MATHEMATICS MIDDLE SCHOOL

The exponential function f(x) = 215e^0.0325x models the Siberian tiger population of China, f(x), x yearsafter 1990. If this trend continues, predict the Siberian tiger’s population in Chins in the year
2030.

Answers

Answer 1
Answer:

Answer:

They are both linear

Step-by-step explanation:

i did it on khan academy

Answer 2
Answer:

Answer:

789 Siberian tigers

Step-by-step explanation:

2030 = 40 years after 1990, so...

215 * e^(.0325*40) =

215 * e^1.3 =

788.89878405, which is approx. 789

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You have an initial amount of $45 in a savings account and you deposit an equal amount into the account each week. After 5 weeks the account holds $105. Write an equation that represents the amount yy (in dollars) of money in the account after xx weeks

Answers

y = 45+12x , this the answer

What is the answer to this equation:

23 x a = 10189
What is a?

Answers

to find A u divide 10189 by 23 which is 443 but to check ur work multiply 443 by 23 which is 10189
You can divied 10189➗23 and it is 443.The you multiply 443✖️23 it will give you ........ 10189!!!

SOS *Algebra one*Two functions are shown in the table below.


Function 1 2 3 4 5 6
f(x) = −x2 + 4x + 12
g(x) = x + 2



Complete the table on your own paper, then select the value that is a solution to f(x) = g(x).
x = 2
x = 3
x = 5
x = 6

Help me, i will subscribe to your minecraft yt channel

Answers

This can be done in two ways
One method is to check the answer options in both f(x) and g(x) and select the one that matches for both.
The second is to form a quadratic equation and solving as such:
f(x) = g(x)
-x² + 4x + 12 = x + 8
x² - 3x - 4 = 0
(x - 4)(x + 1) = 0
x = 4; x = -1
Only x = 4 is given in the options, so the answer is B

Answer: The correct answer is x=5


Step-by-step explanation:

2x + 3 for x=3
Can you guys please help me

Answers

Answer:

Step-by-step explanation:

You would do 2[3]+3 because you plug in the three for the x and it gives you 9 if you use a calculator be sure to use [ ] where needed.

Answer:

9

Step-by-step explanation:

Plug in 3 where x is.

2(x) + 3

2(3) + 3

Two times 3 equals 6, and six plus 3 equals 9.

So the answer is 9

Andrew solved the following inequality, and his work is shown below:−4(x + 8) + 25 ≤ −2 + 1(x − 50)
−4x − 32 + 25 ≤ −2 + 1x − 50
−4x − 7 ≤ 1x − 52
−5x ≤ −45
x ≤9

What mistake did Andrew make in solving the inequality?

Answers

For this case we observe that we have the following inequality:

-4 (x + 8) + 25 ≤ -2 + 1 (x - 50)

The first step is the distributive property on both sides of the inequality:

-4x - 32 + 25 ≤ -2 + 1x - 50

This step is written correctly.

The second step is to add similar terms:

-4x - 7 ≤ 1x - 52

This step is written correctly.

The third step is to pass the number 7 adding on the right side of the inequality:

-5x ≤ -45

This step is written correctly.

The last step is to divide between 5 both sides of the inequality. Then, multiply by -1. When multiplied by -1, the direction of the inequality changes:

x ≤9

This step is written incorrectly.

Answer:

Andrew did not change the symbol of the inequality in the last step.
(B) when dividing by -5, he did not change the < to > 

What is the area of the trapezoid with height 10 units?

Answers

｡☆✼★ ━━━━━━━━━━━━━━  ☾  

You will need the equation:

Area = (a+b)/2 x h

Substitute the values in:

Area = (5 + 29)/2 x 10

You will get your answer as:

Area = 170

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｡☆✼★ ━━━━━━━━━━━━━━  ☾
Equation: (a+b)/2+h

(5 + 29)/2 x 10
Area: 170
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