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skelet666 [1.2K]
2 years ago
8

Solve the system of equations by substitution. y= -x-2 3x+3y=6

Mathematics
2 answers:
Orlov [11]2 years ago
8 0
Substitute -x-2 for y in 3x+3y=6
3x+3y=6
3x+3(-x-2)=6
-6=6 (Simplify both sides of the equation)
-6+6=6+6 ( add six to both sides)
0=12

Answer: No Solutions

Hope this helped

sergejj [24]2 years ago
8 0
It would be no solution
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Answer:

r=\sqrt{\frac{3V}{\pi\ h}}

Step-by-step explanation:

The volume of cone is given by:

V=\frac{1}{3}\pi\ r^2\ h

where r is the radius of the base and h is the height of the cone.

We need to solve for r

we have V=\frac{1}{3}\ \pi\ r^2\ h

Multiplying both sides by 3 to remove \frac{1}{3}

⇒ 3\times V=3\times \frac{1}{3}\ \pi\ r^2\ h

⇒ 3V=\pi\ r^2\ h

dividing both sides by \pi\ h

⇒ \frac{3V}{\pi\ h}=\frac{\pi r^2 h}{\pi\ h}

⇒ \frac{3V}{\pi\ h}=r^2

Taking square root both sides:

⇒ \sqrt{\frac{3V}{\pi\ h}}=\sqrt{r^2}

⇒ \sqrt{\frac{3V}{\pi\ h}}=r

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3 0
3 years ago
Read 2 more answers
When x = 3, y = 4. What is y when x = 12?
alexdok [17]

Answer:

A)3

Step-by-step explanation:

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3 years ago
4.1 or 4.085 greater​
oksano4ka [1.4K]

Answer:

4.1 >

Step-by-step explanation:

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Notice that when y = 2, X = 9 so point p = (9, 2)      <em>see graph</em>

The distance from a to p = 3√2

The distance from b to p = 5√2

So the ratio of a:b = 3√2:5√2       = 3:5  <em>when simplified</em>

<em />

<em>To find the distance, use the distance formula OR pythagorean theorem.</em>

7 0
3 years ago
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