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enyata [817]
3 years ago
7

I really need help ! I don’t understand :(((

Mathematics
2 answers:
faust18 [17]3 years ago
5 0

Answer:

sqrt(9) * sqrt(4)

Step-by-step explanation:

sqrt( 9*4)

We know that sqrt(a*b) = sqrt(a) * sqrt(b)

sqrt(9) * sqrt(4)

Ainat [17]3 years ago
5 0

Answer:

Lets start off by saying that a square root is basically that number multiplied by itself.

Ex: the square root of 9 is 3 because 3 x 3 is 9

the square root of 4 is 2 because 2 x 2 is 4

the square root of 25 is 5 because 5 x 5 is 25

and so on.

so 9 x 4 = 36

the square root of 36 is 6 because 6 x 6 is 36.

the number 6 isn’t on this list here.

your option would be B) because the square root is 9 is 3 and the square root of 4 is 2.

3 x 2 = 6

B is equivalent to the equation in the problem.

So your correct answer is B. Please hit the thx button and mark me brainliest if this helped :)

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It is a cavity.

Step-by-step explanation:

If it is not treated well you may feel pain in your gum.

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13. Find the vertex of f(x)=x2 -6x +8 .
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Answer:

  a  (3,-1)

Step-by-step explanation:

The number that "completes the square" is the square of half the x-coefficient, (-6/2)^2 = 9. Rearranging the given function to include the square trinomial, we have ...

  f(x) = x^2 -6x +9 -1 . . . . . . . here, we have 8 = 9 - 1

  f(x) = (x -3)^2 -1 . . . . . . . . . . vertex form

Comparing this to the generic vertex form ...

  f(x) = (x -h)^2 +k . . . . . . . vertex at (h, k)

we see that h=3 and k=-1.

The vertex is (h, k) = (3, -1).

6 0
3 years ago
Michael estimated his mass as 8 kilograms
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4 0
2 years ago
Kevin and Randy Muise have a jar containing 47 coins, all of which are either quarters or nickels. The total value of the coins
SVETLANKA909090 [29]
Ik but learn its simple but there is multiple answers
4 0
3 years ago
WILL GIVE BRAINLIEST FOR CORRECT ANSWER !
lesya692 [45]

Answer:

neither

Step-by-step explanation:

The second and 3rd one can be modeled by by y = 100/x but the first one and the fourth one do not follow that, so the answer is neither. The first and fourth are y = 80/x

Put the values in and you will see the equations for yourself.

One

y = 80/2

y = 40

The 80 came from looking at this as an indirect variation. y = k/x

y = 40

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40 * 2 = k

k = 80

Two

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8 0
3 years ago
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