3 years ago

What’s the greatest common factor of 14b^3+21b^2-42b

Mathematics

1 answer:

sattari [20]3 years ago

3 0

7 b ( 2 b^ 2 + 3 b − 6 )

Step-by-step explanation:

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A new car worth $18 comma 000 is depreciating in value by $3 comma 000 per year. after how many years will the car's value be

ehidna [41]

Its 5 years
worth = 18000
depriciation per year= 3
in 5 year car value= 18000 minus 5×3000= 3000

8 0

3 years ago

Write 2.9687 in p/q form , where p and q are integers and q is non zero

Anna35 [415]

Answer:

Step-by-step explanation:

2.9687= $\frac{29687}{10000}$

4 0

3 years ago

The population of rabbits on an island is growing exponentially. In the year 1990, the population of rabbits was 1200, and by 19

kobusy [5.1K]

Answer:

2023 rabbits

Step-by-step explanation:

The exponential model consists of the following expression:

$y = A \cdot r^{t}$

Where:

$A$ - Initial population.

$r$ - Increase rate.

$t$ - Time

$y$ - Current population.

The initial population and increase rate are, respectively:

$1200 = A \cdot r^{0}$

$A = 1200$

$1700 = 1200 \cdot r^{4}$

$r^{4} = \frac{1700}{1200}$

$r^{4} = \frac{17}{12}$

$r = \sqrt[4]{\frac{17}{12} }$

$r \approx 1.091$

The exponential model that predicts the population of rabbits is:

$y = 1200\cdot 1.091^{t}$

Lastly, the expected population for the year 1996 is:

$y = 1200\cdot 1.091^{6}$

$y\approx 2023.624\,rabbits$

5 0

3 years ago

A plumber charges $30 for a service call and an additional $25 per hour. Write an equation in slope-intercept form to represent

murzikaleks [220]

Answer:

The equation is c=25h+30 and the answer is 205

Step-by-step explanation:

Plug in 7 for h.

3 0

3 years ago

Click on the measure of angle x. х 38° » 152 1)) 142° () 38° )) 52°

GaryK [48]

Answer:

142°

Step-by-step explanation:

$180^{\circ} - 38^{\circ} = 142^{\circ}$

7 0

3 years ago