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luda_lava [24]
3 years ago
15

What is the value of the expression shown below?

Mathematics
2 answers:
ycow [4]3 years ago
8 0
10 + (2 * 3)^2 ÷ 4 * (1/2)^3
Follow the order of operations
10 + 6^2 ÷ 4 * (1/8) =
10 + 36 ÷ 4 * (1/8) =
10 + 9 * (1/8) =
10 + (9/8) =
10 + 1 1/8 =
11 1/8 =
LETTER A
Svetach [21]3 years ago
5 0

Answer:

A Is the correct answer

Step-by-step explanation:

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Answer:

2pi/3 has the same Sin, Cos, & Tan as pi/3 in QI except for the SIGNS.

2pi/3 is in QII so Cos is negative and Tangent is negative, Sine is still positive.

Sin 2pi/3 = √(3) / 2

Cos 2pi/3 = -1/2

Tan 2pi/3 = -√3

Step-by-step explanation:

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3 years ago
It takes Ralph 12 hours to paint a fence alone. Lisa can do the same job in 15 hours. If Ralph paints alone for 40 minutes befor
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After 40 minutes, Ralph has already painted (40/60)/12=1/18 of the fence

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A proper unbiased coin was tossed 10 times for 3 trials, giving TTHHTHTTHH, TTTTTHHHHH, and THTHHHTTH (T = Tails; H = Heads). Wh
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The theoretical probability will remain the same every time you do the experiment (50%), while the experimental probability will vary somewhat, since you probably aren't going to get 5 heads every single time.
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3 years ago
Sales tax in your community is 5. 25 cents for each dollar spent. What is the total cost at the movies for three tickets at
Montano1993 [528]

Answer:

33.94

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(3x8.50)+(3x1.25)+(2x1.50)=32.25

Then take that answer and multiply by your 5.25 cents per dollar

32.25x.0525 (since we're dealing with money)

then add that answer to the original 32.25

8 0
2 years ago
1.Hannah walked the same number of miles each day for 5 days. Let m represent the total number of miles Hannah walked. Write a l
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1) Given m represent the total number of miles Hannah walked.

Let us assume Hannah walked x miles each day.

So total number of miles Hannah walked in 5 days is m=5x.

2)Given Jimmy brought 2 books per day and Peter brought 4 books per day.

If d is the number of days the book drive, total number of books they brought

        =total number books brought by Jimmy+ total number of books brought by Peter                                                                          

        = 2d+4d = 6d

3) Given that c represent cost of the clothes.

Then 30% discount = 0.3c

Hence cost of the clothes = c-0.3c = 0.7c

4) Given c represent the cost of their meal before tipping.

And tip is 15% of the cost.

Hence tip = 0.15c

Hence total bill = c+0.15c=1.15c

5) Given that Tommy had 40$ in his pocket.

And pair of pants cost 37$ with 10% sales tax.

Hence cost of pants including sales tax = 37+37*0.1 = 40.1$ >40$

Hence Tommy cannot afford the pants with 40$ in his pocket.

For following problems, we should group the like terms together and then simplify.

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7) 5x+7-(3x-4) = 5x+7-3x+4 = (5x-3x)+7+4 = 2x+11

8) (x-2)-(-4x+1)=x-2+4x-1 = (x+4x)-2-1 = 5x-3

8 0
3 years ago
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