3 years ago

Factor the expression completely 8x^2-18 Please help

1 answer:

4 0

Answer:

2 (2x - 3) x (2x + 3)

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aleksley [76]

SOH CAH TOA

Sine is opposite over hypotenuse so you're answer is C.

:)))

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3 years ago

Luba_88 [7]

7 should be the answer.
7 doubled is 14. Hope this helps

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2 years ago

emmasim [6.3K]

1/3of 307 is 102.33

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2 years ago

denis-greek [22]

1. A

I hope this helped! This is because the division of numbers and factors are equal to this.

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2 years ago

kompoz [17]

Answer:

$c=0.4\ J/g^{\circ} C$

Step-by-step explanation:

Given that,

Mass of a sample, m = 12 g

Heat absobed by the sample, Q = 96 J

It was heated from 20°C to 40°C.

We need to find the specific heat of a material. The heat absorbed by a sample is given by :

$Q=mc\Delta T\\\\c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{96}{12\times (40-20)}\\\\=0.4\ J/g^{\circ} C$

So, the specific heat of the material is $0.4\ J/g^{\circ} C$ .

3 0

2 years ago