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3 years ago

35 POINTS PLEASE HELP

Mathematics

1 answer:

erik [133]3 years ago

7 0

Answer: i think the lcd would be (x+4) (x+5) this would be your lcd

Step-by-step explanation: this would be you simplified answer3/x+5 that would be it's simplest form

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3. Solve the inequality –2(z + 5) + 20 > 6.

12345 [234]

$\boxed{-2\left(z+5\right)+20>6\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:z$

Solution:

Given inequality is:

$-2(z+5)+20>6$

We have to solve the given inequality

$-2\left(z+5\right)+20>6\\\\\mathrm{Subtract\:}20\mathrm{\:from\:both\:sides}\\\\-2\left(z+5\right)+20-20>6-20\\\\\mathrm{Simplify}\\\\-2\left(z+5\right)>-14$

$Multiply\ both\ sides\ by\ -1\ \left(reverse\:the\:inequality\right)$

Whenever we multiply or divide an inequality by a negative number, we must flip the inequality sign

$\left(-2\left(z+5\right)\right)\left(-1\right)$

Thus the solution to inequality is:

$-2\left(z+5\right)+20>6\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:z$

4 0

3 years ago

Solve −x+5≤4 or 2x+3≥−1 and write the solution in interval notation.

serg [7]

Answer:

Step-by-step explanation:

$\left \{ {{-x+5\leq 4} \atop {2x+3\geq -1}} \right.$ ⇒ $x\geq 1\\2x\geq 4\\x\geq -2$

$x \geq -2\\(-2,+ { \infty} )$ (Answer)

6 0

2 years ago

The zeros of function d are -3 and 8 which expression could be a factor of function d?

galina1969 [7]

Answer:

x + 3

Step-by-step explanation:

When you substitute the x for -3, it will equal 0. This means it's a zero of the function.

5 0

3 years ago

You went to the department store for back to school shopping in picked out six shirts and four pairs of pants with the total wor

aleksklad [387]

x is shirt y is pants 6x+4y=170. 170-6.3-4.5=132

3 0

3 years ago

Nas funções f(x) = -3x+9; f(x) = 2x-4 e f(x) = 5x-5, caso construamos seus respectivos gráficos, informe respectivamente os pare

Likurg_2 [28]

1st option

{(3,0) e (0,9)}; {(2,0) e (0,-4)}; {(1,0) e (0,-5)}

see screenshot

sorry btw, no hablo espanol

8 0

3 years ago