What does the letter U stand for 25 > u-7


Answer 1


Solve for  u  by simplifying both sides of the inequality, then isolating the variable.

Inequality Form:


Interval Notation:


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A circle has a radius of five an arc in the circle has a central angle of 162 what is the length of the arc enter an exact answer in terms of pie or use with 3.14 for pie and enter your answer as a decimal



Length of arc = 14.13

Step-by-step explanation:


Radius of circle, r = 5

An arc in the circle has a central angle of 162°

To find the length of the arc, L, let's use the formula:

L = 2\pi r (\theta)/(360)

Where \theta = 162°

Therefore, substituting figures, we have:

L = 2*3.14*5 ((162)/(360))

L = 31.4 * 0.45

L = 14.13

Length of arc is 14.13 units

6.Write the equation in slope-intercept form for the line that passes through the given pointand is perpendicular to the given equation.5x + 3y = -21 and passes through (-5, 1)


Let us first solve for the slope (m) of the perpendicular line.

\text{ 5x + 3y = -21}\text{ 3y = -5x - 21}\text{ y =}\frac{-5x\text{ -21}}{3}\text{ y = -}(5)/(3)x-7

The slope of the perpendicular line is -5/3.

Thus, for the slope of the line, we get,

\text{ m}_(\perp)\text{ = }(-5)/(3)\text{ m = }(3)/(5)

Let us solve for the value of b with the given value of slope (m) = 3/5 and (x,y) = (-5,1).

\text{ y = mx + b}1\text{ = (}(3)/(5))(-5)+b1\text{ = -1 + b ; b = 1 + 1 = }2

Let's now make the equation of the line using Slope-Intercept Form,

Given, m = 3/5 and b = 2

\text{ y = mx+b}\text{ y = (}(3)/(5))x\text{ + 2}

\text{ y = }(3)/(5)x\text{ +2}

Write 8×8×8×8×8 as power ​



\boxed{\sf \ \ \ 8^5 \ \ \ }

Step-by-step explanation:


8*8*8*8*8 =8^5

because we use five time 8 in the multiplication

hope this helps

Your answer would be 8^5, (8 to the power of 5) the reason behind the five is because we see the 8 being multiplied about 5 times

Three instrument panel designs are being considered. We are interested in pilot response times as a function of these panel designs. Randomly selected pilots are randomly given simulated emergency situations and response times are measured. We are concerned that pilot experience may also influence our results. Analyze the data both including and not including the covariate of experience. Does including the covariate matter in this case? Is there another covariate we should have included?



see the analysis below

Step-by-step explanation:

-3(-5)+7y=5(-5)+2y solve for y




Step-by-step explanation:



5y= -10

5y/5= -10/5

y= -2


y= -17/5 or -3.4

Step-by-step explanation:

-8+7y= -25+2y

5y= -17

y= -17/5 or -3.4

0 + 12 and 0 *O Yes; Identity Property
O Yes; Associative Property
O Yes; Commutative Property
O Yes; Inverse Property
O Expressions are not equal



Yes; Identity Property..

I hope it helps...