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Zigmanuir [339]
2 years ago
13

24=3y

class="latex-formula">
Mathematics
2 answers:
Norma-Jean [14]2 years ago
3 0

\bf 24=3y\implies \cfrac{24}{3}=y\implies 8=y

hodyreva [135]2 years ago
3 0

For this case we must solve the following equation of first degree:

24 = 3y

Where the unknown is represented by the variable "y".

So:

Dividing between 3 on both sides of the equation we have:

\frac {24} {3} = \frac {3} {3}y\\y = 8

Thus, the value of the variable "y" is 8.

Answer:

y = 8


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y=-2x+15

Step-by-step explanation:

So first we can write it in point slope form.

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We can then convert it to slope intercept form which is

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y-7=-2x+8

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3 0
3 years ago
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Quiero saber como se resuelve este problema ? 6+2-a3
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6 0
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F(x)= 5x^2+6, g(x)= 7x find (f o g)(x), find (g o f)(x), find f(g(-4)), fine g(f(5))
KiRa [710]

(f o g)(x) = 245x^2+6\\(g o f)(x) = 5x^2+42\\ f(g(-4)) = 3926\\g(f(5)) = 917

Step-by-step explanation:

Given

f(x) = 5x^2+6\\g(x) = 7x

So

(f o g)(x) = 5(7x)^2+6\\= 5(49x^2)+6\\=245x^2+6\\(g o f)(x) = 7(5x^2+6)\\= 35x^2+42\\(fog(x))=245x^2+6f(g(-4)) = 245(-4)^2+6 \\=245(16)+6\\=3920+6\\=3926\\g(f(x)) = 35x^2+42\\g(f(5)) = 35(5)^2+42\\=35(25)+42\\=875+42\\=917

Hence,

(f o g)(x) = 245x^2+6\\(g o f)(x) = 5x^2+42\\ f(g(-4)) = 3926\\g(f(5)) = 917

Keywords: functions, Function composition

Learn more about functions at:

  • brainly.com/question/4279146
  • brainly.com/question/4354581

#LearnwithBrainly

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Sphinxa [80]

Answer:

A and C

Step-by-step explanation:

Given

2cos²x - 2 = 0 ( add 2 to both sides )

2cos²x = 2 ( divide both sides by 2 )

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