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erik [133]
3 years ago
14

Description of how a diagram can help you solve 2 x 40.

Mathematics
1 answer:
Gwar [14]3 years ago
5 0

Answer:

2 x 40 is = 80

Step-by-step explanation:

i hope that helps

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Evaluate sin^2Θ, for Θ=45°
Zielflug [23.3K]

Answer:

sin^2(45) = (√2/2)^2 = 1/2

Step-by-step explanation:

sin2x = sin2 * x = 0.909x

sin(2(45)) = sin90 = 1

Hope this helps.

3 0
3 years ago
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Suppose you invest $1,600 at an annual interest rate of 4.6% compounded continuously how much will you have in the account after
DanielleElmas [232]
Total = Principal * e^(rate*years)
where "e" is the mathematical constant 2.71828182828459
Total = 1,600 * e(.046*4)
Total = 1,600 * 2.71828182828459^(.184)
Total = 1,600 * <span> <span> <span> 1.2020158231 </span> </span> </span>
Total = <span> <span> <span> 1,923.23</span></span> </span>

Source:
http://www.1728.org/rate2.htm





8 0
3 years ago
Maria jogged 3 miles in 3/5 hour. Kari jogged 2 1/2 miles in 1/2 hour. Tell whether each statement is True or False.
Margaret [11]

Answer:

I believe this is correct

A is FALSE

B is TRUE

C is FALSE

3 0
3 years ago
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Jo says she can find the percent equivalent of 3/4 by multiplying the percentage equivalent of 1/4 by 3. How can you use a perce
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You can by filling 1 out of 4 bars then multiply the shaded bars by 3<span />
4 0
3 years ago
What is the largest value in the sequence generated by the formula an = –n2 + 6n – 7?
Karolina [17]
Derive the equation and equate the derivative to zero.
                              dan/dt = -2n + 6 = 0
The value of n in the equation is 3. We substitute 3 to the original equation,
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The answer to this item is letter B. 
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3 years ago
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