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3 years ago

B / 9 - 9 = 14 what is the value of b?

Mathematics

1 answer:

Aleks04 [339]3 years ago

6 0

The value of b is 207

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What is the value of n in the equation 0=18+128n^2?

lbvjy [14]

Answer:

$\large\boxed{\text{no soltion in the set of real numbers}}\\\boxed{n=-\dfrac{3}{8}i\ \vee\ n=\dfrac{3}{8}i\ \text{in the set of complex numbers}}$

Step-by-step explanation:

$18+128n^2=0\qquad\text{subtract 18 from both sides}\\\\128n^2=-18\qquad\text{divide both sides by 128}\\\\n^2=-\dfrac{18}{128}\\\\n^2=-\dfrac{18:2}{128:2}\\\\n^2=-\dfrac{9}{64}$

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3 years ago

I need help! ASAP!!!

Arisa [49]

Answer:

Step-by-step explanation:

The formula of a surface area of a rectangular prism:

$S.A.=2(lw+lh+wh)$

l - length

w - width

h - height

We have l = 15 mm, w = 3 mm, h = 4 mm. Substitute:

$S.A.=2(15\cdot3+15\cdot4+3\cdot4)=2(45+60+12)=2(117)=234$

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3 years ago

Find the length of the third side. If necessary, write in simplest radical form.

pychu [463]

Answer: 84 is your answer hope this helped

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Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Elapsed time 2 hr 37 min, end time: 1:15. start time?

3241004551 [841]

Answer:

10:38

Step-by-step explanation:

2 hours back from 1:15

11:15

37 minutes back from 11:15

10:38

The start time is 10:38.

6 0

3 years ago

Read 2 more answers

Is the work shown below correct? Explain your answer.

riadik2000 [5.3K]

(11 + 21) - ( 3 - 100 )
= 32 + 97
= 129

or (11+21)-(3+100)
= 32 - 103
= - 71

I have no idea about your topic but hope it's right! Good luck

8 0

3 years ago