2 years ago

2x-8≥-11 what is x in simplest form

Mathematics

1 answer:

xenn [34]2 years ago

5 0

X is greater than or equal to 1.5

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The volume of a room is 640 cubic feet. If the length is 10 feet and the width is 4 feet, find the heigh

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Answer:

Step-by-step explanation:

10 · 4 = 40

640/40= 16

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2 years ago

Which is the complete factorization of this expression -25x-25

Annette [7]

Factor −25x−25

−25x−25

=−25(x+1)

Answer:

−25(x+1)

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2 years ago

Read 2 more answers

In a geometric sequence, if a3 = ‒5 and a6 = 40, determine a1, r, and an. Then write the first three terms of the sequence.

Tresset [83]

$a_4=ra_3$
$a_5=ra_4=r^2a_3$
$a_6=ra_5=r^3a_3$

$40=-5r^3\implies r^3=-8\implies r=-2$

$a_3=ra_2=r^2a_1$

$-5=(-2)^2a_1\implies a_1=-\dfrac54$

You know the first and third terms, $a_1$ and $a_3$ , so you just need to find the second term $a_2$ :

$a_2=ra_1\implies a_2=-2\left(-\dfrac54\right)=\dfrac52$

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2 years ago