3 years ago

Which inequality is true if p=3.4? A.3p<10.2 B.13.6≤3.9p C.5p>17.1 D.8.5≥2.5p

Mathematics

1 answer:

Lapatulllka [165]3 years ago

3 0

Answer:

Step-by-step explanation:

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2 $x^{2}$ -16=0

+16 +16

2 $x^{2}$ =16

÷2 ÷2

$x^{2}$ = 8

$\sqrt{x^{2} }$ = $\sqrt{8}$

x= $\sqrt{8}$

-5 $x^{2}$ +9=0

-9 -9

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÷-5 ÷-5

$x^{2}$ =1.8

$\sqrt{x^{2} }$ = $\sqrt{1.8}$

x= $\sqrt{1.8}$

6 $x^{2}$ -15=27

+15 +15

6 $x^{2}$ =42

÷6 ÷6

$x^{2}$ =7

$\sqrt{x^{2} }$ = $\sqrt{7}$

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