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2 years ago

Solve and graph y>3x y>-x-8

Mathematics

1 answer:

OleMash [197]2 years ago

4 0

Answer: it’s says the equation is solved here’s the graph

Step-by-step explanation:

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Use substitution to solve the following system of linear equations and fill in the following blanks:

marissa [1.9K]

Answer:

$x=-4$

$y=3$

$z=-5$

Step-by-step explanation:

Given:

$x+y+z=-6$

$x-6y-7z=-29$

$-7y-5z=4$

Solve for $x$ in the 1st equation:

$x+y+z=-6$

$x+y=-z-6$

$x=-y-z-6$

Substitute the value of $x$ into the 2nd equation and solve for $z$ :

$x-6y-7z=-29$

$(-y-z-6)-6y-7=-29$

$-7y-z-13=-29$

$-7y-z=-16$

$-z=-16+7y$

$z=16-7y$

Substitute the value of $z$ into the 3rd equation and solve for $y$ :

$-7y-5z=4$

$-7y-5(16-7y)=4$

$-7y-80+35y=4$

$28y-80=4$

$28y=84$

$y=3$

Plug $y=3$ into the solved expression for $z$ and evaluate to solve for $z$ :

$z=16-7(3)$

$z=16-21$

$z=-5$

Plug $z=-5$ into the solved expression for $x$ and evaluate to solve for $x$ :

$x=-(3)-(-5)-6$

$x=-3+5-6$

$x=2-6$

$x=-4$

Therefore:

$x=-4$

$y=3$

$z=-5$

6 0

3 years ago

What is (x+3) (2x squared+x-3) polynomials

Whitepunk [10]

I'm pretty sure it's 4x+6x²-9

7 0

3 years ago

What is the probability of pulling a heart

maw [93]

Answer: The probability of drawing a heart out of the deck is 13/52, or 1/4. The probability of drawing an even number as card #2 (c∈{2,4,6,8,10}) for any suit is 20/51, except when the first card drawn is an even heart, then the probability of the second draw is 19/51.

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Which is the graph of y = RootIndex 3 StartRoot x EndRoot?

aivan3 [116]

Given:

The equation is:

$y=\sqrt[3]{x}$

To find:

The graph of the given equation.

Solution:

We have,

$y=\sqrt[3]{x}$

The table of values is:

x y

-8 -2

-1 -1

0 0

1 1

8 8

Plot these points on a coordinate plane and connect them by a free hand curve as shown in the below graph.

4 0

3 years ago

Read 2 more answers

11/20+ c=3/4 what is the answer

Ierofanga [76]

Answer:

Step-by-step explanation:

Given that,

11/20 + c = 3/4

Subtract 11/20 from both sides of the equation to eliminate 11/20

11/20-11/20+c=3/4-11/20

c= (15-11)/20

c=4/20

c=1/5

5 0

3 years ago