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Zina [86]
3 years ago
6

Alex wants to have $3000 in his bank account after 4 years. If the account earns 6% interest compounded 2 times per year, how mu

ch should he put in? Round to the nearest cent. A. $2863.32 B. $2238.36 C. $2633.82 D. $2368.23
Mathematics
2 answers:
olasank [31]3 years ago
7 0
3000 = p( 1 + .06/2)^(4 * 2) 

3000 = p(1.03)⁸ 

p = 3000/ 1.03⁸ 

p = 2368.2277029 

<span>$2368.23 <-----</span>
lesantik [10]3 years ago
3 0
3000 = p( 1 + .06/2)^(4 * 2) 

<span>3000 = p(1.03)⁸ </span>

<span>p = 3000/ 1.03⁸ </span>

<span>p = 2368.2277029 </span>

<span>$2368.23 <-----</span>
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What are all of the real roots of the following polynomial? f(x) = x5 + 5x4 - 5x3 - 25x2 + 4x + 20
Nadusha1986 [10]
F(x)=x^5 + 5*x^4 - 5*x^3 - 25*x^2 + 4*x + 20

By examining the coefficients of the polynomial, we find that
1+5-5-25+4+20=0 => (x-1) is a factor
Now, reverse the sign of coefficients of odd powers,
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By the rational roots theorem, we can continue to try x=2, or factor x-2=0
2^5+5(2^4)-5(2^3)-25(2^2)+4(2)+20=0
and similarly f(-2)=0
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Answer: The real roots of the given polynomial are: {-5,-2,-1.1.2}

8 0
3 years ago
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Which statement shows the associative property of addition?
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Answer:

D

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3 0
3 years ago
Solution -9-8(1+4h)= -17
geniusboy [140]
Step 1. <span>Add </span>9<span> to both sides

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Step 2. Simplify -17+9 to -8

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Step 3. Divide both sides by -8

1+4h=1

Step 4. Cancel 1 on both sides

4h=0
 Step 5. Divide both sides by 4

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Done! :) Hope this helps! :)

To check -9-8(1+4h)=-17 follow these steps below:

Step 1. Let h = 0

-9-8*(1+4*0)=-17

Step 2. Simplify 4 * 0 to 0

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Step 3. Simplify 1 + 0 to 1

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<span>
Step 4. </span><span>Simplify  8 * 1 to 8
</span>
-9-8=-17
<span>
Step 5. </span><span>Simplify -9 -8 to -17
</span><span>
</span>-17=-17
<span>
Done! :)
 </span>
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3 years ago
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butalik [34]

the final temperature was -2 F, and that reflects a drop of 13 units, so


-2------0------------------------------------------------------+11.

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Which is equal to cos47°?
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Answer B

7 0
2 years ago
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