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4vir4ik [10]
2 years ago
11

Simplify fully V8 x V18

Mathematics
2 answers:
MariettaO [177]2 years ago
7 0

Answer:

12

Step-by-step explanation:

·\sqrt{8}×\sqrt{18}=\sqrt{144}

\sqrt{144}=12

tangare [24]2 years ago
5 0

Answer:

12

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab} and \sqrt{a} × \sqrt{a} = a

Given

\sqrt{8} × \sqrt{18}

Simplifying each radical

\sqrt{8} = \sqrt{4(2)} = \sqrt{4} × \sqrt{2} = 2\sqrt{2}

\sqrt{18} = \sqrt{9(2)} = \sqrt{9} × \sqrt{2} = 3\sqrt{2}

Thus

\sqrt{8} × \sqrt{18}

= 2\sqrt{2} × 3\sqrt{2}

= 2 × 3 × \sqrt{2} × \sqrt{2}

= 6 × 2

= 12

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12-n/7=-1 what y’all think the answer is
mestny [16]

Answer:

19

Step-by-step explanation:

12-n/7 = -1

Cross multiply

We have 12-n = -7

Collect like terms

12 + 7 = n

Therefore n = 19

8 0
3 years ago
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notka56 [123]
Average rate = [h(3) - h(0)]/(3 - 0)
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average rate = (156 - 300)/3 = -144/3 = -48

Therefore, the object falls with an average rate of 48 ft/s during the first 3 seconds.
4 0
3 years ago
What is the answer of a - 5 + -12
Pachacha [2.7K]
-5+-12 is -17
For lack of a better metaphor, it's like digging a pit deeper than it already is.
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Determine ſ(2) where f(x) =x+1/4x-2
umka2103 [35]
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6 0
3 years ago
What is the substitution of -6x-8y=-20 and x+6y=-6
ale4655 [162]

Substitution doesn't work for this, but elimination does.

-6x-8y=-20 +6( x+6y=-6)

-6x-8y=-20 + 6x+36y=-36

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divide by 28 on both sides.

Y= -2

Then substitute y into one of the equations.

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