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3 years ago

$14.59 per pound for lobster or 3 pounds of lobster for $40.99

Mathematics

1 answer:

dlinn [17]3 years ago

4 0

3 pounds for $40.99. For this deal you’re paying $13.66 per pound.

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Find x<br><br> show steps too please<br><br> will give brainliest

9966 [12]

Hello from MrBillDoesMath!

Answer: x = 7/10

Discussion:

To eliminate fractions multiply each side by 10:

10 ( 9/5x - 2/5 ) = 10 * ( 8x +3)/10 or

10 * ( 9/5)x - 10 *(2/5) = 8x + 3 or

9 *2 x - 2*2 = 8x +3 or

18x - 4 = 8x + 3. Subtract 8x for each side:

18x - 8x - 4 = (8x - 8x) + 3 or

10x -4 = 0x + 3 or

10x -4 = 3 or

10x = 7

x = 7/10

Thank you,

MrB

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3 years ago

What are the measures of angle b e c and angle a b e in the figure shown? (30 points.)

koban [17]

Angle bec= 20 and angle abe =160

8 0

2 years ago

Read 2 more answers

Are the polygons similar? If they are, write a similarity statement and give the scale factor. The figures are not drawn to scal

Ugo [173]

The answer is C.
TUWV ~ DEFG; 6:4.5
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3 years ago

You are wakeboarding on a river. You travel 2 miles downstream to a marina for supplies, and then you travel 3 miles upstream to

Zielflug [23.3K]

Let x represent the speed of of boat.

We have been given that the river current is 3 miles per hour.

The speed of boat upstream will be $x-3$ .

The speed of boat downstream would be $x+3$ .

$\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

We have been given that you travel 2 miles downstream to a marina for supplies, and then you travel 3 miles upstream to a dock.

We can represent this information in an equation as:

$\text{Time}=\frac{2}{x+3}+\frac{3}{x-3}$

Since the speed of the boat is 18 miles per hour, so we will substitute $x=18$ in above equation and solve for time.

$\text{Time}=\frac{2}{18+3}+\frac{3}{18-3}$

$\text{Time}=\frac{2}{21}+\frac{3}{15}$

$\text{Time}=\frac{2}{21}+\frac{1}{5}$

$\text{Time}=\frac{2\cdot 5}{21\cdot 5}+\frac{1\cdot 21}{5\cdot 21}$

$\text{Time}=\frac{10}{105}+\frac{21}{105}$

$\text{Time}=\frac{31}{105}$

$\text{Time}=0.295238095$

Since time is in hours, so let us convert our given time in minutes.

1 hour = 60 minutes.

$\text{Time}=0.295238095\times 60\text{ minutes}$

$\text{Time}=17.7142857\text{ minutes}$

Rounding to nearest tenth of minute.

$\text{Time}\approx 17.7\text{ minutes}$

Therefore, it will take approximately 17.7 minutes for the boat to take the trip.

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3 years ago

Sam ran 63,756 feet in 70 minutes. What is Sam's rate in

AlladinOne [14]

Answer:

Sam's speed is about 10.3 mi/h.

Step-by-step explanation:

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2 years ago