4 years ago

For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.

Mathematics

1 answer:

aleksklad [387]4 years ago

8 0

30 Lightbulbs
Hope this helps

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<img src="https://tex.z-dn.net/?f=45%3D9%5E%7B%5Csqrt%7Bx%7D%20%7D" id="TexFormula1" title="45=9^{\sqrt{x} }" alt="45=9^{\sqrt{x

timama [110]

Answer:

Step-by-step explanation:

a= b^c << === >> logb(a) = c

a b c

Convert 45 = 9^√x << === >> log9 (45) = √x

1.7324867604 = √x

3.0 = x squared both sides

I used a log calculator on the internet when a Gaggled log calculators

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3 years ago

T + 3t - 7 = 4t - 7???

kupik [55]

$t+3t-7=4t-7\\\\4t-7=4t-7\ \ \ \ \ |subtract\ 4t\ from\ both\ sides\\\\-7=-7-TRUE\\\\infinitely\ many\ solutions;\\each\ number\ is\ a\ root\ of\ the\ equation\\\\t\in\mathbb{R}$

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4 years ago

Read 2 more answers

If ABC is congruent to DEC, angle B = 50 degrees and angle E = 5x x=

Anarel [89]

Because base angles are congruent, both angle A and B are congruent. If the two triangles are congruent, then the base angles are the same, meaning 5x=50*. Divide by 10 and you get the answer of x=5. :) Hope this helps!

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3 years ago

Write an equation for a line parallel to y=−4x+5 and passing through the point (4,-21)

Sindrei [870]

Answer:

Y=-4x-5

Step-by-step explanation:

-21=-4(4)+b

-21=-16+b

b=-5

y=-4x-5

3 0

4 years ago

Read 2 more answers

Rationalize the numerator of (√(3)-9)/4.<br><br>When I get -78/4√(3)+36. Is that correct?

Zina [86]

That's what I got. to rationalize the numerator you have to multiply by the conjugate, in this case (√3 + 9) / (√3 + 9), which is what it looks like you did.
hope this helps! if you liked this answer please rate it as brainliest!! thank you!!!

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3 years ago