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Rzqust [24]
2 years ago
7

Shaun is building a fence around his yard.The dimensions of the area he is fencing is 20.5 yd by 11.25 yd. Shaun has calculated

that he will need 112 pieces of fencing to complete this project. If each piece of fencing costs $27.21, about how much will it cost Shaun to complete this project ? Justify your answer
Mathematics
1 answer:
Arlecino [84]2 years ago
8 0

Answer:

3047.52

Step-by-step explanation:

If you do the amount of pieces that they need is 112, and it costs 27.21 per piece, then what you have to do is 112*27.21

112 * 27.21 is 3047.52

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Dane is investing $150,000 for 30 years at an annually compounded rate of 5.5%. What is the difference between his ending accoun
navik [9.2K]
<span>Total = Principal × ( 1 + Rate )<span>^years
</span></span><span>Total = 150,000 * (1.055) ^ 30
</span>Total = 150,000 * <span> <span> <span> 4.9839512884
</span></span></span>Total = <span> <span> <span> 747,592.69</span></span></span>

<span>Total = 150,000 * (1.065) ^ 30
</span><span><span><span>Total = 150,000 * 6.614366163 </span> </span> </span>
<span>Total = 992,154.92</span>

Difference = 992,154.92 -<span>747,592.69 =
</span><span>244,562.23 </span>

Source:
http://www.1728.org/compint.htm
online interest calculator



7 0
3 years ago
A triangle has sides of length 2, 2, and 3. Which of the following is the measure of the obtuse angle of the triangle?
kramer

Answer:

97.18^{\circ}

Step-by-step explanation:

An obtuse angle in the triangle is opposite to the greatest side. The greatest side in the triangle with sides lengths 2, 2 and 3 is side with length 3. By the cosine rule,

3^2=2^2+2^2-2\cdot 2\cdot 2\cdot \cos \alpha,\\ \\9=4+4-8\cos \alpha,\\ \\-8\cos \alpha=9-4-4=1,\\ \\\cos \alpha=-\dfrac{1}{8},\\ \\\alpha\approx 97.18^{\circ}.

7 0
4 years ago
Which expression has the same value as the one below 10+(-34)
AlekseyPX
10 + (-34) is the same as 10 - 34, for adding a negative number is the same as subtracting the two numbers

remember, one positive and one negative = negative (as it is the same as +1(-34)



B is your answer
3 0
3 years ago
Read 2 more answers
2/5, -2/5, 5/6, -5/6. Which list of numbers is ordered from least to greatest
g100num [7]

Answer:

-5/6, -2/5, 2/5, 5/6

Step-by-step explanation:

put the fractions in your calculator and then click the fraction to decimal button and press enter.

6 0
3 years ago
| 18 - (-13) | <br><br><br> it’s subtracting integers
Anna35 [415]
Answer: 31

How: If there are two negative signs like this, you would connect them together and make it into a addition sign where you then can add them.
7 0
3 years ago
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