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3 years ago

What is the difference of (3/4x-2/3)-(-5/6-2x)

1 answer:

8 0

This equation is also equal to 3/4x - 2/3 + 5/6 + 2x since subtracting a negative is the same as adding a positive in the long run. First, simplify the variables to get 2 3/4x - 2/3 + 5/6. -2/3 is also equal to -4/6, so -4/6 + 5/6 is 1/6. The simplified version of this expression is 2 3/4x + 1/6. Hope this helps!

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For some math loving friends

shtirl [24]

The first step of finding the percent tip, we must find how much tip she paid:

Tip = $38.61 - $33 = $5.61

To find the percent tip, we must divide the tip amount by the amount she paid before the tip

$5.61 / $33 = 0.17 --> 17%

Thus the percent tip is 17%

Hope that helps!

7 0

2 years ago

From previous polls, it is believed that 66% of likely voters prefer the incumbent. A new poll of 500 likely voters will be cond

Vladimir79 [104]

Answer:

The mean and standard deviation of the number preferring the incumbent is mean = 330, standard deviation = 10.59.

Step-by-step explanation:

We are given that From previous polls, it is believed that 66% of likely voters prefer the incumbent.

A new poll of 500 likely voters will be conducted. In the new poll the proportion favoring the incumbent has not changed.

Let p = probability of voters preferring the incumbent = 66%

n = number of voters polled = 500

So, the mean of the number preferring the incumbent is given by;

Mean = $n \times p$ = $500 \times 0.66$

= 330 voters

And, standard deviation of the number preferring the incumbent is given by;

Variance = $n \times p\times (1-p)$

= $500 \times 0.66 \times (1-0.66)$

= 112.2

So, Standard deviation = $\sqrt{Variance}$

= $\sqrt{112.2}$ = 10.59

7 0

2 years ago

Pa help naman guys huhu

Evgesh-ka [11]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

1 point Carrying a dollar in your pocket is an example of which characteristic of money? *

Molodets [167]

Answer:

Store of value

Step-by-step explanation:

Look it up

8 0

3 years ago

To get from home to his friend Kelsey's house, Henry would have to walk 2 miles due north. To get from home to his friend Mike's

n200080 [17]

Answer:

Step-by-step explanation:

234m

5 0

3 years ago