The correct option is (A) i.e. apex.
What is a Pyramid?
In geometry, a pyramid is a three-dimensional solid object that has a polygonal base and triangular lateral faces that meet at a single point called the apex. The shape of the pyramid depends on the shape of its base, which can be any polygon such as a triangle, square, rectangle, pentagon, hexagon, etc.
The vertex at which the triangular lateral faces of a pyramid meet is called the apex. This point is the highest point of the pyramid and is located directly above the centroid or center of mass of the polygonal base.
The reason why the vertex of a pyramid is called the apex is because it is the highest point of the pyramid, similar to the highest point of a mountain or the apex of a triangle. The term "apex" is commonly used in mathematics and geometry to describe the highest point or the tip of a shape, and it is also used in other fields such as biology and linguistics to refer to the highest point or tip of an object or structure.
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Which of the following rational functions is graphed below?
Answer:
D. F(x) = \(\frac{1}{(x+4)}^{2}\)
Select all that apply.
Choose all the metric units of length.
millimeter
kilometer
kilogram
mile
meter
centimeter
inch
liter
Answer:
a,b,c,e,h
Step-by-step explanation:
Answer:
millimeters, centimeters, meters, and kilometers
Step-by-step explanation:
These are the metric units that measure length. The question throws you off and answers that are metric that measure weight as well but the question asks for metric that measures length.
Question 3 of 10
Solve the inequality and enter your solution as an inequality in the box below,
using "<="fors or ">" for 2 if necessary.
-2(5x + 1) > 48
Answer here
The solution to the inequality is x < -5.
To solve the inequality -2(5x + 1) > 48, we need to isolate the variable x. Let's simplify the equation step by step:
-2(5x + 1) > 48
Start by distributing -2 to the terms inside the parentheses:
-10x - 2 > 48
Next, isolate the variable by adding 2 to both sides of the inequality:
-10x - 2 + 2 > 48 + 2
-10x > 50
Now, divide both sides by -10, remembering to flip the direction of the inequality when dividing by a negative number:
(-10x) / (-10) < 50 / (-10)
x < -5
This means that any value of x that is less than -5 will satisfy the original inequality. To express the solution using an inequality symbol, we write x ∈ (-∞, -5). The symbol (-∞, -5) represents the interval of all real numbers less than -5, including -5 itself.
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Calculate the perimeter of the following shape.
6cm
y=
10 cm
12 cm
5 cm
Answer:
The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides.
10 cm + 12 cm + 5 cm + 6 cm
= 33 cm
A game of Blackjack or “21” is played with a regular deck of cards. The aim of the game is to have cards that add up to 21. The cards are not replaced to the deck once they have been drawn. If you draw two cards in a row, what is the probability of getting 21, when first card you get is an ace and the second card is a queen?
The probability of getting 21, when first card is an ace and the second card is a queen = 0.024133.
The term blackjack means that you get a value of 21 with only two cards.
Number of cards in a deck of cards = 52
There are 4 types of cards in a deck of cards - spades, clubs, hearts, and diamonds, out of which spades and clubs are black in colour.
Given that first card is Ace and second one is a Queen.
Odds of getting an Ace are 4/52, odds of the next being Queen is 16/51.
P(blackjack)=4×16/(52/2).
where P is used for probability .
Probability: Probability is simply how likely something is to happen. Whenever we are unsure about the outcome of an event, we can talk about the probabilities of certain outcomes. The analysis of events governed by probability is called statistics.
Probability of getting an ace followed by a queen card: 4/52 * 16/51 = 0.024133.
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A music store sold 103 CDs and 102 CD players. If each CD costs $12
and each CD player costs $35, what was the store's total earnings?
$15,500
© $36,200
$24,500
0 $47.000
Answer:
$15,500
Step-by-step explanation:
It would help if you put the actual question in place
10³ CDs = 1000 at $12 each = $12000
+ 10² Players = 100 at $35 each = $ 3500
Total $15500
103(12) + 102(35) = $4806
Five less than twice the sum of a number n and twelve
A dog shelter is giving away 19 different dogs, but you have room for only 4 of them. How many different dog families could you create?
The 19 tykes given away by the Shelter, that have room for only 4 tykes per family.
The number of different canine families that could be created from the 19 tykes given away by the sanctum, we need to calculate the number of combinations. room for only 4 tykes , we need to choose 4 tykes from the aggregate of 19 tykes . The order of the tykes in the family doesn't count, as long as we choose different tykes for each family. The number of combinations can be calculated using the formula for combinations C( n, r) = n!/( r!( n- r)!) Where C( n, r) represents the number of combinations of choosing r particulars from a set of n particulars. In this case, we've n = 19( total number of tykes ) and r = 4( number of tykes per family). Plugging these values into the formula, we get C( 19, 4) = 19!/( 4!( 19- 4)!) Calculating the factorial values 19! = 19 × 18 × 17 × 16 × 15 × 14 × 13 × 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = ! = 4 × 3 × 2 × 1 = 24 15! = 15 × 14 × 13 × 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = Substituting these values into the formula C( 19, 4) = /( 24 ×) ≈ 91,390 The 19 tykes given away by the sanctum, considering that you have room for only 4 tykes per family.
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Solve using a proportion.
Answer:
i cant see it
Step-by-step explanation:
Function and notaion.
Answer: 45
Step-by-step explanation:
Function notation: is another way of writing a function to make it easy to understandInstead of the independent and dependent variables being x and y they are now x and f(x)f(x) can be interpreted as the y value at a given x value in this case f(-5) must be solved for, essentially saying what is y when the x value is -5\(f(-5)=2(-5)^{2} -5\)
\(f(-5)= 2(25) -5\)
\(f(-5) = 50-5\)
\(f(-5) = 45\)
Find an equation of the line having the given slope and containing the given point.
Slope is -2
Line through (5, -6)
Answer:
y = -2x + 4
Step-by-step explanation:
Pre-SolvingWe are given that a line has a slope (m) of -2 and passes through (5, -6).
We want to write the equation of the line.
There are three ways to write the equation of the line:
Slope-intercept form, which is y=mx+b, where m is the slope and b the value of y at the y-intercept.Standard form, which is ax+by=c, where a, b, and c are free integer coefficients. Point-slope form, which is \(y-y_1=m(x-x_1)\), where m is the slope and \((x_1,y_1)\) is a point.Any of these forms will work, however let's put it into slope-intercept form as that is the most common way.
SolvingAs we are already given the slope, we can immediately plug that into the equation.
Substitute m with -2.
y = -2x + b
Now, we need to solve for b.
As the equation passes through (5, -6), we can use its values to help solve for b.
Substitute 5 as x and -6 as y.
-6 = -2(5) + b
Multiply.
-6 = -10 + b
Add 10 to both sides.
4 = b
Substitute 4 as b.
y = -2x + 4
There is one way that 100005 can be written as a sum of two prime numbers. Which two prime numbers add up to 100005?
The two prime numbers that add up to 100005, based on the properties of prime numbers would be 2 and 100003.
How to find the prime numbers ?To find the two prime numbers, the relevant relationship would be the Goldbach's Conjecture. This posits that every even number greater than 2 can be expressed as the sum of two prime numbers.
So, to write an odd number as the sum of two prime numbers, one of the prime numbers has to be 2 because we know that 2 is the only even prime number.
The other number would therefore be:
= 100005 - 2
= 100003
100003 is a prime number so the two prime numbers are 2 and 100003.
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Which of the lines is a line of symmetry for the triangle?
A. FG and HI
B. DE only
C. none of the lines
D. FG only
\(\qquad\qquad\huge\underline{{\sf Answer}}\)
The Correct choice is :
A. FG and HIAs we know, line of symmetry divides a figure into two equal halves, where the two resultant figures are congruent to each other.
Solve the inequality and enter your solution as an inequality comparing the
variable to a number.
x-30 > 30
Answer:
\(x > 60\)
Step-by-step explanation:
\(x-30 > 30\)
\(x > 60\) (add 30 onto both sides of the inequality)
Use the graph of the line to answer the questions. what is an equation of the line in slope-point form? _____
How can the point-slope form be written in function notation?
_______
The slope-point form is y + 1 = (1/4) (x +2)
The function notation for the point-slope form is f(x) = -1 + (1/4) (x +2)
From the graph, we get two points (x₁, y₁) = (-2, -1) and (x₂, y₂) = (2,0)
Slope, m = \(\frac{y_2-y_1}{x_2-x_1}\)
= \(\frac{0 --1}{2--2}\)
= 1/4
The slope-point form of a line is (y-y₁) = m(x-x₁), where (x, y) is the general point on the line, (x₁, y₁) is a given point on the line and m, the slope of the line.
So here the slope-point form of the line is,
(y- -1) = 1/4(x- -2)
⇒ y + 1 = (1/4) (x +2)
For the function notation, we put y = f(x) simply and write it as,
f(x) = -1 + (1/4) (x +2)
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the first one is c
the second is B
Step-by-step explanation:
Xavier and Yifei have been married for exactly 37 years.Yifei is four years older than Xavier. Now the sum of their ages is 124. How old was Yifei when theywere married?a) Set up and write an equation that represents
Answer:
Xavier's age = 23
Yifei's age = 27
Step-by-step explanation:
Represent Yifei's age with Y and Xavier's age with X;
Given that the sum of their ages is 124;
X + Y = 124
Also, given that Yifei is 4 years older
Y = X + 4
Required
Find their age when they got married
From the parameters above, we've been able to form a simultaneous equation
\(X + Y = 124\)
\(Y = X + 4\)
Substitute X + 4 for Y in the first equation
\(X + X + 4 = 124\)
\(2X + 4=124\)
Subtract 4 from both sides
\(2X + 4 - 4 = 124 - 4\)
\(2X = 120\)
Divide both sides by 2
\(\frac{2X}{2} = \frac{120}{2}\)
\(X = 60\)
Substitute 60 for X in the second equation
\(Y = X + 4\) becomes
\(Y = 60 +4\)
\(Y = 64\)
To get their ages when they got married; we simply subtract 37 from their current ages
Xavier's age = 60 - 37
Xavier's age = 23
Yifei's age = 64 - 37
Yifei's age = 27
Which is the graph of y=[x]-2
Answer:
Step-by-step explanation:
The graph of y=[x]-2 is the graph of the floor function shifted downward 2 units. The floor function takes any real number x and returns the greatest integer less than or equal to x. So, the graph of y=[x] is a series of horizontal steps with each step starting at an integer value of x and ending at the next integer value of x.
When we subtract 2 from the floor function, the entire graph shifts downward 2 units. So, each horizontal step of the graph of y=[x] is now 2 units lower than before.
In one or two sentences, explain how setting can reveal the theme of a text.
Answer:
Setting can reveal the theme of the text because if the setting is a funeral, the theme may be about death or appreciation of life.
I need help with this please help me
Answer: A
Step-by-step explanation:
The three angles in a triangle add to \(180^{\circ}\). Therefore, each angle measures \(\frac{180^{\circ}}{3}=60^{\circ}\).
Which conic section is represented by the following equation?
5x2 – x + 5y2 – 3y + 4 = 0
Circle
Ellipse
Parabola
Hyperbola
Answer:
A. circle
Step-by-step explanation:
Answer:
A: Circle!
Step-by-step explanation:
Edge 2022
Find an autonomous differential equation with all of the following properties:
equilibrium solutions at y=0 and y=3,
y' > 0 for 0
y' < 0 for -inf < y < 0 and 3 < y < inf
dy/dx = ______
dy/dx = (y-3)(y+3) is the autonomous differential equation that satisfies all of the given properties.
The autonomous differential equation that satisfies all of the given properties is dy/dx = (y-3)(y+3). This equation has two equilibrium solutions at y = 0 and y = 3, and is positive for -inf < y < 0, and negative for 0 < y < 3, and positive for 3 < y < inf.
To demonstrate this, let's consider the equation at y=-3. Since y=-3 is less than 0, the equation can be simplified to dy/dx = 6. Since 6 is positive, y' is also positive, meaning that y is increasing. Similarly, if y=3, dy/dx = 0 which is neither positive nor negative, so y remains constant. Finally, for y>3, dy/dx = -6, which is negative, so y is decreasing.
Therefore, dy/dx = (y-3)(y+3) is the autonomous differential equation that satisfies all of the given properties.
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I am a parallelogram. Two of my sides are parallel to the bottom of the paper. The endpoints of the bottom side are at (2, 5) and (9, 5). The slope of the line segments that form my two sides is 0.75, and the length of each side is 5 units. What are my other two vertices?
According to the information, the vertex at the top left of the parallelogram is (4, 8.25). Thus, the other two vertices of the parallelogram are (2, 5), (9, 5), (7, 8), and (4, 8.25).
How to find the vertices of the parallelogram?To find the vertex of the parallelogram we can use the point-slope form of a line: y - y1 = m(x - x1), where,
m = slope(x1, y1) = point on the lineFor the side sloping up from left to right, we can use the point (2, 5), since it is on the bottom side of the parallelogram. Plugging in the values, we get:
y - 5 = 0.75(x - 2)Simplifying, we get:
y = 0.75x + 3.5To find the point where this line intersects the top side of the parallelogram, we can use the fact that the length of the sloping side is 5 units. We know that the endpoint of the bottom side at (2, 5) is 5 units away from the intersection point in the x-direction, so we can add 5 to the x-coordinate to find the intersection point. Plugging in x = 7 into the equation above, we get:
y = 0.75(7) + 3.5 = 8Therefore, the vertex at the top right of the parallelogram is (7, 8).
For the side sloping down from left to right, we can use the point (9, 5), since it is on the bottom side of the parallelogram. Plugging in the values, we get:
y - 5 = -0.75(x - 9)Simplifying, we get:
y = -0.75x + 11.25To find the point where this line intersects the top side of the parallelogram, we can again use the fact that the length of the sloping side is 5 units. We know that the endpoint of the bottom side at (9, 5) is 5 units away from the intersection point in the x-direction, so we can subtract 5 from the x-coordinate to find the intersection point. Plugging in x = 4 into the equation above, we get:
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You are in charge of monitoring the pressure of a compressed air tank in a processing plant. After repeating the pressure measurement a large number of times, you found that the pressure values have Gaussian distribution with a mean value of 69 psi and a standard deviation of 10 psi. If it is important that the pressure stays below 84 psi, what is the probability (in percent) that the pressure will exceed this value
Answer:
11.5
Step-by-step explanation:
Given that :
I am in charge of the pressure reading in a compressed air tank of a processing plant.
The Gaussian distribution having a mean value = 69 psi
Standard deviation = 10 psi
Here we have to find the probability that the pressure will exceed 84 psi.
So,
\(P(X \geq 84) = P \left(\frac{X - 69}{10} > \frac{84-69}{10} \right)\)
\($=P(Z > 1.5)$\)
\($=1-P(Z < 1.5)$\)
= 0.115
= 11.5
Solve sin ( 6 x ) cos ( 8 x ) − cos ( 6 x ) sin ( 8 x ) = − 0.75 for the smallest positive solution.
The smallest possible solution for the given trigonometric equation is
approximately 0.42 radians
A trigonometric equation is one in which one or more unknown trigonometric ratios are involved. It is expressed using , cosine(cos), cotangent(cot), sin(sin) ,secant(sec), tangent(tan) and cosecant(cosec) angles.
A few examples of trigonometric equations are:
A formula containing a variable and a trigonometric function is referred to as a trigonometric solution. For example, sin x + 2 = 1 is a trigonometric equation. The equations could be as simple as this or as complex as sin2 x -2 cos x -2 = 0.
sin ( 6 x ) cos ( 8 x ) − cos ( 6 x ) sin ( 8 x ) = − 0.75
Using the trigonometric formula for the compound angles we can simplify it as:
sin(6x-8x) = -0.75
or, sin(-2x) = -075
or, x = 0.4153.. +nπ
for n=0, x=0.42
Therefore the required solution is 0.42 radians.
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Matrix M has x-rows and (11-x) columns. Matrix N has y-rows and (y+5) columns. If MN and NM both are defined, find the values of x and y
Answer:
\(x=8, y=3\)
Step-by-step explanation:
Recall that if a matrix multiplication of two matrices is defined, then the number of columns of the first matrix is equivalent to the number of rows of the second matrix.
Since matrix M has (11-x) columns and matrix N has y rows, and MN is defined, so it follows:
\(y=11-x----(1)\)
Since matrix N has (y+5) columns and matrix M has x rows, and NM is defined, so it follows:
\(y+5=x----(2)\)
Substitute (1) into (2):
\(11-x+5=x\\2x=16\\\therefore x=8--(3)\)
Substitute (3) into (1):
\(y=11-8=3\)
Find the 60th term of the following sequence.
8, 16, 24. ...
Answer:
Step-by-step explanation:
Remark
You want the 60th term of the arithmetic (?) sequence given.
Formula
L = a + (n - 1)*d
Givens
L = ?
a = 8
d = 8
n = 60
Solution
L = 8 + (60 - 1)*8
L = 8 + 60*8 - 8
L = 480
Answer
The 60th term is 480
Answer:
Step by step explanation :
As we know
\(\:\bf\boxed{an\:=\:a\:+\:(n\:-\:1)\:d}\)
where,
an = the nth term in the sequence
n = the term
d = common difference
a = first term of the AP.
Here,
an = a60
n = 60
d = 16 - 8 = 8
a = 8
Now,
\(\:\mathsf{a60\:=\:8\:+\:(60\:-\:1)(8)}\)
=> \(\:\mathsf{a60\:=\:8\:+\:(59)(8)}\)
=> \(\:\mathsf{a60\:=\:8\:+\:472}\)
=> \(\:\bf{a60\:=\:480}\)
Therefore the 60th term of the AP is 480.
find the midpoint of the line segment joining the points R(1,3) and S(-2,6).
We have the points R(1,3) and S(-2,6).
We have to calculate the mid point.
The mid point will have coordinates that are the average of each point's coordinate.
In this case, being M the mid point, the coordinate X will be:
\(M_x=\frac{R_x+S_x}{2}=\frac{1+(-2)}{2}=-\frac{1}{2}\)The Y coordinate will be:
\(M_y=\frac{R_y+S_y}{2}=\frac{3+6}{2}=\frac{9}{2}\)The midpoint between R and S is M=(-1/2, 9/2).
Nikhil and Mae work at the same company. Nikhil has been at the company 4 times as long as Mae. Nikhil's time at the company is 8 more than 2 times Mae's time. The following system of equations models the scenario: x = 4y x = 8 + 2y How many years has each person been employed by the company? Nikhil has been with the company for 16 years, while Mae has been there for 4 years. Nikhil has been with the company for 24 years, while Mae has been there for 6 years. Nikhil has been with the company for 20 years, while Mae has been there for 5 years. Nikhil has been with the company for 12 years, while Mae has been there for 3 years
The number of years of employment is A. Nikhil has been with the company for 16 years, while Mae has been there for 4 years.
How to find the years of employment ?The system of equations given is:
x = 4y
x = 8 + 2y
You can solve the system by setting the two expressions for x equal to each other:
4y = 8 + 2y
2y = 8
2y / 2 = 8 / 2
y = 4
Substitute y = 4 into the first equation to solve for x:
x = 4 x 4
= 16
So, Mae (y) has been at the company for 4 years and Nikhil (x) has been at the company for 16 years.
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3.
A coat is discounted 40% off its regular price. Which value is equivalent to 40%?
0.004
40
40% means "40 out of 100"
40 ÷ 100 = 0.40
So, 40% = 0.40 as a decimal
Which of the scatter plots below shows the most accurate line of best fit?
PLS LOOK AT PICTURE AND HELP ME, IM BEING TIMED
Answer:
Z
Step-by-step explanation: