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fenix001 [56]
2 years ago
6

There are 8 students on the minibus. Five of the students are boys. Whqt fraction of the students are boys?

Mathematics
1 answer:
MaRussiya [10]2 years ago
4 0
It has to be 5 out of 8 stidents are boys
5/8
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Could someone help me, please?
k0ka [10]

We can rewrite the expression under the radical as

\dfrac{81}{16}a^8b^{12}c^{16}=\left(\dfrac32a^2b^3c^4\right)^4

then taking the fourth root, we get

\sqrt[4]{\left(\dfrac32a^2b^3c^4\right)^4}=\left|\dfrac32a^2b^3c^4\right|

Why the absolute value? It's for the same reason that

\sqrt{x^2}=|x|

since both (-x)^2 and x^2 return the same number x^2, and |x| captures both possibilities. From here, we have

\left|\dfrac32a^2b^3c^4\right|=\left|\dfrac32\right|\left|a^2\right|\left|b^3\right|\left|c^4\right|

The absolute values disappear on all but the b term because all of \dfrac32, a^2 and c^4 are positive, while b^3 could potentially be negative. So we end up with

\dfrac32a^2\left|b^3\right|c^4=\dfrac32a^2|b|^3c^4

3 0
3 years ago
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ICE Princess25 [194]

Answer:

Step-by-step explanation:

8/3 = 2.6666 (repeating 6)

so rounded about 2.7 minutes per lap :)

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3 years ago
Find cos(2theta) if cos(theta)= 3/4
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Sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta) sin(2theta) would it be 2 x (8/17) cos(2theta) would be 2 x (15/17) tan(2theta) would be 2 x (8/17 divided by 15/17) is this correct?
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Consider this power.<br><br><br>(–4) –3
aksik [14]

Answer:

12? I'm not sure. That's the answer I think?

4 0
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b

Step-by-step explanation:

The median price is between $20,000 and $30,000.

i got it right on the quiz :)

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2 years ago
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