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3 years ago

What is the value of f(x) = 2/3 x + 1/4 when x = 6?

Mathematics

1 answer:

11Alexandr11 [23.1K]3 years ago

4 0

Answer:

4 1/4

Step-by-step explanation:

f(x) = 2/3(6) + 1/4

f(x) = 4 + 1/4

f(x) = 4 1/4(4.25)

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The value of a car bought new for $28900 decreases 15% each year. Identify the function for the value of the car. Does the funct

Eva8 [605]

Answer:

V (t) = 28,900 - 4,335t

The function clearly represent a decay

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Value of the car = $ 28,900

Annual depreciation = 15% = 0.15

2. Identify the function for the value of the car. Does the function represent growth or decay?

Let y represent the value of the car after t years of utilization, let p the price of the car and d, the annual depreciation, therefore:

V (t) = p - (d * t * p)

Replacing with the values we know:

V (t) = 28,900 - (0.15 * t * 28.900)

V (t) = 28,900 - 4,335t

The function clearly represent a decay.

8 0

3 years ago

2. Write a function that models the relationships among x, y, and r. (Hint: Use the Pythagorean theorem.) Then solve the equatio

In-s [12.5K]

Answer:

$r^{2} = \sqrt{y^{2} + x^{2} }$

Then just plug in the values depending on the bridge you chose I'm pretty sure

also can I get brainliest?

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3 years ago

After being exposed to an electromagnetic shrinking machine, Joe's height decreased by 120120120 cm over 1.51.51, point, 5 secon

LuckyWell [14K]

Answer:It is given that Joe was being exposed to an electromagnet shrinking machine. Because of this his height started decreasing .

Given,

The decrease was at a constant rate per second.

In 1.5sec, the height is decreased by 120cm.

So,

Variation per second =

Change in each second would be with negative sign indicate's decrease .

Hence, Answer is “-80” .

Step-by-step explanation:

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3 years ago

The equation y = mx + b is the slope-intercept form of a linear equation slove y = mx + b for m

Andrei [34K]

To solve for m means to get it alone on a side
so..

$y = mx + b$
$y - b = mx$
$\frac{y - b}{x} = m$

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3 years ago

Read 2 more answers

3. A scuba diver was exploring a reef 32.12 m below sea level. The diver ascended to the surface at a rate of 8.8 m/min. (a) Wri

Mandarinka [93]

A. T= d/r
A good way to remember this is by making a pyramid with 3 parts and putting distance at the top and rate and time in the other two parts. This way you can visibly see the equation and use it if you need to find one for rate.

B. It's reasonable to write distance as a positive number because distance is always positive. You are not able to have a negative distance. Imagine someone standing on a side walk. Even if they are not moving, their distance is 0 which is positive. If they move backwards or forwards, their distance is still positive because it is more than that 0 and they are gaining something.

C. Just plug in the numbers into the formula.
T= d/r
T= 32.12 m /8.8 m/min
T= 3.65 min

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3 years ago