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alexgriva [62]
3 years ago
14

Calculate 25.13 -(4.6²-3x5)​

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0
18.97 is the answer i believe
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$1 invested for 1 Year at 7.2% compound semiannually
WITCHER [35]

Answer:

Sum = $1.073

Interest = $0.073

Step-by-step explanation:

Given that $1 is invested for one year at 7.2% interest which compounds semi-annually.

Semi-annual means there should be two equal intervals in a year i.e. 6 months interval.

Now, the semi-annual rate of interest is \frac{7.2}{2} = 3.6%.

Therefore, the invested money will become 1\times [1 + \frac{3.6}{100} ]^{2}  

= $1.073

Therefore, the interest obtained will be $(1.073 - 1) = $0.073. ( Answer )

7 0
3 years ago
What is the circumference of a circle with a radius of 16mm
svet-max [94.6K]

Answer:

100.48

Step-by-step explanation:

π = 3.14

C = circumference

To find the circumference for a circle you must do 2 times pie times the radius.

(2·π·16)

In this case the radius is 16.

2·π = 6.28

6.28 · 16 = 100.48

5 0
3 years ago
Find the Maclaurin series for f(x) using the definition of a Maclaurin series. [Assume that f has a power series expansion. Do n
Darina [25.2K]

Recall that for |<em>x</em>| < 1, we have

\displaystyle \frac1{1-x} = \sum_{n=0}^\infty x^n

Differentiating both sides gives

\displaystyle \frac1{(1-x)^2} = \sum_{n=0}^\infty nx^{n-1} = \sum_{n=0}^\infty (n+1)x^n

and multiplying both sides by 8 gives the series for <em>f(x)</em> :

f(x)=\displaystyle \frac8{(1-x)^2} = \boxed{8\sum_{n=0}^\infty (n+1)x^n}

and this converges over the same interval, |<em>x</em>| < 1, so that the radius of convergence is 1.

4 0
3 years ago
How can you use the transformation to prove two triangles are congruent
Alla [95]
You could use a translation to move one to the same position as the other and compare if they have the same orientation (like both are pointing up).
If not, you could use rotation to do so, then use translation. Sometimes even reflections might work, but that's a bit more complex.
6 0
3 years ago
Crew B earns $315 after 3 hours, $525 after 5 hours and $735 after 7 hours of work
Montano1993 [528]
315+210 =525  525+210=735 735+210=945

after 7 hours of work they have earn 945

any question ?
5 0
3 years ago
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