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3 years ago

7

What is 256 to the -1/4 power

2 answers:

finlep [7]3 years ago

8 0

Answer: 1/4 or 0.25

Step-by-step explanation:

miskamm [114]3 years ago

4 0

The answer should be 0.25

Answer 0.25

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21. Randy owns a computer store. In 1990, he sold 150 monitors. In 2000, he sold 900

lutik1710 [3]

Answer:

$y=75x+150$

Step-by-step explanation:

Let $y$ represent the number of monitors sold.

Given:

$x$ is the number of years since 1990.

So, for the year 1990, $x=0$ .

For the year 2000, 10 years passed. So, $x=10$ .

Now, monitors sold in 1990 are 150. So, at $x=0,y=150$

Monitors sold in 2000 are 900. So, at $x=10,y=900$

Thus, the two points are $(0,150)$ and $(10,900)$ .

The slope of a line with points $(x_{1},y_{1})$ and $(x_{2},y_{2})$ is given as:

Slope, $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

For the points $(0,150)$ and $(10,900)$ , the slope is given as:

Slope, $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\ m=\frac{900-150}{10-0}\\ m=75$

Now, the y-intercept is the point where $x=0$ . So, the point $(0,150)$ has $x$ value as 0.

So, the y-intercept is 150.

Equation of a line in slope-intercept form is given as:

$y=mx+b$

Where, $m$ is the slope and $b$ is the y intercept.

Here, $m=75$ and $b=150$ .

Therefore, the equation that represents the above data is given as:

$y=75x+150$

7 0

3 years ago

The average time between infection with the AIDS virus and developing AIDS has been estimated to be 8 years with a standard devi

Dahasolnce [82]

Answer:

1/40

Step-by-step explanation:

3 0

3 years ago

Can u solve this for me: 72 + 4x = 2x + 82 and please show work

8_murik_8 [283]

The answer is X = 5 because first you have to take away 2x from that side so u minus 2x from 4x that gives u: 72 + 2x = 82 then you have to minus 72 from both sides and that gives you 2x = 10 once you have that you divide both sides by 2 because you want the X by itself and once you get that X = 5. Hope this helped!

8 0

4 years ago

Read 2 more answers

A zucchini plant in Darnell’s garden was 12 centimeters tall when it was first planted. Since then, it has grown approximately 0

lara [203]

Function: 12+0.5x

12+0.5x=18.5
0.5x=6.5
x=13 days

8 0

3 years ago

Round 23 to the nearest ten

svetlana [45]

Answer:

20

23 is between 20 and 30, but it's closer to 20. So 23 is rounded down to 20.

7 0

3 years ago

Read 2 more answers