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Rufina [12.5K]
2 years ago
7

Multiply the expression (1/3 m-n)^2​

Mathematics
2 answers:
denis23 [38]2 years ago
7 0
Answer : 1/4 m^2 -mn + n^2
nataly862011 [7]2 years ago
6 0

Answer:

{(

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Sasha's bank account earns 4% simple interest. How much must she deposit in the account today if she wants it to be worth $1,000
Serhud [2]

If Sasha wants her account to be worth $1,000 in 5 years, then she must deposit $833.34.

<h3>What is simple interest?</h3>

Simple interest is a method of calculating interest on an amount for n period of time with a rate of interest of r. It is calculated with the help of the formula,

SI = PRT

where SI is the simple interest, P is the principal amount, R is the rate of interest, and T is the time period.

Sasha's bank account earns 4% simple interest. Therefore, if she wants it to be worth $1,000 in 5 years then the principal amount must be,

Account balance = PRT + P

$1,000 = P[(0.04×5)+1]

$1,000 = 1.2 P

P = $833.34

Hence, if Sasha wants her account to be worth $1,000 in 5 years, then she must deposit $833.34.

Learn more about Simple Interest:

brainly.com/question/2793278

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2 years ago
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Yanka [14]

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69.4 inches

Step-by-step explanation:

62 + 72 + 73 + 69 + 71 = 347

347 / 5 = 69.4

7 0
3 years ago
An escalator in a department store is to carry people a vertical distance of 18 feet between floors. How long is the escalator i
melisa1 [442]
Drawing out the triangle, we get the one below. We can use the trigonometric ratio of tan to solve this problem.
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x= \frac{18}{tan40}
x=21.5

:)

6 0
3 years ago
I will give brainliest answer
Llana [10]

Answer:

Delta = |a b d; b c f; d f g|

(2)

J = |a b; b c|

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I = a+c

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K = |a d; d g|+|c f; f g|.

Step-by-step explanation:

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Which statement best describes the expression 3 + y ÷ 2?
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Hrmmmm let's see here... 
the fourth statement
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3 years ago
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