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igomit [66]
3 years ago
7

Anne practiced piano for x hours. Steve practiced piano three more hours than Anne. Kate practiced piano five times as long as S

teve. Which expression represents the total time they practiced piano? A x + 3 + 5x B x + 5(x + 3) C x + x + 3 + 5x D x + x + 3 + 5(x + 3)
Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
4 0
The answer should be D) x+(x+3)+5(x+3)
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A high-interest savings account pays 5.5% interest compounded annually. If $300 is deposited initially and again at the first of
inessss [21]
That is an annuity and use the attached formula.

Total = 300 * [(1.055)^11 -1] / .055 -300
Total = 300 * <span> <span> <span> 1.8020924036  </span> </span> </span> -1 /.055 -300
Total = 300 * <span>.8020924036 / .055 - 300
</span>Total = 300 * <span> <span> <span> 14.5834982473 </span> </span> </span> -300
Total = <span> <span> <span> 4375.0494741818 </span> </span> </span> -300
Total = <span>4075.05


</span>

4 0
3 years ago
The value of $y$ varies inversely as $\sqrt x$ and when $x=2$, $y=4$. What is $x$ when $y=1$?
Dovator [93]
$x=3$ I think that’s it... try that
4 0
3 years ago
Express x in terms of the other variables in the diagram below:
GrogVix [38]
For the answer to the question above, just <span>use similar triangles. 
</span>Here's the equations that I used.

<span>t/h = (x + t) / r </span>
<span>x + t = rt / h </span>
<span>x = rt / h - t 
I hope my answer helped you in your problem, Have a nice day</span>
6 0
3 years ago
Read 2 more answers
Which of the following operations could you perform on both sides of the given equation to solve it? check all that apply. 8x -
antiseptic1488 [7]
8x-2x=24+6
6x=30
6x/6=30/6
x=5
3 0
4 years ago
The difference between 4 and the product 6x is 40
mylen [45]
Write an equation like this...
4 - 6x = 40 
x = -6

Check:
4 - (6 x -6)
4 - (-36)
* A "-" symbol and "-" symbol equal a "+" sign
So...
4 + 36 = 40

Hope this helps! :3
6 0
3 years ago
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