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3 years ago

45:PLEASE HELP Find the slope of the line described by: x-5y=-5

Mathematics

1 answer:

mart [117]3 years ago

3 0

Answer:

Side FE < Side DE < Side DF

Step-by-step explanation:

The traditional approach here is to solve x - 5y = -5 for y and then read off the coefficient of x (which is the desired slope):

-5y = -5 - x, or

5y = 5 + x

Then y = (1/5)x + 1. The slope is (1/5).

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Which number is a solution of the inequality? b > 11.3; 9 –14 15 4

marshall27 [118]

$b > 11.3\\\\9-NOT,\ because\ 9\ is\ not\ greater\ than\ 11.3\\-14-NOT,\ because\ -14\ is\ not\ greater\ than\ 11.3\\15-YES,\ because\ 15>11.3\\4-NOT,\ because\ 4\ is\ not\ greater\ than\ 11.3\\\\Answer:\ \boxed{15}$

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3 years ago

Find the value of a and of b for which<br>(a) the solution of x2 + ax < b is<br>-2<x < 4

KengaRu [80]

Answer: $a = -2$

$b = 8$

Step-by-step explanation:

Given :

$x^{2} +ax$

re - writing the equation , we have

$x^{2} +ax-b$

we need to find the value of a and b for which -2<x < 4 , this means that the roots of the quadratic equation are -2<x < 4.

The formula for finding the quadratic equation when the roots are known is :

$x^{2}$ - sum of roots(x) + product of root = 0

sum of roots = -2 + 4 = 2

product of roots = -2 x 4 = -8

substituting into the formula , we have:

$x^{2} -2x-8=0$ , which could be written in inequality form as

$x^{2} -2x-8$

comparing with $x^{2} +ax-b$ , it means that :

$a = -2$

$b = 8$

3 0

2 years ago

Mix number for 8x1/2

Paul [167]

Answer:

Step-by-step explanation:

Easy way to do this is;

8 _

8 * 2 = 16

16 + 1 = 17

17/2 = 8 , 1/2

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2 years ago

What are the four kinds of parabolas

Leya [2.2K]

Answer: Focus, Vertex, Axis, and Directrix.

Step-by-step explanation:

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2 years ago

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Diano4ka-milaya [45]

Answer:

It is D) 4/5

Step-by-step explanation:

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3 years ago

Read 2 more answers