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3 years ago

F (x) =x-2 whats the answer Complete the table below for the function f

Mathematics

1 answer:

saveliy_v [14]3 years ago

5 0

Answer: slope is 1

Y-intercept= -2

Step-by-step explanation:

X y

0 -2

1 -1

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Please help with 15 i’m desperate please i’ll give u a brainliest

sergij07 [2.7K]

Answer:

A. -1/3 is the answer for this question

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3 years ago

Read 2 more answers

What is the general equation of a cosine function with an amplitude of 3, a period of 4 pi, and a horizontal shift of negative p

liberstina [14]

The cosine function with the given characteristics is:

f(x) = 3*cos(x/2 - pi).

<h3>How to get the cosine function?</h3>

The general cosine function is:

f(x) = A*cos(kx + p)

Where A is the amplitude and p is the phase, then we know that:

A = 3

p = -pi

Then we have:

f(x) = 3*cos(kx - pi)

And the period is equal to 4pi, then we must have that:

k*(x + 4pi) - pi = k*x - pi + 2pi

k = 1/2

Then the function is:

f(x) = 3*cos(x/2 - pi).

If you want to learn more about cosine functions:

brainly.com/question/4372174

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3 years ago

Marcos had 15 coins in nickels and quarters. He had 3 more quarters than nickels. He wrote a system of equations to represent th

hodyreva [135]

Answer:

There are 6 coins in nickels and 9 coins in quarters.

Step-by-step explanation:

Now, to find the solution.

According to question:

The number of nickels = $x$ .

The number of quarters = $y.$

So, the total number of coins:

$x+y=15.$

He had 3 more quarters than nickels.

Thus,

$y=x+3$ .....(1)

Now, to get the solution:

$x+y=15$

Substituting the equation (1):

$x+(x+3)=15$

$x+x+3=15$

$2x+3=15$

Subtracting both sides by 3 we get:

$2x=12$

Dividing both sides by 2 we get:

$x=6.$

The number of nickels = 6.

Now, substituting the value of $x$ in equation (1):

$y=x+3\\\\y=6+3\\\\y=9.$

The number of quarters = 9.

Thus, there are 6 coins in nickels and 9 coins in quarters.

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3 years ago

Need heeeelp please

Alenkasestr [34]

Answer:

Initial population: 222 fish

After 7 years: 871 fish

Step-by-step explanation:

Initial population size:

Let t=0

∴P(0)= $\frac{2000}{1+8e^0}$

= $\frac{2000}{1+8}$

= $\frac{2000}{9}$

=222 fish

After 7 years:

Let t=7

∴P(7)=871 fish

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2 years ago

What is the gradient of the blue line

Setler79 [48]

Answer:

-5

Step-by-step explanation:

$\mathsf{gradient=\dfrac{change\ in\ y}{change \ in \ x}}$

Pick 2 points on the line:

(-2, 5) and (-1, 0)

$\implies \mathsf{gradient=\dfrac{5-0}{-2--1}=-5}$

7 0

2 years ago