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Westkost [7]
3 years ago
5

What is the best estimate for this product 81×409

Mathematics
2 answers:
Korolek [52]3 years ago
4 0
33,129 is the answer to your problem
marta [7]3 years ago
3 0
33,129!!!would be the answer
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The width of a laptop is 11.25 inches. The width is 0.75 times the length. What is the length of the laptop?
Marat540 [252]
8.4375 is the correct answer
5 0
3 years ago
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Please help....!!! EASY POINTS !!
Alex73 [517]
You should scan it on this app:)
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4 years ago
Runners in a long distance race start out going 6 kilometers east and then head north for the remainder of the race. The finish
Harrizon [31]

Answer:

Step-by-step explanation:

alright lets get started.

Please refer the diagram I have attached.

the runner traveled, six kilometers east.

Next, they turn to north and suppose they run x kilometers.

The starting and the ending points distance is 10 kilometers.

There will be a right triangle formed, we can find the value of x by using Pythagorean theorem.

a^2+b^2=c^2

6^2+x^2=10^2

36+x^2=100

Subtracting 36 from both sides

x^2=100-36=64

x=8

So, the runners travel 8 kilometers to the north.     :    answer

Hope it will help.  :)

6 0
3 years ago
Read 2 more answers
During one month, a homeowner used 600 units of electricity and 100 units of gas for a total cost of $344. The next month, 400 u
leonid [27]

Answer: the cost per unit of gas is $0.38

Step-by-step explanation:

Let x represent the cost per unit of electricity.

Let y represent the cost per unit of gas.

During one month, a homeowner used 600 units of electricity and 100 units of gas for a total cost of $344. It means that

600x + 100y = 344- - - - - - - - - -1

The next month, 400 units of electricity and 250 units of gas were used for a total cost of $299.

It means that

400x + 250y = 299- - - - - - - - - -1

Multiplying equation 1 by 400 and equation 2 by 600, it becomes

240000x + 40000y = 137600

240000x + 150000y = 179400

Subtracting, it becomes

- 110000y = - 41800

y = - 41800/- 110000

y = 0.38

Substituting y = 0.38 into equation 1, it becomes

600x + 100 × 0.38 = 344

600x + 38 = 344

600x = 344 - 38 = 306

x = 306/600

x = 0.51

4 0
4 years ago
Part III: Bailey works part-time at a movie theater. The theater pays employees an hourly wage based on their length of employme
frutty [35]
Given the following table showing the hourly wages of employees of a movie theater based on their length of employment.

<span>Length of employment (months)         Hourly wage (dollars/hour)
6 months                                                          7.55
12 months                                                        7.85
18 months                                                        8.15
24 months                                                        8.45

To obtain an algebraic expression </span>that describes how much Bailey’s employer pays part-time workers, we take two points from the table.

Recall that the equation of a linear function satisfying two points
(x_1,y_1) and (x_2,y_2)
is given by
\frac{y-y_1}{x-x_1} = \frac{y_2-y_1}{x_2-x_1}

Given the two points (6, 7.55) and (12, 7.85), the algebraic expression relating the two points is given by
\frac{y-7.55}{x-6} = \frac{7.85-7.55}{12-6} = \frac{0.3}{6}  \\  \\ 6(y-7.55)=0.3(x-6) \\  \\ 6y-45.3=0.3x-1.8 \\  \\ 0.3x-6y=-43.5

Therefore, the <span>algebraic expression that describes how much Bailey’s employer pays part-time workers is
0.3x-6y=-43.5</span>
5 0
3 years ago
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