How many miles is 25 km?

A computer sells for $ 900 $900dollar sign, 900 and loses 30 % 30%30, percent of its value per year. Write a function that gives

Kazeer [188]

Answer:

The value of the computer is given by $900(0.7)^{t}$ .

Step-by-step explanation:

A computer sells for $900.

If the price of the computer loses 30% of its value per year, then it is compounded every year.

Now, the price of the computer t years after it is sold will be

$900(1 - \frac{30}{100})^{t} = 900(0.7)^{t}$ ........... (1)

Therefore, the value of the computer is given by the above equation (1). (Answer)

8 0

3 years ago

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Michael is walking from home to work. The function graphed represents the remaining distance to his work, in kilometers, x hours

Karolina [17]

x intercept- the number of remaining hours it takes to walk to work.

y intercept- the remaining distance from home to work.

Just took the quiz. Hope this helps you guys baiii <33

3 0

4 years ago

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Peyton opened a savings account with $1800 that pays no interest. She deposits an

ozzi

Answer:

She should have $4200 in the account after 24 weeks.

Step-by-step explanation:

Because this account has no interest and only increases its value because she adds $100 every week, we just multiply the number of weeks by 100 and add that to the $1800 she already has in the account.

5 0

3 years ago

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What is the solution to the system of equations graphed below? y = x - 2 y = 4x - 5

ololo11 [35]

There are 3 available methods - Substitution , Elimination and Matrix.

The substitution method is used to eliminate one of the variables by replacement.

The elimination method is used for solving linear systems.

A Matrix is an array of numbers.

Lets use Substitution to solve this system.

$x-2=4x-5$

$-2=4x-5-x$

$-2=(4x-x)-5

 
$

$-2=3x-5$

$-2+5=3x$

$3=3x$

$3=3x / 3$

$x=1$

Now substitute $x=1$

$y=x-2$

$y=1-2

 
$

$y=-1

$

Hence - $x=1
 
y=-1$

6 0

3 years ago

Which graph shows a proportional relationship in which the value of y is one-half of the value of x?

alexira [117]

Answer:

The graph is shown below.

Step-by-step explanation:

Given:

The relationship between the variables 'x' and 'y' is proportional relationship.

A proportional relationship is of the form:

$y=mx$

Where 'm' is called the constant of proportionality and also the slope of the line $y=mx$

Now, it is given that 'y' is one-half of the value of 'x'. Framing it in equation form, we get:

$y=\frac{1}{2}x$

So, the slope of the line is $m=\frac{1}{2}$

Slope is nothing but rise over run. Run is parallel the x-axis and rise is parallel to the y-axis.

Now, a proportional relationship always passes through the origin.

So, in order to get slope equal to one-half, we need to move 2 units along the x-axis from the origin and then 1 unit parallel to y-axis to get to the next point. The point is (2, 1).

Now, we draw a line passing through the origin and (2, 1) which is the required of the given proportional relationship.

4 0

3 years ago