & (2)

2x=12

x=6

Substituting in (1) we get

y=4

7 0
3 years ago
What is -12 divided by 2/3? A. –36 B. –24 C. –18 D. –8
vazorg [7]

What is -12 divided by 2/3?


your answer is -18

5 0
3 years ago
Given that y = 9x + 2, what is the slope?<br> A. 2 B.x C. 9 D.11
tia_tia [17]

Answer:

c.9

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PZZZ help!!!!!<br><br>25 points!
Cerrena [4.2K]

Answer:

Y=1.25x+3.50

Step-by-step explanation:

The problem is linear so it uses y=ax+b form. In this we can set the left group as x and the right group as y. Then use

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12.25-1.25*7=b

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now we put them all together to make

Y=1.25x+3.50

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vesna_86 [32]

Step-by-step explanation:

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in Brian's equation, 5 is total number of rides Katie can ride and 5 - r is the number of rides left to ride

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