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3 years ago

Write an equivalent expression for 8(3x+2)

Mathematics

2 answers:

belka [17]3 years ago

8 0

Answer:

An equivalent expression of $8(3x+2)$ is $24x+16$

Step-by-step explanation:

Given : $8(3x+2)$

To Find : Write an equivalent expression

Solution:

$8(3x+2)$

$24x+16$

So, $8(3x+2)=24x+16$

So, an equivalent expression = $24x+16$

Hence an equivalent expression of $8(3x+2)$ is $24x+16$

Pavel [41]3 years ago

3 0

24x + 16

or

2 (12x) + 16

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Sean b= 5,79; c= 10,4,el angulo A= 54,46°, el angulo C mide ?

Rzqust [24]

Answer:

$C \approx 91.732^{\circ}$

Step-by-step explanation:

(This exercise is presented in Spanish and for that reason explanation will be held in such language)

El lado restante se determina por la Ley del Coseno:

$a = \sqrt{b^{2}+c^{2}-2\cdot b\cdot c \cdot \cos A}$

$a = \sqrt{5.79^{2}+10.4^{2}-2\cdot (5.79)\cdot (10.4)\cdot \cos 54.46^{\circ}}$

$a \approx 8.466$

Finalmente, el angulo C se halla por medio de la misma ley:

$\cos C = - \frac{c^{2}-a^{2}-b^{2}}{2\cdot a \cdot b}$

$\cos C = -\frac{10.4^{2}-8.466^{2}-5.79^{2}}{2\cdot (8.466)\cdot (5.79)}$

$\cos C = -0.030$

$C \approx 91.732^{\circ}$

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klasskru [66]

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