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zzz [600]
3 years ago
15

Is this true or false

Mathematics
1 answer:
viktelen [127]3 years ago
5 0

Step-by-step explanation:

im not really sure because there is no question

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Why does -4i*i=4? what happens to the i when you multiply it
Alchen [17]

▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

As we know that :

  • {i}^{2}  = i \times i =  - 1

so, over here

  • - 4i \times i

  • - 4 {i}^{2}

plugging the value of i² as -1

  • - 4   (- 1)

  • 4
8 0
3 years ago
henry has 68 miles to destination after 45 minutes and 51.5 miles to destination after 71 minutes of driving. How many miles to
Airida [17]
Let d represent the distance of the destination from the starting point.

After 45 min, Henry has already driven d-68 miles.  After 71 min., he has already driven d-51.5 miles.

So we have 2 points on a straight line:

(45,d-68) and (71,d-51.5).  Let's find the slope of the line thru these 2 points:

                                 d-51.5 - (d-68)         16.5 miles
slope of line = m = ----------------------- = ------------------
                                     71 - 45                   26 min

Thus, the slope, m, is   m = 0.635 miles/min

The distance to his destination would be d - (0.635 miles/min)(79 min), or 

d - 50.135 miles.  We don't know how far his destination is from his starting point, so represent that by "d."

After 45 minutes:  Henry has d - 68 miles to go;

After 71 minutes, he has        d - 51.5 miles to go; and

After 79 minutes, he has         d -  x miles to go.  We need to find x.

Actually, much of this is unnecessary.  Assuming that Henry's speed is 0.635 miles/ min, and knowing that there are 8 minutes between 71 and 79 minutes, we can figure that the distance traveled during those 8 minutes is

(0.635 miles/min)(8 min) = 5.08 miles.  Subtracting thix from 51.5 miles, we conclude that after 79 minutes, Henry has (51.5-5.08), or 46.42, miles left before he reaches his destination.




7 0
3 years ago
1. use the following normal-form game to answer the questions below. a. identify the one-shot nash equilibrium (10 pts) b. suppo
Bingel [31]

One-Shot Nash equilibrium is (A, C).

Yes the players can achieve payoffs that are better than the one-shot Nash equilibrium.

This is due to the fact that player 2 will choose strategy C if player A chooses option A. Player 2 will immediately choose Plan C if Player A chooses Option B. As a result, C becomes the second player's dominant strategy. The optimal decision for player 1 is to choose strategy A if player 2 chooses option C. Player 1 will select A if Player 2 chooses to choose D, making this Player 1's dominant move.

A Nash equilibrium is necessary for matrix reward games with two players if the row chosen is to maximize the payoff for the row player given the column chosen by the column player, and the column, in turn, is to maximize the payoff for the column player given the row chosen by the row player.

Learn more about Nash equilibrium:

brainly.in/question/4220195

#SPJ4

7 0
1 year ago
Evaluate each expression for the given value of x -4x+7 for x=-1
pickupchik [31]
<span>given value of x -4x+7 for x=-1

</span>-4x+7
=-4(-1) + 7
=4 +7
=11
7 0
3 years ago
The area of Miguel’s rectangular garden is 450 square feet. The garden is 9 feet wide.
Daniel [21]

Answer: 118 feet

Step-by-step explanation:

For a rectangular shape: Area = W × L

450 = 9 × L

450 ÷ 9

L = 50

Perimeter of a rectangular shape = 2L + 2W

Perimeter = (2 × 50) + (2 × 9)

= 100 + 18 = 118 feet

0 0
3 years ago
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