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Margaret [11]
2 years ago
15

Can someone explain how the solution doesnt have a negative answer i.e (-pi/3)

Mathematics
1 answer:
galben [10]2 years ago
5 0
As far as I can tell you are correct. The correct answer for x should be
-pi/3

If you plug x=+pi/3 into the expression cos(x/2 + pi/6), it ends i equaling 1/2, not 0.
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The answer is B as I believe
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1. 7/8 + 1 1/2 =<br> 2. 268.97 + 38.659 =<br> 3. 2 3/4 - 2/3 =<br> 4. 870.45- 96.38=
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2. Equals 307.629 because if you line up the decimals when you and then you should get your right answer
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I tried to answer this question but I can’t find the answer
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For accounting purposes, the value of assets (land, buildings, equipment) in a business are depreciated at a set rate per year.
Scrat [10]

Answer:

So, option d is correct i.e,

V₀ = $393,000, b = 0.85, and the value after 7 years is $125,986.80

Step-by-step explanation:

The formula given is V(t)=V₀(b)^t

The value of V₀ (the actual worth) is:

V₀ = $393,000

The value of b is :

b= (1-15%) = (1-0.15) = 0.85

Value of assets after 7 years is:

t= 7, V₀ = $393,000, b=0.85

putting values in formula:

V(t) = Vo(b)^t.

V(7)= $393,000 * (0.85) ^ 7

V(7)= $393,000 * (0.320)

V(7)= $125986.80

So, option d is correct i.e,

Vo = $393,000, b = 0.85, and the value after 7 years is $125,986.80

4 0
3 years ago
Can someone help me with this and explain it to me please? :)<br><br> CHECK ATTACHED
babymother [125]
23. not equivalent because the first row 3x-9y=5 then if you multiplied this equation by 2 it will be 2(3x-9y) = 2(5) so 6x-18y= 10 not 6x-9y=10


24.equivalent because the second row 2y-6x=8 multiplied by 2 is 2(2y-6x)= 2(8) so 4y-12x=16

25. equivalent because the first row 5x+3y=19 multiplied by 2 is 2(5x+3y) = 2(19) SO 10X+6Y=38 and the second row 2x+4y=20 multiplied by 5 is 5(2x+4y)= 5(20) so 10x+20y=100
4 0
2 years ago
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