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IgorC [24]
3 years ago
9

Find the average rate of change of k(x) = x' over the interval [3, 9].

Mathematics
1 answer:
viva [34]3 years ago
5 0

Answer:

y=6x×2/4

x=7

thanks for the points

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How to solve 2x² - x - 3 = 0
Pie
2x²- x -3 = 0 ⇒ 2x²-x= 0 + 3 ⇒ 2x² - x = 3 ⇒ 2x = 3 ⇒ x = 1.5
            
6 0
3 years ago
How much is a 15-percent down payment on a purchase price of $205,000?
schepotkina [342]

Answer: Option (C) is the correct answer.

Step-by-step explanation:

Amount of purchase is give as $205,000.

We have to calculate 15% of $205,000. The value 15% can be written as follows.

                  15% = \frac{15}{100}

or,                      0.15

Thus, calculate the 15% of $205,000 as follows.

                              0.15 × 205,000

                              = 30,750

Thus, we can conclude that $30,750 is the 15-percent down payment on a purchase price of $205,000.

6 0
3 years ago
A dollar bill is about 15.5 cm long. If seventeen trillion dollar bills were laid end to end around the Earth's equator, how man
Mariana [72]

Answer:

The dollar bills would encircle earth 65753.1 times

Step-by-step explanation:

We have

Length of dollar bill = 15.5 cm

Total dollar bills = 17 trillion = 17\times 10^{12}

Thus the length of 17 trillion dollar bills equals

15.5\times 17\times 10^{12}cm\\\\=263.5\times 10^{12}cm\\\\=\frac{263.5\times 10^{12}}{10^{5}}km\\\\=263.5\times 10^{7}km

Now taking shape of earth as a perfect sphere the circumference of earth becomes

C=2\pi r\\\\=2\times \pi \times 6378km\\\\=40074.1558km

Thus the number of times the dollar bills would encircle earth equals

\frac{263.5\times 10^{7}km}{40074.1558km}=65753.21times

6 0
3 years ago
Fill in the missing values.<br> 151.5 cm =? m<br> 151.5 cm = ? m<br> (Type an integer or a decimal.)
masha68 [24]

Answer:

151.5 cm = 1.515 m

151.5 cm = 1515/1000 m

6 0
2 years ago
What are the coordinates of the center of a circle whose equation is (x + 7)2 + (y – 5)2 = 16?
Dafna11 [192]
Hi there! The answer is ( - 7, 5)

The standard form of the equation of a circle is the following:
(x - a) {}^{2}  + (y - b) {}^{2}  = r {}^{2}

In this equation r represents the radius of the circle and the point (a, b) is its centre.

Therefore, the centre of the circle
(x + 7) {}^{2}  + (y - 5) {}^{2}  = 16
is the point ( - 7, 5).
6 0
3 years ago
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