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3 years ago

5

Janae vacuums her house every 2 days, she mops every 4 days and does laundry every 6th day. On what day of the month will she ha

ve to do all 3 chores on the same day?

1 answer:

xeze [42]3 years ago

3 0

January is when all the times meet

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Marco borrowed $150 from his brother.He has paid him back 30% so far.How much money does Marco still owe his brother?

alexdok [17]

150*30% = $45
$150-$45 = $105

Marco still owes his brother $105

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3 years ago

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I don’t understand how to do this

schepotkina [342]

Answer:

The solution is $x =0.$

Step-by-step explanation:

The equation

$\bold{(1).}\: sin(\dfrac{3\pi }{2} +x)+sin(\dfrac{3\pi }{2} +x) =-2$

can be rewritten as

$2* sin(\dfrac{3\pi }{2} +2) =-2$

and can be further simplified to

$sin(\dfrac{3\pi }{2}+x ) =-1$ .

Now, taking the inverse sine of both sides we get:

$sin^{-1}(sin(\dfrac{3\pi }{2} +x) =sin^{-1}(-1)$

$\bold{(2).}\: \dfrac{3\pi }{2} +2 =sin^{-1}(-1)$

The value of the right side on the interval $[0,2\pi)$ is

$sin^{-1}(-1) = \dfrac{3\pi}{2} \: \:( \text{or }270^o)$ ,

which makes the equation (2)

$\dfrac{3\pi }{2}+x =\dfrac{3\pi}{2}$

solving for $x$ gives

$\boxed{x = 0}$

which is our solution.

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3 years ago

Please please help me on this one!

gizmo_the_mogwai [7]

Answer:

3422 x232

Step-by-step explanation:

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3 years ago

Chapter Test Find the distance between (2, -1) and (3, 4). The distance is units

AleksAgata [21]

Answer:

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Step-by-step explanation:

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3 years ago

WILL GIVE A BRAINLEST AND 50PTS FOR CORRECT ANSWER THANXS!!!!!!!!!!!!!!!!!!!

DochEvi [55]

D. (xy2 + 3z14)(x2y4 – 3xy2z14 + 9z28

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4 years ago

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