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3 years ago

Construct the graph of the direct proportion y=kx for

Mathematics

1 answer:

goldenfox [79]3 years ago

6 0

Welp, I think this is it?

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Which expression is equivalent to negative one half open parentheses three minus two fifths close parentheses?

kondor19780726 [428]

The answer is negative three halves minus one fifth

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3 years ago

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Brent purchased a used vehicle that depreciates under a straight-line method. The initial value of the car is $7500, and the sal

Ilia_Sergeevich [38]

Let the value of the vehicle be described by the equation
V = a + bx
where x = number of years since purchase
a,b are constants.

When x = 0, V = $7500. Therefore
a + b*0 = 7500
a = 7500

When x = 7, V = $500. Therefore
7500 + 7b = 500
7b = 500 -7500 = -7000
b = -7000/7 = -1000

The equation is
V = 7500 - 1000x

The slope of this equation is the depreciation rate, and it is -$1000 per year.

Answer: $1000 depreciation per year.

5 0

3 years ago

How does the number of zeros in the product of 8 and 5000 compare to the number of zeroes in the factor

almond37 [142]

The number of zeros in the product has 5 zeros and the zeros in the factor has 4 zeros because when you multiply 5,00x by8 you get 40,000

6 0

3 years ago

?????????????????????????????????

Alina [70]

Answer:

B. 11 $\sqrt{2}$

Step-by-step explanation:

Every line with a mark is 11.

so in the image attached you can see that all you need to do is plug in the numbers

x $\sqrt{2}$ → 11 $\sqrt{2}$

6 0

3 years ago

Jim went by bus to visit his uncle. He left at 10 A.M. and arrived at 4 P.M. The bus traveled 270 mi. What was its average speed

Feliz [49]

Answer:

Average speed, S = 45 mph

Step-by-step explanation:

Given the following data;

Take-off time = 10 AM

Arrival time = 4 PM

Distance = 270 miles

To find the average speed of the bus;

First of all, we would determine the total time.

10 AM to 4 PM = 6 hours

Total time = 6 hours

Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.

Mathematically, speed is given by the formula;

$Speed = \frac{distance}{time}$

Substituting into the formula, we have;

$Speed = \frac{270}{6}$

Average speed, S = 45 mph

Therefore, the average speed of the bus is 45 miles per hour.

4 0

3 years ago