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ella [17]
3 years ago
12

a school is building a square shed that is 5 meters long on each side however before the construction begins school management d

ecides to halve the length of the shed on all sides by how much would the area of the square shed decrease?
Mathematics
1 answer:
nadezda [96]3 years ago
7 0
It would decrease 2.5
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Solve the problem. Susan purchased some municipal bonds yielding 7% annually and some certificates of deposit yielding 9% annual
romanna [79]
The equations would be 

<span>Value: b + c = 19000
Interest: 0.07b + 0.09c = 1590

</span>0.07b + 0.09 (19,000 - b) = 1,590 
0.07b + 1,710 - .09b = 1,590 
<span>120 = .02b
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B = 6,000 
<span>C = 13,000
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So the correct answer is </span><span>d. $6000 in bonds; $13,000 in certificates of deposit.
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Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help. 
6 0
3 years ago
Estimate 60% of 52 (WITH WORK!)
Maru [420]

Answer:

Step-by-step explanation:

52 is 100%

you divide 52 by 10 to get 10%

5.2*6(because 60%)

=31.2

3 0
3 years ago
Samuel orders four DVDs from an online music store. Each DVD costs $9.96. He has a 25% discount code, and sales tax is 7.75%. Ro
Mumz [18]

Samuel's order will ultimately cost $39.84.

One DVD Samuel purchased cost $9.96.

He purchased four DVDs in total.

as a result, his total outlay will be 4 * 9.96 = $39.84.

The 7.75% sales tax that must be paid is disclosed to us.

Adding 7.75% to $39.84 yields

39.84 x 7.75/(100) (100)

= $3.0876

Consequently, the total amount of tax due is $3.0876.

Using 25% of 39.84 to calculate a 25% discount,

39.84 x 25/100

= 996/100

=$9.96

Consequently, the total discount on the total of $39.84 will be $9.96.

as a result, the updated purchase price will be,

39.84-9.96

=$29.88

adding the tax to the updated price,

9.96+29.88

= $39.84

Consequently, Samuel's order will ultimately cost $39.84.

<h3>How are percentages calculated?</h3>

One must compute percentage in order to determine the proportion of a whole that is stated in terms of 100. A percentage can be determined using one of two methods:

using the unitary method.

by changing the fraction's denominator to 100.

It should be noted that the second method of percentage computation is not used when the denominator is not a factor of 100. In these circumstances, we make use of the unitary approach.

To learn more about percentage visit:

brainly.com/question/24877689

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3 0
1 year ago
Find the length of a diagonal of a rectangular box of length 12 cm, width 5 cm and height 4 cm.​
Nezavi [6.7K]

Answer:13

Step-by-step explanation:

this is an phythagoras question

12 x 12 = 144

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4 0
2 years ago
Read 2 more answers
Please help me
LuckyWell [14K]
It's a quadratic function
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3 years ago
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