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3 years ago

X+1/3y=4 in slope intercept form EXPLAIN

Mathematics

1 answer:

shepuryov [24]3 years ago

6 0

Answer:

−

To convert this equation to slope-intercept form, solve for

Subtract

from both sides.

−

Simplify

−

Multiply both sides times

−

(

)

−

(

)

Simplify.

−

Rearrange the right side.

−

Multiply both sides times

−

and

Step-by-step explanation:

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Select the two values of x that are roots of this equation. 2x+11x+15= 0

Amiraneli [1.4K]

Answer:

The roots of the equation are x=-3 and x=-2.5

Step-by-step explanation:

The correct quadratic equation is

2x^2+11x+15=0

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$2x^{2} +11x+15=0$

$a=2\\b=11\\c=15$

substitute in the formula

$x=\frac{-11(+/-)\sqrt{11^{2}-4(2)(15)}} {2(2)}$

$x=\frac{-11(+/-)\sqrt{121-120}} {4}$

$x=\frac{-11(+/-)\sqrt{1}} {4}$

$x=\frac{-11(+/-)1} {4}$

$x_1=\frac{-11(+)1}{4}=-2.5$

$x_2=\frac{-11(-)1}{4}=-3$

therefore

The roots of the equation are x=-3 and x=-2.5

5 0

3 years ago

The two right triangles below are similar what is x the missing side length in triangle DEF

sasho [114]

I think that the answer is C. 10

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3 years ago

Helppppppppppppppppppppppppppppppppppppppppppppppppppppp

DiKsa [7]

Answer:

8.40049 × 10^7

Step-by-step explanation:

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3 years ago

Help please, I’m timed.

Nadya [2.5K]

Answer:

Final answer is A. $P(A^c)=\frac{4}{7}$

Step-by-step explanation:

From table we see that there are 7 places in the list.

Event A = The place is city.

Then $A^c$ indicates the place is NOT city.

From table we see that there are 4 names "India, Peru, Canada, Mexico" which are not city.

Hence probability that the chosen place is not city is given by:

$P(A^c)=\frac{4}{7}$

Hence final answer is A. $P(A^c)=\frac{4}{7}$

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3 years ago

Since people are sad they missed my 50 points, here is 100 points for the first 2 to answer. First one gets branliest aswell.

svetoff [14.1K]

Ummm is there something I Guccie

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3 years ago