Mathematics, 22.05.2020 05:06 Crxymia

Ok i need help with this question

a−7=3(b+2)

Rearrange the equation so b is the independent variable.

Answers: 2

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Answer from: Flowershere121

The equation with "b" as the independent variable is "a = 3*b + 13".

Step-by-step explanation:

The dependent variable is the one that is a function of the value of the independent one. That means that usually the dependent variable is isolated in the left side of the equation, while the indepedent one is on the right side of the equation, therefore to make "b" the independent variable we must isolate "a" on the left side. We have:

a -7 = 3*(b + 2)

a = 3*(b + 2) + 7

a = 3*b + 6 + 7

a = 3*b + 13

Answer from: rashadtarrance0

a = 3 * b + 13

Step-by-step explanation:

I got this answer from Khan Academy.

Hope this helps! :)

Answer from: Quest

the system of inequity is

$y\leq -x+4$

$3y> x$

step-by-step explanation:

from the given graph it is noticed that we have two related lines. one is solid and another is dashed.

if a line passing through two points, then the equation of line is

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

the solid line passing through the points (0,4) and (4,0).

$y-4=\frac{0-4}{4-0}(x-0)$

$y=-x+4$

the related equation of solid line is $y=-x+4$ .

similarly, find the related equation of dashed line. the dashed liune passing through the points (0,0) and (3,1).

$y-0=\frac{0-1}{3-0}(x-0)$

$3y=x$

the related equation of dashed line is $3y=x$

from the given graph it is noticed that the point (0,1) lies on the shaded region, therefore the point (0,1) must be satisfied by the related equations.

check the related equations by the point (0,1).

$1=-0+4$

$1=4$

this statement is true if the sign of inequality is < instead of equality. since it is an solid line therefore the sign of inequality will be $\leq$ . the required inequality is

$y\leq -x+4$

similarly, check the second related equation.

$3(1)=0$

it is a dashed line, so this statement is true if the sign of inequality is > . the required inequality is

$3y> x$

15 points write a system of inequalities to represent the shaded portion of the graph

Answer from: Quest

27 + 13x + 15 = (x + 5)( =

step-by-step explanation:

27 + 13x + 15 = (x + 5)( = 27 + 13x + 15 = (x + 5)( = 27 + 13x + 15 = (x + 5)( =

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Ok i need help with this question

a−7=3(b+2)

Rearrange the equation so b is...

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