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fiasKO [112]
3 years ago
10

Which of the following are solutions to the equation below?

Mathematics
1 answer:
anastassius [24]3 years ago
4 0

Answer:

C and F

Step-by-step explanation:

Given

(3x - 5)² = 19 ( take the square root of both sides )

3x - 5 = ± \sqrt{19} ← note plus or minus

Add 5 to both sides

3x = ± \sqrt{19} + 5 ( divide both sides by 3 )

x = ±\frac{\sqrt{\sqrt{19}+5 } }{3}

Separating the solutions

x = \frac{\sqrt{19}+5 }{3} → C

x = \frac{-\sqrt{19}+5 }{3} → F

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2x-y=-2 3x-3y=15 método gráfico
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Answer:

Cómo se vería si estuviera graficado:

2x−y=−2

3x−3y=15

Cómo se vería si lo resolviera graficando:

(−7,−12)

6 0
2 years ago
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Solve for n.<br> (8^n)^3 = 8^6<br> n=
pav-90 [236]

Answer:

2

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(x^{y})^z{}=x^{y*z}\\8^{3n}=8^6\\n=2

5 0
2 years ago
The measure of the supplement of an angle is three times the measure of the
gtnhenbr [62]
<h2>Answer:</h2>

<h3><em>x=45degrees</em></h3>

<h2>Step-by-step explanation:</h2>

Let the angle to be solved be x

Let the supplement/compliment by y

x+y=90 Complimentary angles add up to 90 degrees.

x+3y=180 Supplementary angles add up to 180 degrees, the other angle is thrice the other compliment.

Evaluating this as a system:

x+y=90 Isolate x:

x=90−y Input into the other equation:

(90−y)+3y=180 Combine like terms, isolate y and its coefficients:

2y=90 Isolate y

y=45 Input into the first equation:

x+45=90 Isolate x:

x=45degrees

5 0
3 years ago
A company manufacturers video games with a current defect rate of 0.95%. To make sure as few defective video games are delivered
RSB [31]
There would be about 19 defective products delivered.

First, let's start with the number of defective games. 
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Now, the test will catch 98% of those defects. That means 2% of the defects will get through to the consumers.
0.02 x 950 = 19
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When two variables have an inverse relationship, the slope is?
Temka [501]
When two variables have an inverse relationship, the slope is negatively correlated.
6 0
3 years ago
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