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CaHeK987 [17]
3 years ago
7

Find all solutions of the equation in the interval [0, 2π). (enter your answers as a comma-separated list. if there is no soluti

on, enter no solution.) 6 cos3 x = 6 cos x
Mathematics
1 answer:
lawyer [7]3 years ago
5 0
0, π/2, π, 3π/2
__________
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I need help with this if you get it right I will mark you brainlest
laiz [17]
The correct answer is A!

A. 1/2 is equal to .5 so multiply 2,000 by .5 and you’ll get $1000. She spends $900 on rent. Since $900 is less than $1000 she is not spending more than half of her income on rent. There for this statement is False

B. If you do 2,000 multipled by .15 (which equals 15%) then you’ll get $300 and that’s how much she spends on savings. So this statement is true.

C. 1/4 = .25 so if you do 2,000 multiplied by .25 you’ll end up with $500. The total cost of utilities, cable and groceries ( 120 + 80 + 320 ) = $520 and since $500 is less than $520 then she is spending more than 1/4 of her income on those expenses. Which makes this statement true.

D. 14% is = .14 so if you do 2,000 multiplied by .14 you’ll get $280. The total of cell phone and other expenses ( 100 + 180 ) = $280 so that is true.
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Step-by-step explanation:

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Help please it is math
Rasek [7]
B is incorrect. I may be using the wrong word, but addition and multiplication are commutative, so the numbers can be added in any order or multiplied in any order and you’d still get the same sum or product. However, you can’t do this with subtraction or division as the difference or quotient will be different.
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True or false is Every integer a positive number
STatiana [176]
<span>integers are numbers that we get from adding and subtracting the number 1. Zero also belongs to integers .

</span><span>example

3 = 1+ 1 + 1
3 = 1 + 1 + 1 +1 - 1
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- 4 = -1 - 1 - 1 -1
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</span><span>In this way you can get infinitely large number of total positive , negative and zero</span>
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