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alexgriva [62]
3 years ago
10

I need some help! please help me if you know the answers! will give brainliest!

Mathematics
2 answers:
miv72 [106K]3 years ago
7 0
C because you have to round and it would be C
Katyanochek1 [597]3 years ago
6 0
What he said lol XD
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A toxic radioactive substance with the density of 4 mg/cm² is detected in the been detected in the ventilating ducts that was us
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The formula for half-life is:

A = P(0.5)^{t/h}

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8 0
3 years ago
3n - 5p + 2n = 10p, solve for n
Alex17521 [72]
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4 0
3 years ago
Can someone help me please
Vladimir [108]

a) \:  \cos(39°)  =  \frac{x}{7} \Leftrightarrow x = 7\cos(39°) \approx5.44 \\ b) \:  \sin(46°) =  \frac{8}{x}  \Leftrightarrow x =  \frac{8}{\sin(46°)}  \approx11.12

8 0
3 years ago
If a 12 ounce box of cereal costs $3.84, how many ounces should be in a box marked $2.49?
Ivan

Answer:

  • 7.78 ounces

Step-by-step explanation:

<u>We know that:</u>

  • 12 ounce box of cereal = $3.84

<u>Work:</u>

  • 12/3.84 ounce box of cereal = $1
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  • => 7.78 ounces (Rounded to nearest hundredth) = $2.49

Hence, 7.78 ounces cost $2.49.

6 0
3 years ago
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