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harkovskaia [24]

2 years ago

5

Nate accelerates his skateboard uniformly along a straight path frim rest to 12.625 m/s in 1.968 s. What is Nates average veloci

ty (in m/s) during this time interval?

1 answer:

e-lub [12.9K]2 years ago

6 0

Answer:

6.3125 m/s

Step-by-step explanation:

When acceleration is uniform, the average velocity over the interval is the average of the starting and ending velocities:

(0 +12.625 m/s)/2 = 6.3125 m/s

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Two cooling fans are installed in some laptop computers. Suppose the reliability of each cooling fan is 0.92. What percent impro

wlad13 [49]

Answer:

8%

Step-by-step explanation:

Given that:

Reliability of each = 0.92

r = 0.92

1 - (1 - r)(1 - r) = 1 - (0.08)(0.08) = 1 - 0.0064 = 0.9936

Percentage improvement :

1 - (0.9936) / r

1 - (0.9936 / 0.92)

1 - 1.08

= - 0.08

= 0.08 / 100 = 8%

5 0

2 years ago

Solve for a: b − 2a = c

vlada-n [284]

Answer:

$a=-\frac{c-b}{2}$

Step-by-step explanation:

Solving for the variable $a$ , given that :

$b-2a=c$

We can first start start by subtracting $b$ from both sides of the equation:

$-2a=c-b$

Now, we can divide both sides of the equation by the coefficient of $a$ , which would be $-2$ :

$a=\frac{c}{-2}-\frac{b}{-2}$

Applying the fraction rule $\frac{a}{c}\pm\frac{b}{c} =\frac{a\pm b}{c}$ :

$a=\frac{c-b}{-2}$

Then, apply the fraction rule $\frac{a}{-b} =-\frac{a}{b}$

$a=-\frac{c-b}{2}$

5 0

2 years ago

Find the equation of a line parallel to x = 7 and passing through the point (2, -5)

photoshop1234 [79]

The answer is: " x = 2 " .
____________________________________

5 0

2 years ago

In which quadrant does θ lie if the following statements are true: cos⁡θ>0 and sin⁡θ>0

Papessa [141]

Answer:

First quadrant

Step-by-step explanation:

cosθ > 0 in first/ fourth quadrants

sinθ > 0 in the first/ second quadrants

sinθ and cosθ are both > 0 in the first quadrant

Then θ lies in the first quadrant

6 0

2 years ago

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Vinil7 [7]

Answer:

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Step-by-step explanation:

$17.50/5 = $3.50. This means the cost of one book is $3.50.

7 0

2 years ago