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3 years ago

PLEASE HELP I DONT KNOW HOW TO DO IT PLEASEEEE

Mathematics

2 answers:

dmitriy555 [2]3 years ago

8 0

t( 15 ) = t( 1 ) + [ 14 × ( Constant value ) ]

________________________________

t( 1 ) = 1

Constant value = t( 2 ) - t( 1 ) = t( 3 ) - t( 2 )

Constant value = 6 - 1

Constant value = 5

________________________________

Thus :

t ( 15 ) = 1 + [ 14 × 5 ]

t( 15 ) = 1 + 70

t( 15 ) = 71

denis-greek [22]3 years ago

6 0

Answer:

Step-by-step explanation:

so the sequence(pattern) is it increases by 5

there are 2 ways to solve this promblem

one count on your toes and hands by 5 starting at one until u get to 10 fingers and 5 toes. soon the promblems will get harder and you cant do that

other way multiply 5 by 15 and add it to 1

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Suppose that poaching reduces the population of an endangered animal by

Sedbober [7]

Answer:

38.26 years.

Step-by-step explanation:

We have been given that the population of an endangered animal by reduces 8% per year. the current population of the animal is 1700. When the population of this animal falls below 70, its extinction is inevitable.

Let us write the model for population of this animal (y) after x years.

Since we know that an exponential decay function is in form: $y=a*(1-r)^x$ , where,

a= Initial value.

r = Rate in decimal form.

Let us convert our given rate in decimal form.

$8\%=\frac{8}{100}=0.08$

Upon substituting a= 1700 and r = 0.08 in exponential function, we will get the model of animal population as:

$y=1700*(1-0.08)^x$

$y=1700*(0.92)^x$

Let us find, when the animal population will face extinction by substituting y=70 in our function.

$70=1700*(0.92)^x$

$\frac{70}{1700}=\frac{1700*(0.92)^x}{1700}$

$0.0411764705882353=0.92^x$

Let us take natural log of both sides of our equation.

$ln(0.0411764705882353)=ln(0.92^x)$

$ln(0.0411764705882353)=x*ln(0.92)$

$-3.1898882879949483163=x*-0.0833816089390511$

$x=\frac{-3.1898882879949483163}{-0.0833816089390511}$

$x=38.2564971890460849445284\approx 38.26$

Therefore, the population of the animal will face extinction after 38.26 years.

5 0

4 years ago

Marco picked 8

Rzqust [24]

It 4 the answer is 4 alpeass

8 0

4 years ago

I need help ASAP looks at the photo

Evgen [1.6K]

Answer:

Step-by-step explanation:

divide both sides by 2 to get x+1=3

use the distributive propriety to get 2x+2=6

5 0

3 years ago

Find two positive numbers whose difference is 7 and whose product is 2438.

GaryK [48]

Answer: 348 and 355

Step-by-step explanation:

Let two positive numbers are x and y

so,

when the difference is 7 then equation will become

x-y=7 Eq(1)

when product is 2439 then equation will become

x*y=2438 Eq (2)

By rearranging Equation (2)

x= 2438/y Eq(3)

Now put the value of x as in eq (3) in eq(1) to get y's value

(2438/y)-y=7

(2438-1)/y =7

2437 / y =7

2437/7 =y

y=348.14 approx 348

Put the value of y in Eq(1) for x

x-348=7

x=7+348

x=355

so the two positve numbers are 355 and 348

For Check

x-y=7

355-348=7

7=7

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3 years ago

Whats has the same slope of 6x-3y=9

Crank

Answer:

Step-by-step explanation:

when you put it into slope intercept form you get

y=2x-3

2 is the slope, so

y=2x+3 would have the same slope which means these lines are parallel.

6 0

3 years ago