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Sedaia [141]
3 years ago
5

What is the 9th square number.

Mathematics
1 answer:
Gennadij [26K]3 years ago
3 0
81
Step by step explaination
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The formula for finding the perimeter, P, of a rectangle with length l and width w is given. P=2l+2w
Ivenika [448]

Answer:

The formula to determine the length of rectangle with perimeter and width is L = \frac{P - 2W}{2}

Step-by-step explanation:

Given as :

The perimeter of rectangle = P

The length of rectangle = L

The width of rectangle = W

∵ Perimeter of rectangle given as P = 2 × Length + 2 × Width

I.e  P = 2 L + 2 W

Or, 2 L = P - 2 W

∴     L = \frac{P - 2W}{2}

Hence The formula to determine the length of rectangle with perimeter and width is L = \frac{P - 2W}{2}    Answer

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3 years ago
In what time will the interest on $960 amount to $61.20 at 8.5% per annum?​
MrRa [10]

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$525 dollars

Step-by-step explanation:

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3 years ago
Aidan has $150. He wants to buy a book that is
olga_2 [115]

Answer:yes he has enough

Step-by-step explanation:

Markdown: 25% of 180. 25%x180 0.25x180=$45. The markdown is $45 sale price: 180-45=$135. Sales tax:8.25%x135 0.0825x135=11.1375(not rounded)=11.40(rounded) Add: 135+11.1375 to get 146.1375(not rounded)= 146.40(rounded)

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3 years ago
Solve the quadratic equation <br> X^2+3x-70=0
matrenka [14]

Answer:

X can either be 7, or -10. You can prove this by plugging in the numbers yourself :)

Step-by-step explanation:

Please mark as brainliest

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If A = (0,0) and B = (8,2), what is the length of AB
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Hope the picture will help you

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