A. -25

B.25

C.-1/25

D.1/25

Answer:

**Answer:**

-1/25

**Step-by-step explanation:**

- (a)^-2

Let a = -5

- (-5)^-2

-1/(-5)^2

-1/25

Answer:

**Answer:**

-1/25

**Step-by-step explanation:**

-(-5)^-2 = -1/(-5)^2 = **-1/25**

0.05061 to 3 significant numbers

Find the value of x.I need help please!

Mr. Ruiz drove 205 miles in 5 hours on Saturday and 180 miles in 4 hours on Sunday. What was his average speed, in miles per hour, for the two days

There are twelve signs of the zodiac. How many people must be present for there to be at least a 50% chance that two or more of them were born under the same sign

Chapter1Review & RefreshSimplify the expression.1. 18x - 6x + 2x2. 4b – 7 – 15b + 33. 15(6-g)4. –24 + 2(y – 9)Please help me with these 4 problems!!:))

Find the value of x.I need help please!

Mr. Ruiz drove 205 miles in 5 hours on Saturday and 180 miles in 4 hours on Sunday. What was his average speed, in miles per hour, for the two days

There are twelve signs of the zodiac. How many people must be present for there to be at least a 50% chance that two or more of them were born under the same sign

Chapter1Review & RefreshSimplify the expression.1. 18x - 6x + 2x2. 4b – 7 – 15b + 33. 15(6-g)4. –24 + 2(y – 9)Please help me with these 4 problems!!:))

**Answer:**

**Step-by-step explanation:**

__Equation of a Line__

We can find the equation of a line by using two sets of data. It can be a pair of ordered pairs, or the slope and a point, or the slope and the y-intercept, or many other combinations of appropriate data.

We are given a line

And are required to find a line perpendicular to that line. Let's find the slope of the given line. Solving for y

The coefficient of the x is the slope

The slope of the perpendicular line is the negative reciprocal of m, thus

We know the second line passes through (2,3). That is enough information to find the second equation:

Operating

Simplifying

That is the equation in slope-intercept form. Intercept: y=4

**Answer:**

b

**Step-by-step explanation:**

b/ Estimate the change in the optimal value of Q if the cost constraint is changed to K + 4L = 65, and state the new maximum value of the production function.

**Answer:**

bsjsisisos9ss9w9s9s9

b. Find k (in units of day−1, assuming that 10% of the population knows the rumor at time t=0 and 40% knows it at time t=2 days.

c. Using the assumptions in part (b), determine when 75% of the population will know the rumor.

d. Plot the direction field for the differential equation and draw the curve that fits the solution y(0)=0.1 and y(0)=0.5.

**Answer:**

The answer is shown below

**Step-by-step explanation:**

Let y(t) be the fraction of the population that has heard the rumor at time t and assume that the rate at which the rumor spreads is proportional to the product of the fraction y of the population that has heard the rumor and the fraction 1−y that has not yet heard the rumor.

a)

where k is the constant of proportionality, dy/dt = rate at which the rumor spreads

b)

At t = 2, y = 40% = 0.4

c) At y = 75% = 0.75

**Answer:**

**Step-by-step explanation:**

The first thing to notice is that the diamond is just a square rotated 45 degrees square, with 90 feet sides, so the total area of the diamond is:

A(square)= l x l = 90 ft * 90 ft = 8100

We also need to calculate the area of the mound, assuming it being a circle:

A(circle)= And r=diameter/2= 18 ft/2 = 9 ft

A(circle) = = 81

Now since the ball has an equal chance of bouncing anywhere in the field, the probability would be the ratio of the area occupied by the mound inside of the diamond.

P= =

90(squared) + 90 (squared) = C (squared)

(we use 90 because the base path is 90 ft long since the diamond is a square that makes all sides 90 ft long)

8100 + 8100 = c(squared)

16200 = c(squared)

we will get the square root of 16200 to get the diagonal length

C=127.3 ft, and since it is the diagonal distance we will device it to 2, to get the distance from the pitcher ro the 2nd base.

127.3/2 = 67.7 ft.

67.7 ft is the distance from the pitcher to the 2nd base.

(we use 90 because the base path is 90 ft long since the diamond is a square that makes all sides 90 ft long)

8100 + 8100 = c(squared)

16200 = c(squared)

we will get the square root of 16200 to get the diagonal length

C=127.3 ft, and since it is the diagonal distance we will device it to 2, to get the distance from the pitcher ro the 2nd base.

127.3/2 = 67.7 ft.

67.7 ft is the distance from the pitcher to the 2nd base.

1/-4^-5

**Answer: I got -1024...**

**Step-by-step explanation:**