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givi [52]
2 years ago
6

Evaluate the expression (-1/2)^3

Mathematics
2 answers:
Vinil7 [7]2 years ago
6 0
-1/8 is the anwser. Hope this helps!
Murrr4er [49]2 years ago
3 0

Answer:

-1/8 is correct answer

please mark me brainliest

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Goshia [24]
200 cm is the answer
4 0
3 years ago
What is the general term equation, an, for the arithmetic sequence 5, 1, â3, â7, . . . , and what is the 21st term of this seque
Valentin [98]
Hello :

the nth term ( general term  of an arithmetic sequence is :

An =A1+(n-1)d   ....a common difference is : d , A1 : the first terme
A1 = 5    and : d = 1 - 5 = - 4    n = 21
A21 = 5 + (21 -1)(-4)
A21 = 5 - 80 = -75

<span>                                      
</span>

3 0
3 years ago
The table below lists the masses and volumes of several pieces of the same type of metal. There is a proportional relationship b
castortr0y [4]
 
<span>∵ There is a proportional relationship between the mass and the volume of the places of metal.
Let volume = v and mass = m
So, the relation between volume and mass will take the form:
        v = km
where k is constant and can be calculated as follow:
when m = </span><span>34.932 , and v = 4.1   ⇒⇒⇒ k = v/m = 0.117371
</span>when m = 47.712<span> , and v = 5.6   ⇒⇒⇒ k = v/m = </span>0.117371
when m = 61.344 , and v = 7.2   ⇒⇒⇒ k = v/m = <span>0.117371
when m = </span>99.684 , and v = 11.7  ⇒⇒⇒ k = v/m = <span>0.117371

∴ v = 0.117371 m
</span>
For  v =<span>15.3
∴ m = v/k = 15.3/0.117371 = 130.356 </span><span>gram

</span>The mass of a piece of this metal that has a volume of 15.3 cubic centimeters ≈ 130.4 gram (<span>round to the nearest tenth</span>)











3 0
3 years ago
Read 2 more answers
Solve for f<br><br> d(v)=2.15v^2 / 64.4f
patriot [66]
f= \frac{0.03338509v}{d}

Hope this helps. :)
4 0
3 years ago
What is 8x squared +7=0 using the quadratic formula
lisabon 2012 [21]
I think you mean 8x^2 + 7 =0
a = 8 b = 0 c = 7
x= [-b +- square root (b^2 - 4*a*c)] / 2a
x = [0 +-  square root (0 - 4*8*7)] / 2*8
x = +- square root (-224) / 16
x = +- <span> <span> <span> 14.9666295471 * i </span> </span> </span> / 16
x = + <span> <span> <span> 0.9354143467 </span> </span> </span> i
x = - <span> <span> 0.9354143467 </span> </span> i
5 0
2 years ago
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