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arsen [322]
2 years ago
15

PLEASE HELP! I WILL MARK BRAINLIEST

Mathematics
1 answer:
bogdanovich [222]2 years ago
7 0

9514 1404 393

Answer:

  1.  4463

  2. no

Step-by-step explanation:

1. Put the value of x into the equation and do the arithmetic.

  f(4) = 5000(0.972^4) ≈ 5000·0.8926168 ≈ 4463.08

There will be about 4463 lemmings in 4 years.

__

2. An exponential function has the variable in the exponent. When the variable is the base of a term that has an integer constant exponent, we call it a polynomial function.

The function is NOT an exponential function.

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I need help on 17 and 23 pls
ludmilkaskok [199]

                           

                          Question # 17 Solution

Answer:

x_{1}= \frac{mx_{2}-y_{2}+y_{1}}{m}

Step-by-step Explanation:

The given expression

m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

And we have to solve for x₁

So,

Lets solve for x₁.

m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Multiply both sides by x₂ - x₁

m(x_{2}-x_{1})= (x_{2}-x_{1})\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

m(x_{2}-x_{1})= (y_{2}-y_{1})

mx_{2}-mx_{1}= (y_{2}-y_{1})

-mx_{1}= y_{2}-y_{1}-mx_{2}

Divide both sides by -m

\frac{-mx_{1}}{-m}= \frac{y_{2}-y_{1}-mx_{2}}{-m}

x_{1}= \frac{mx_{2}-y_{2}+y_{1}}{m}

Therefore, x_{1}= \frac{mx_{2}-y_{2}+y_{1}}{m}

                                     Question # 23 Solution

Answer:

n= \frac{bx}{-b + x}

Step-by-step Explanation:

The given expression

\frac{nx}{b}-x=x

And we have to solve for n

So,

Let's solve for n.

\frac{nx}{b}-x=x

Multiply both sides by b.

-bn + nx = bx

Factor out n.

n(-b + x)= bx

Divide both sides by -b + x.

\frac{n(-b + x)}{-b + x}= \frac{bx}{-b + x}

n= \frac{bx}{-b + x}

Therefore, n= \frac{bx}{-b + x}

<em>Keywords: solution, equation</em>

<em>Learn more about the solution of equations from brainly.com/question/12864981</em>

<em>#learnwithBrainly</em>

6 0
3 years ago
Find the slope of the line that passes through each pair of points. Expressed as a fraction in simplest form. (8,2),(8,-1)
boyakko [2]

Answer:

x = 8

Step-by-step explanation:

The explanation are the pictures. I hope I gave you the correct answer.

8 0
2 years ago
Solve 2x2 + 4x +10 = 0 using the quadratic formula. what is the solution set?
Sergio [31]
/If you solve for x you will get -7/2.
5 0
3 years ago
On a test Matilda answer 12 are the first 15 problems correctly at this rate continues how many of the next 25 problems while sh
Feliz [49]
12/15=x/25
15x=300 so x=20
6 0
3 years ago
Number of boys : Number of girls = 11 : 9
Oliga [24]
The first thing we are going to do for this case is define variables.
 We have then:
 x = Number of boys
 y = Number of girls
 We now write the system of equations:
 x / y = 11/9
 x = y + 124
 Solving the system we have:
 x = 682
 y = 558
 The number of students is:
 x + y = 682 + 558 = 1240
 Answer:
 
the total students in the school is:
 
1240 students
8 0
3 years ago
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