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3 years ago

Pleasee help me in this

Mathematics

2 answers:

a_sh-v [17]3 years ago

4 0

He is incorrect because any number multiplied by 1 will stay the same, and so if he is going to multiply it by numbers less than one, he will have a lower number.

Simora [160]3 years ago

4 0

This is because he will go to the negative numbers which are is lower than 1

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How do you write an exponential equation for this problem

Serhud [2]

Let's think about the information in the problem. The problem tells us a few key points:

The number of rabbits grows exponentially
We start with 20 rabbits ( $t = 0$ , $a = 20$ )
After 6 months ( $t = 6$ ), we have 100 rabbits ( $a = 100$ )

Since we know we are going to be working with an exponential model, we can start with a base exponential model:

$a = P \cdot r^t$

$P$ is the principal, or starting amount
$r$ is the growth/decay rate (in this case, growth)
$t$ is the number of months
$a$ is the number of rabbits

Based on the information in the problem, we can create two equations:

$20 = P \cdot r^0 = P$

$100 = P \cdot r^6$

The first equation tells us that $P = 20$ , or that we start with 20 rabbits. Thus, we can change the second equation to:

$100 = 20 \cdot r^6$

$5 = r^6$

Now, we don't know $r$ , but we want to, so let's solve for it.

$5 = r^6$

$r = \sqrt[6]{5}$

Now, the problem is asking us how many rabbits we are going to have after one year ( $t = 12$ ), so let's find that:

$a = 20 \cdot (\sqrt[6]{5})^{12}$

$a = 20 \cdot (5^{\frac{1}{6}})^{12}$

$a = 20 \cdot 5^2$

$a = 500$

After one year, we will have 500 rabbits.

6 0

2 years ago

What is the equation of the following graph in vertex form? Courtesy of Texas Instruments A. y = (x − 4)2 − 4 B. y = (x + 4)2 −

Shtirlitz [24]

Answer:

A: y = (x − 4)^2 − 4

Step-by-step explanation:

vertex=(4.-4)

A: y = (x − 4)^2 − 4

y=x^2-8x+16-4

y=x^2-8x+12 (a=1,b=-8,c=12)

the y intercept is (0,12)

vertex ( h, k)

h=-b/2a ⇒ h=-(-8)/2=4

plug the value of h in the equation y=x^2-8x+12

k=4²-8(4)+12

k=16-32+12

k=-4

v(4,-4)

6 0

2 years ago

Which of the following sampling techniques is the most likely to produce a random sample, representative sample of all students

babymother [125]

Answer:

Which of the following sampling techniques is the most likely to produce a random sample, representative sample of all students at a high school?

A. Choosing every 10th name on the student roster

B. Choosing every 10th student arriving in a 9th grade homeroom

<u>C. Choosing the first 100 students who arrive at school </u>

D. Asking students to call a phone number to answer survey questions

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Please help me with this

alexandr402 [8]

Answer:

i wish i could help-

Step-by-step explanation:

7 0

2 years ago

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Y=−x−1 the point (0, −1)lies on the graph of the equation. the graph of the equation is the set of points that are solutions to

Thepotemich [5.8K]

For point (1, -2): -2 = -1 - 1 = -2. Therefore, point (1, -2) lies on the graph of the equation.

The graph of the equation is the set of points that are solutions to the equation.

A coordinate pair on the graph of the equation is a solution to the equation.

For the point (0, -1): -1 = -(0) - 1 = 0 - 1 = -1.
Therefore, The point ( 0, −1 ) lies on the graph of the equation.

8 0

3 years ago