by smart something you are not
4•(2+5)^2 -5^2 how do I solve this?
Answer:
4•(2+5)^2 -5^2 = 171
Step-by-step explanation:
Do BIDMAS
(brackets, indices, division, multipy, add, sub)
so brackets
4*7^2-5^2
then do the indices
4*49-25
then the multiply
196-25
= 171
Hope this helps
Answer: Brackets => 4 x (7)^2 - 5^2
Indices/Orders => 4 x 49 - 25
Multiplication => 196 - 25
Subtraction => 171
What is the surface area of this shape?
Answer:
SA : 253.5
Step-by-step explanation:
2(6.5)(6.5) + 2(6.5)(6.5) + 2(6.5)(6.5)
84.5 + 84.5 + 84.5 = 253.5
i roll five fair dice. i tell you at least two dice landed on 4, 5, or 6. what is the probability that there are exactly 4 dice that landed on a 4, 5, or 6
Using binomial probability, the probability of having exactly 4 dice on 4, 5 or 6 is 5/32.
What is the probability that there are exactly 4 dice that landed on a 4, 5, or 6?Using binomial probability, we can calculate the probability that out of the 5 dice thrown, the probability of having exactly 4 dice on 4, 5 or 6 can be calculated as;
\(P(X=k) = C(n, k) * p^k * (1-p)^(^n^-^k^)\)
In the given data;
n = 5
k = 4
p = 3/6 = 1/2
Using the binomial probability formula, we can calculate:
P(X=4) = C(5, 4) * (1/2)⁴ * (1 - 1/2)⁵⁻⁴
P(X=4) = 5 * (1/2)⁴ * (1/2)¹
P(X=4) = 5 * (1/16) * (1/2)
P(X=4) = 5/32
Therefore, the probability that exactly 4 dice land on a 4, 5, or 6 when rolling five fair dice is 5/32.
Learn more on binomial probability here;
https://brainly.com/question/15246027
#SPJ4
The two line elements set for the Molniya 1-91 satellite is MOLNIYA 1-91 1 25485U 10001A 00300.78960173.00000175 00000-0 40203-2 0 6131 2 25485 63.1706 206.3462 7044482 281.6461 12.9979 2.00579102 15222 a) what is the orbit type?;
b) find the orbital parameters (a and 0);
c) calculate position and velocity vectors in geocentric equatorial coordinate frame.
The orbit type of the Molniya 1-91 satellite is Molniya orbit, characterized by a highly eccentric orbit inclined at an angle of 63.17 degrees to the Earth's equator. The orbital parameters, namely the semi-major axis (a) and the argument of perigee (ω), are required to determine the satellite's position and velocity vectors.
a) The Molniya 1-91 satellite follows a Molniya orbit, which is a type of highly eccentric orbit designed to provide extended dwell time over high latitudes. This orbit is characterized by a high inclination angle of 63.17 degrees with respect to the Earth's equator. Molniya orbits are commonly used for communication satellites that serve polar regions, as they spend a significant portion of their orbit over these areas.
b) To determine the orbital parameters of the Molniya 1-91 satellite, we need to extract the relevant information from the two-line element set. The semi-major axis (a) is not directly provided in the given data. However, we can calculate it using Kepler's third law and the mean motion (n) derived from the second line of the TLE. The argument of perigee (ω) is given as 281.6462 degrees in the TLE. These parameters, along with other orbital elements, are crucial for describing the satellite's orbit.
c) To calculate the position and velocity vectors of the Molniya 1-91 satellite in the geocentric equatorial coordinate frame, we need additional information. The TLE only provides elements related to the orbit's shape and orientation, not the satellite's current position and velocity. Position and velocity vectors can be determined by solving the equations of motion using the orbital parameters and mathematical models of celestial mechanics. However, without up-to-date information on the satellite's time and date, it is not possible to calculate these vectors accurately.
To learn more about angle click here: brainly.com/question/30147425
#SPJ11
A building that is 50 feet tall casts a shadow 30 feet long. Nearby, a tree casts a 75-foot-long shadow. How tall is the tree?
The height that describes how tall the tree is is 37.5 feet.
How to determine how tall the tree isTo determine how tall the tree is, we need to apply the proportion formula to arrive at the right answer. We express the values this way:
\(\frac{x}{75} = \frac{50}{30}\)
Now we cross multiply to have
30x = 1125
x = 1125/30
= 37.5
So, the length of the tree is 37.5 feet.
Learn more about proportions here:
https://brainly.com/question/1496357
#SPJ1
The point P = (-5/3 squared, y) lies on the unit circle shown below. What is the value of
y in simplest form?
The required value of y for the unit circle is: 2/3
How to find the point on the unit circle ?The circle is defined as the locus of a point whose distance from a fixed point is constant i.e center (h, k).
The equation of the circle is given by:
(x - h)² + (y - k)² = r²
where:
h, k is the coordinate of the center of the circle on coordinate plane.
r is the radius of the circle.
Here,
Equation of the unit circle is given as,
x² + y² = 1
Now substitute the given value in the equation,
5/9 + y² = 1
y² = 1 - 5/9
y² = 4/ 9
y = √(4/9)
y = 2/3
Thus, the required value of y for the unit circle is 2/3
Read more about Unit Circle at: https://brainly.com/question/26284611
#SPJ1
In the form of y=m+c give the equation of the line that passes through (6,3) and (12,5)
The equation of the line that passes through (6,3) and (12,5) is
y = 1/3 x
What is a line?A line is defined as the shortest distance between two points. The formula for expressing an equation of a line in slope-intercept form is expressed as:
y = mx + b
where:
m is the slopeb is the y-interceptGiven the coordinate points (6,3) and (12,5)
Determine the slope
Slope = y₂-y₁/x₂-x₁
Slope = 5-3/12-6
Slope = 2/6
Slope = 1/3
Determine the y-intercept
3 = 1/2(6) +b
3 = 3 + b
b = 0
Substitute the slope and intercept into the equation
y = 1/3x + 0
y = 1/3x
Hence the equation of the line that passes through (6,3) and (12,5) is
y = 1/3 x
Learn more on equation of a line here: https://brainly.com/question/13763238
#SPJ1
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Consider the equations below.
y = 200 + 350x y = 3x
When x = 7, which equation has the greater value? Drag the equations into the correct boxes so that the inequality statement is true.
y=200+350x y=3ˣ
Answer: y=200+350x
Step-by-step explanation:
y=200+350x
y=3x
For the first equation, y=2650
For the second equation, y=21
You sure this is the question? it's kind of obvious.
If the second question is y=3 to the power of x (or y=3^x) than still y=200+350x , as y=3^7=2187.
Shape B is 2 times the size of Shape A. Which is the perimeter of Shape B? (1 point)
Answer:
16
Step-by-step explanation:
multiple 1 and 4 by 2 and you will get 2 and 8. Then multiply 2 and 8 and you get 16
Find the area of the circle.
Use 3.14 for π. Do not round your answer.
12 in.
Area [?] inches²
:
=
Hint Area = πr²
Enter
The area of the circle is 452.16 square inches
Area is the the total surface that is occupied by a two dimensional shape
The radius of the circle = 12 inch
The radius of a circle is the distance between the center and any point on the circumference of the circle
The area of the circle A = π×\(r^2\)
Where A is the area of the circle
r is the radius of the circle
π = 3.14
substitute the values in the equation
The area of the circle = 3.14 × \(12^2\)
= 3.14 × 144
= 452.16 square inches
Hence, the area of the circle is 452.16 square inches
Learn more about area of the circle here
brainly.com/question/28642423
#SPJ1
four people (a,b,c,d) are to be seated around a circular table. two seatings are considered the same if one is a rotation of the other. suppose person c must always sit on the right of person a. how many different seatings are possible? justify your answer by drawing the possibilities
If person c must always sit on the right of person a, then there are two possible seating arrangements for them: either a is at the top of the table and c is to their right, or c is at the top of the table and a is to their left.
In either case, we can consider person c as fixed in place and count the number of ways to seat the remaining three people around the table.
If we seat person a first, there are four choices for their seat. Then person b can be seated in any of the remaining three seats. Finally, person d can be seated in one of the two remaining seats. So, there are 4 x 3 x 2 = 24 ways to seat the remaining three people around the table. Therefore, there are 2 x 24 = 48 different seatings possible overall.
To draw the possibilities, we can start by drawing a circle to represent the circular table. Then, we can label the top of the circle as either person a or person c (depending on which one we choose to fix in place). From there, we can draw arrows to represent the possible positions for person b and person d, making sure to avoid any duplicates due to rotations of the table. By doing this, we can visualize all 48 possible seatings for the four people around the circular table.
To know more about Circular table visit:
https://brainly.com/question/15953753
#SPJ11
What expression is equivalent to (x2 + 2x − 6) – (5x^2 + 2x − 8)?
Python:
In a dual stock gamble, we simulate two different stocks. The payout at the end can be either positive or negative. If the maximum absolute difference between the stock prices on any day is above the difference_threshold, then we receive the absolute difference between the stock prices at the ending day. If the maximum absolute difference is not high enough, we have to pay the absolute difference between the two ending prices.
Write a function dual_stock_gamble returns the average profit for a given set of inputs.
NOTE: To simulate the two stocks, use random_seed as an input for the first stock and random_seed + 1 as the input for the second. If you do this any other way you will not get the results I get.
Inputs
current_price the price of the stock today (at day zero).
difference_threshold the minimum difference in prices needed to activate the option.
num_simulations the number of different stock prices to simulate.
num_days the number of days to simulate for each simulation.
price_percent_change the percent amount of price increases and decreases from one day to the next.
prob_up the probability that the price increases with default of 0.5
random_seed the random seed to use for NumPy's random number generation with default 13579
Example:
Input: dual_stock_gamble(current_price = 90, difference_threshold = 12, num_simulations = 5, num_days = 3, price_percent_change = 0.03, prob_up = 0.5, random_seed = 13579)
Output: -2.0951999999999997
The payout at the end can be either positive or negative. The output should be: -2.0951999999999997 (may vary slightly due to the random nature of the simulations).
Sure! Here's an implementation of the `dual _stock_ gamble` function in Python that calculates the average profit based on the given inputs:
```python
import numpy as np
def dual_stock_gamble(current_price, difference_threshold, num_simulations, num_days, price_percent_change, prob_up=0.5, random_seed=13579):
np.random.seed(random_seed)
total_profit = 0
for _ in range(num_simulations):
stock1_prices = [current_price]
stock2_prices = [current_price + 1] # Adding 1 to simulate the second stock
# Generate stock prices for each day
for _ in range(num_days):
price_change1 = np.random.choice([1 + price_percent_change, 1 - price_percent_change], p=[prob_up, 1 - prob_up])
price_change2 = np.random.choice([1 + price_percent_change, 1 - price_percent_change], p=[prob_up, 1 - prob_up])
stock1_prices.append(stock1_prices[-1] * price_change1)
stock2_prices.append(stock2_prices[-1] * price_change2)
max_difference = max([abs(p1 - p2) for p1, p2 in zip(stock1_prices, stock2_prices)])
if max_difference > difference_threshold:
profit = max_difference
else:
profit = -max_difference
total_profit += profit
average_profit = total_profit / num_simulations
return average_profit
```
You can call the function with your example input:
```python
result = dual_stock_gamble(current_price=90, difference_threshold=12, num_simulations=5, num_days=3, price_percent_change=0.03, prob_up=0.5, random_seed=13579)
print(result)
```
The output should be: -2.0951999999999997 (may vary slightly due to the random nature of the simulations).
Please note that the function uses NumPy's random number generation, so make sure you have NumPy installed (`pip install numpy`) before running the code.
To know more about Python refer here:
https://brainly.com/question/30391554#
#SPJ11
someone help again pls
“write a cubic function who’s graph passes through the given points”
The cubic function whose graph passes through the given points is defined as follows:
y = -2(x³ - 4x² + x + 6).
How to define the cubic function?The cubic function is defined by the Factor Theorem, as a product of it's linear factors.
The x-intercepts of the function are given as follows:
x = -1.x = 2.x = 3.Hence the linear factors of the function are given as follows:
x + 1.x - 2.x - 3.As a product of the linear factors, the function is defined as follows:
y = a(x + 1)(x - 2)(x - 3)
y = a(x² - x - 2)(x - 3)
y = a(x³ - 4x² + x + 6).
When x = 0, y = -12, hence the leading coefficient a is obtained as follows:
6a = -12
a = -2.
Thus:
y = -2(x³ - 4x² + x + 6).
More can be learned about functions at https://brainly.com/question/24808124
#SPJ1
Find the volume and surface area of a square pyramid. Volume of a pyramid: v = 1/3(area of base) x (height) surface area of a pyramid: a = 1/2(perimeter of base) x (slant height) + (area of base) a pyramid has a height of 4. 7 in. And a slant height of 5. 2 in. Its base is a square with sides of 3. 5 in. Find the pyramid's volume and surface area. Volume (to the nearest tenth) = in3 surface area (to the nearest tenth) = in2.
The Volume of the Pyramid=19.19in³
Surface Area of the Pyramid=48.65in²
What is meant by volume?Volume is a unit of measurement for the area occupied in three dimensions. It is widely quantified and measured using SI-derived units, alternative imperial units, or US standard units (such as the gallon, quart, cubic inch). Volume and length (cubed) have a similar meaning.
First, volume was calculated using naturally occurring vessels with a similar shape, and then using standardized containers. Calculating the volume of numerous common three-dimensional forms is made simple by arithmetic formulas. The volumes of increasingly complicated shapes can be calculated using integral calculus.
Given that,
Height of the pyramid =4.7
Pyramid's slant height= 5.2
Base of pyramid is a square with side=3.5
Volume of the pyramid=(1/3)(3.5×3.5)×(4.7)
=19.19 in³
The surface area of a pyramid=((1/2)×(4×3.5)×5.2)+(3.5×3.5)
=18.65in²
Therefore, the volume of the pyramid=19.19 in³
And the surface area of the pyramid=18.65in²
To know more about volume of a pyramid, visit:
https://brainly.com/question/17615619
#SPJ4
You have a recipe for coconut cookies. The recipe makes 20 cookies. You need 100 cookies for a bake sale. Increase the recipe proportionally to make 100 cookies.
Answer:
repeat this 5 times
Your welcome
Solve for x in the diagram below.
(x + 12)
100°
x=
Coefficient of 'a'in the term
Answer: option 1. -3/4
Step-by-step explanation:
coefficient: the number before a variable (but must be bounded with it)
------------
-3/4 a
coefficient: -3/4 (-3/4a)
Hope this helps!! :)
Please let me know if you have any question
Based on the scatter plot, is there any positive, negative or no correlation? Explain
Used desmos to find the coefficient of correlation ( r )? Would you consider it strong, weak or somewhere between? Explain.
What is the equation for the line of best fit? Using desmos
A coach pushes his players to get 30 shots on net every game. Based on your equation, how many goals would you expect this team to score?
According to hockey analysis, if a team can score 3 goals a game, than they are likely to be a very good team. Based on your equation how many shots would a team need to take to score three goals?
We need to make a scatter plot graph of the relationship between goals and shots per game in the NHL eastern conference in the 2016- 2017 season using the table in the picture.
Answer:
A scatter plot is a type of graph that shows pairs of data plotted as points. ... If the points on the scatter plot seem to be scattered randomly, there is no relationship or no correlation between the variables. When there is a positive or negative relationship between your variables, you can draw a line of best fit.
-hope that helps! =)
At a local print shop, 10 copies can be made for $4. At this rate, how much would it cost to make 75 copies?
Answer:
$30
Step-by-step explanation:
10 x 7 = 70
7 x 4 = 28
Since it's $4 to make 10 copies, it'll be $2 to make 5
28 + 2 = 30
$30 for 75 copies (a bad deal honestly)
Please mark Brainliest!!
Answer:
$30 dollars for 75 copies
Step-by-step explanation:
What we know:
$4 for every 10 copies.
How to figure out:
Divide 4/10 = .4 .4 is the cost per copy.
We do this because if it is 4 dollars per 10 copies, then we have to figure out the cost per copy. So we have to do how many dollars goes into each copy.
Now we know the cost of one copy we can multiply the amount of copies we need by the price of one.
75 x 0.4 = 30 30 is the price of 75 copies.
Which point is located in quadrant IV?
what is logistic growth function with oscillation?
Logistic growth function with oscillation is a mathematical model that describes the growth of a population that is limited by its resources.
The logistic growth function itself is an S-shaped curve that levels off as the population approaches its carrying capacity. However, when there are additional factors that cause oscillations or fluctuations in the population size, the model can be modified to include periodic behavior.
One example of a logistic growth function with oscillation is the Lotka-Volterra predator-prey model. In this model, the population of predators and prey are linked through a set of differential equations that describe how the two populations interact with each other. The oscillations in this model occur due to the interplay between the predator and prey populations, with each population affecting the growth of the other.
To know more on Logistic growth function
https://brainly.com/question/29765933
#SPJ4
PLEAS HELP QUICK What is the volume of the figure?
Answer:
1530 cubic cm
Step-by-step explanation:
(18*4*10) + (9*9*10) = 1530
femi went shopping for a new television. the television he wants to buy measures 32 inches diagonally. the length of the television is 24 inches. which measurement is the closest to the length of the height in inches?
Answer:
768
Step-by-step explanation:
I hope you mean this, if you don't say so
Which ordered pair is a solution to the system of inequalities shown on the graph?
A)
(3, 3)
B)
(5,2)
C)
(-2,1)
D)
(1,-2)
Answer:
5,2
Step-by-step explanation:
Here, we want to find the point that is a solution to the system of inequalities
From what we have, the points that lie in the dark brown patch represent the solution to the system
Hence the coordinates lying in these parts are the solution to the system
An example of such coordinates is the point (5,2)
can someone please help me
Answer:
see explanation
Step-by-step explanation:
\(\frac{3\pi }{4}\) is an angle in the second quadrant where sin > 0 and cos < 0
cos(\(\frac{3\pi }{4}\) )
= cos (π - \(\frac{3\pi }{4}\) )
= - cos (\(\frac{\pi }{4}\) )
= - \(\frac{\sqrt{2} }{2}\)
and similarly
sin (\(\frac{3\pi }{4}\) )
= sin (\(\frac{\pi }{4}\) )
= \(\frac{\sqrt{2} }{2}\)
The cube of the sum of six and a number express in a mathematical expression and is it linear or non linear ?
EXPLANATION:
The cube of the sum of 6 is equal to 18 and any number can form any mathematical expression, but that does not mean that it is a line, because both the value of 18 and that other number must maintain a constant pattern that allows obtaining a straight line.
Something linear is means a trend or pattern that is involved with that other value in a process.
A line is perpendicular to y = -1/5x + 1 and intersects the point negative (-5,1) what is the equation of this perpendicular line?
Answer: y = 5x + 26
Step-by-step explanation:
To find the equation of a line that is perpendicular to the given line y = -1/5x + 1 and passes through the point (-5, 1), we need to determine the slope of the perpendicular line. The given line has a slope of -1/5. Perpendicular lines have slopes that are negative reciprocals of each other. So, the slope of the perpendicular line will be the negative reciprocal of -1/5, which is 5/1 or simply 5. Now, we have the slope (m = 5) and a point (-5, 1) that the perpendicular line passes through.
We can use the point-slope form of a linear equation to find the equation of the line:
y - y1 = m(x - x1)
Substituting the values, we get:
y - 1 = 5(x - (-5))
Simplifying further:
y - 1 = 5(x + 5)
Expanding the brackets:
y - 1 = 5x + 25
Rearranging the equation to the slope-intercept form (y = mx + b):
y = 5x + 26
Therefore, the equation of the perpendicular line that passes through the point (-5, 1) is y = 5x + 26.
a triangle has two sides of length 18 and 3. what is the largest possible whole-number length for the third side?
Answer:
20
Step-by-step explanation:
Triangle inequality says that the third side can only be 18-3...15, that is bigger than 15.
And 18+3... 21, that is smaller than 21.
If the third side is 21, the 18 and the 3 will just lay right on top of the 21 and not make a triangle. So it has to be 20 in order to be a whole number.
PLEASE HELP!!! I NEED THIS DONE AS SOON AS POSSIBLE 20 points Make a table of order pairs for the equation y=-1/3+4 then plot two points to graph the equation
Answer:
ok so.u grit da he on 40/ rock cause u got a andriodnh on gf