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3 years ago

ANYONEEEE ? I need to help

Mathematics

1 answer:

pentagon [3]3 years ago

6 0

Answer:

please mark my answer brainliest

Step-by-step explanation:

A.....will be the answer....

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The perimeter of a triangle is 56. The side lengths are x + 4, 3x + 7, and x + 9. What is the value of x?

Sidana [21]

<h3><u>Answer:</u></h3>

x = 7.2

<h3><u>Step-by-step explanation:</u></h3>

Perimeter: Side 1 + Side 2 + Side 3

=> x + 4 + 3x + 7 + x + 9 = 56

=> 5x + 20 = 56

=> 5x = 56 - 20

=> 5x = 36

=> x = 7.2

<h3><u>Conclusion:</u></h3>

Therefore, the value of x is 7.2.

Hoped this helped.

$BrainiacUser1357$

5 0

2 years ago

8.2 x 10 ^-5 in standard notation

Mars2501 [29]

8.2*10^-5 can be also written as 0.000082, in standard notation.
Hope this helps.

5 0

3 years ago

What percent of 2000 is 204

Darina [25.2K]

204 is 10.2% of 2000

Working Out

204/2000 x 100 = 10.2%

3 0

3 years ago

The population of rabbits on an island is growing exponentially. In the year 1994, the population of rabbits was 9600, and by 20

drek231 [11]

Answer:

49243

Step-by-step explanation:

Given that the population of rabbits on an island is growing exponentially.

Let the population, $P=P_0e^{bt}$

where, $P_0$ and b are constants, t=(Current year -1994) is the time in years from 1994.

In 1994, t=0, the population of rabbit, P=9600, so

$9600=P_0e^{b\times 0}$

So, $P_0=9600$

and in 2000, t=2000-1994=6 years and population of the rabbit, P=18400

$18400=9600 \times e^{b\times 6} \\\\\frac{18400}{9600}=e^{b\times 6} \\\\$

$\ln(23/12}=6b \\\\$

$b = \frac{\ln{1.92}}{6} \\\\$

b=0.109

On putting the value of P_0 and b, the population of the rabbit after t years from 1994 is

$P=9600 \times e^{0.109\times t}$

In 2009, t= 2009-1994=15 years,

So, the population of the rabbit in 2009

$P=9600 \times e^{0.109\times 15}=49243$

Hence, the population of the rabbit in 2009 is 49243.

7 0

3 years ago

A rectangle and a parallelogram have the same base and the same height.

lidiya [134]

Answer:

equal to

Step-by-step explanation:

mark me brainlist

5 0

2 years ago