Answer:
Step-by-step explanation:
The meaning of the function notations are
G(Jada) = 4 means that the first name Jada has four letters
C(11-15)= chemistry means that the Monday class for 11-15 is chemistry
How to interpret the function notations?
The meaning of the function G
From the question, we have the following parameters that can be used in our computation:
Function G gives the number of letters in the first name for its output.
Next, we have
G(Jada) = 4
Using the meaning of the function, we have
G(Jada) = 4 means that the first name Jada has four letters
The meaning of the function C
From the question, we have the following parameters that can be used in our computation:
Function C gives a student's Monday class for its output.
Next, we have
C(11-15)= chemistry
Using the meaning of the function, we have
C(11-15)= chemistry means that the Monday class for 11-15 is chemistry
RECAP DO NOT UNDERDSTAND PLEASE HELP
The required Length of the DC is 30.47 Units.
What is right angled triangle?A right triangle, also known as a right-angled triangle, right-perpendicular triangle, orthogonal triangle, or formerly rectangled triangle, is a triangle with one right angle, or two perpendicular sides. The foundation of trigonometry is the relationship between the sides and various angles of the right triangle.
According to question:We have;
In ΔABD, ∠BAD = 54° and in ΔBDC, ∠BCD = 28°.
Then, In ΔABD
Sin∅ = BD/20
Sin(54°) = BD/20
BD = 0.809(20)
BD = 16.18
in ΔBDC
tan(28°) = BD/DC
DC = BD/tan(28°)
DC = 16.18/0.531
DC = 30.47 Units.
Thus, required Length of the DC is 30.47 Units.
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Augustus is generally selfish and somewhat unpopular at school. He decides that
he could improve his image by sharing his candy with everyone at school. When he
has a pile of 100,000 candies, he generously plans to give away 60% of the candies
that are in the pile each day. Although Augustus may be earning more candies for
doing his homework, he is only giving away candies from the pile that started
100,000 (He's not that generous!)
Graph
The number of pieces of candy that will be left on day 4 would be 2, 560 candies .
The number of pieces of candy left on day 8 would be 66 candies .
How to find the number or candy left ?To find the number of candy left on the fourth day, given that Augustus only gives candies after the pile of 100, 000 candies is reached, the formula is:
= Number of starting candy x ( 1 - Percent given away ) ^ number of days
= 100, 000 x ( 1 - 60 % ) ⁴
= 100, 000 x 40 % ⁴
= 2, 560 candies
On Day 8, this would be:
= 100, 000 x ( 1 - 60 % ) ⁸
= 66 candies
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The question is:
How many pieces of candy will be left on day 4? On day 8?
Jenny can jog twice as fast as she can walk. She was able to jog the first 9.5 miles to
her grandmother's house, but then she tired and walked the remaining 2.5 miles. If the
total trip took 1.45 hours, then what was her average jogging speed?
Jenny's average jogging speed in the distance covered is; 10 miles/hr
How to solve Algebra Word problems?
Let x miles/hr be the speed that Jenny walks at
Then, 2x miles/hr is the speed that Jenny runs at
She jogs for 9.5 miles
2x miles = 1 hours
9.5 miles = a hours
a = 9.5/2x hours
She walks for 2.5 miles
x miles = 1 hour
2.5 miles = b
b = 2.5/x hours
Thus;
(9.5/2x) + (2.5)/x = 1.45
Multiply through by 2x to get;
9.5 + 5 = 2.9x
14.5/2.9 = x
x = 5 miles/hr
Jogging speed = 2 * 5 = 10 miles/hr
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Johnny has 3 spring jackets, 2 winter jackets, and 7 running jackets, what is the total number of jackets that Johnny owns?
Answer:
12
Step-by-step explanation:
3+2+7=12
Hope this helps! Please give brainliest!
Elmo wrote Kris a check for $601.73, and Kris deposited the check into her checking account. Where was Kris' signature?
A. On neither the front of the check nor the back of the check
B. On both the front of the check and the back of the check
C. Only on the back of the check
D. Only on the front of the check
The location of Kris' signature on the $601.73 check Elmo wrote to Kris and which Kris deposited into her checking account is on the back of the check. The correct option is option C.
C. Only on the back of the check
What is a checking account?A checking account is an account opened at a financial institution into which deposits and withdrawals can be made by a customer. A checking account can also be referred to as a transaction account, a credit unions share draft account, demand deposit account or current account.
The amount of check Elmo wrote Kris = $601.73
The amount Kris deposited into her checking account = The check Elmo issued to her
The location to sign before depositing a check into a checking account is at the back of the check, including informing the cashier that the specified check is to be deposited into the checking account.
The correct option is therefore option C.
C. Only on the back of the check
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where are the vertical asymptotes for y = 6 tan(0.2x)
The vertical asymptotes of y = 6tan(0.2x) is [tex]\:x=\frac{\pi }{0.4}+\frac{\pi }{0.2}n[/tex]
How to determine the vertical asymptotesFrom the question, we have the following parameters that can be used in our computation:
y = 6tan(0.2x)
The equation is a trigonometry function
The best way to determine the vertical asymptotes is with the use of a graphing tool
Using the above as a guide, we have the following:
From the graphing tool, we have
[tex]\:x=\frac{5\pi }{2}+\frac{\pi }{0.2}n[/tex]
This gives
[tex]\:x=\frac{\pi }{0.4}+\frac{\pi }{0.2}n[/tex]
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3. Given: RS LTS, RV LTV, and ST = VT Prove: RS RV R COMMON CORE GEOMETRY, UNIT #3-EUCLIDEAN TRIANGLE PROOF AND CONSTRUCTIONS-LESSON #9 S
Si una granja tiene chivos y canguros y hay 58 cabezas y 180 patas cuantos chivos y cuantos canguros hay en la granja
Answer:
26 kangaroos on the farm
32 goats on the farm
Step-by-step explanation:
To find the number of goats and kangaroos on the farm, we need to determine the number of legs each animal has. Let's say that there are 'g' goats and 'k' kangaroos.
Since each goat has 4 legs, the total number of legs for all the goats is 4g. Similarly, since each kangaroo has 2 legs, the total number of legs for all the kangaroos is 2k.
Adding these two quantities, we have:
4g + 2k = 180
Since each goat has 1 head, the total number of heads for all the goats is g. Similarly, since each kangaroo has 1 head, the total number of heads for all the kangaroos is k.
Adding these two quantities, we have:
g + k = 58
Now, we have two equations and two unknowns. To solve for 'g' and 'k', we can use substitution or elimination method.
Let's use substitution method:
From the second equation, we can find g:
g = 58 - k
Substituting this in the first equation, we get:
4(58 - k) + 2k = 180
Expanding and solving, we get:
232 - 4k + 2k = 180
232 - 2k = 180
-2k = -52
k = 26
So, there are 26 kangaroos on the farm. To find the number of goats, we can use the first equation:
g = 58 - k = 58 - 26 = 32
Therefore, there are 32 goats on the farm.
Someone help me with this quadratic functions
The graph of the quadratic equation y = 6x² is an upward parabola with vertex (0,0) and axis of symmetry as y-axis.
What is a quadratic equation?
The polynomial equations of degree two in one variable of type f(x) = ax² + bx + c = 0 and with a, b, c, ∈ R and a ≠ 0 are known as quadratic equations. It is a quadratic equation in its general form, where "a" stands for the leading coefficient and "c" is for the absolute term of f(x). Where it equals zero is where the quadratic equation finds its solutions. They are also known as the equation's roots.
Assuming the question is to graph the quadratic function y = 6x².
The x-intercept can be found by substituting y = 0
0 = 6x²
x = 0
x-intercept = (0,0)
y-intercept can be found by substituting x=0
y = 6 * 0
y = 0
y-intercept = (0,0)
The given quadratic equation is the equation of an upward parabola with the vertex as (0,0).
The axis of symmetry is x = 0 i.e y-axis.
Hence the graph of the quadratic equation y = 6x² is an upward parabola with vertex (0,0) and axis of symmetry as y-axis.
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Can someone please help me with 83? What is A? full explanation please. Offering lots of points
Answer: A = 5
Step-by-step explanation:
So, we are given a function, with a point: we can substitute (x,y) from the coordinate into x and f(x) in the function. (recall that f(x) is just a fancy way of saying y).
so:
[tex]-1 = \frac{2(0) + 5}{0 - A}[/tex]
[tex]-1 = \frac{5}{-A}[/tex], (we can drop the negative sign from both sides here)
[tex]\frac{5}{5} = \frac{5}{A}[/tex], (recall 1 = x/x where x is literally any number)
hence we can see that A = 5
Ask questions in the comments if this doesn't make sense :)
Algebra 1, slope of coordinate plane on table
The y-intercept of the line passing through the given points is -26 and the slope is -13/17
What is y-intercept?The y-intercept is the point where the graph intersects the y-axis.
Given that, the pair of coordinates of some points, we need to find the y-intercept,
To find the same, we will firstly find the equation of the line passing through these points,
We know that, the equation of a line passing through two points is given by,
y-y₁ = y₂-y₁ / x₂-x₁ (x-x₁)
Considering the points, (34, -52) and (51, -65)
The equation will be,
y+52 = -65+52 / 51-34 (x-34)
y+52 = -13/17(x-34)
y+52 = -13x/17+26
y = -13x/17-26
Hence, the y-intercept of the line passing through the given points is -26.
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What is the value of x? enter your answer in the box. X = cm a bow tie shape polygon made of two bow ties that share a vertex. The shape is created by two segments intersecting forming two triangles with vertical angles. An alternate interior angle of the triangles are marked congruent to each other. The larger triangle is on the left and the smaller triangle is on the right. In the larger triangle, the left side of the triangle is 32 centimeters. The south side of the triangle is 40 centimeters. On the smaller triangle, the right side of the triangle is 4 centimeters. The north side of the triangle is labeled x.
By proving the two triangles as similar triangles , the value of x in the triangles is x = 5 cm .
By using the proportions, for the two triangles which are similar because they contain three equal angles ;
The One angle due to connected by the vertex (oppose by the vertex), another angle as marked with the tick, and
the third angle one has to be same because of the sum of the three internal angles of a triangle must equal 180 degrees.
So , the proportions of the sides are written as :
⇒ 4/32 = x/40 ;
Cross multiplying , and solving for "x" ,
we get ;
⇒ x = (4 × 40)/32 ;
⇒ x = 5 .
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The given question is incomplete , the complete question is
What is the value of x in the polygon given below ?
The perimeter of a triangle is 39 inches. If the length of the shortest side is 1/2 the length of the longest side, and the length of the third side is 1 less than the length of the longest side, what is the length of each side?
1. what are the three equations that are used.
2. what are the lengths of the sides?
(the shortest side, the longest side, and the third side.
The equations used are:
Longest side = a
Shortest side = 1/2 x a = 1/2a
Third side = a - 1
The shortest side is 8 inches, the longest side is 16 inches and the third side is 15 inches.
What are the length of the sides?The perimeter of a triangle is the sum of the length of the three sides of the triangle.
Let the following expressions represent the lengths of the sides of the triangle:
Longest side = a
Shortest side = 1/2 x a = 1/2a
Third side = a - 1
Perimeter = a + 1/2a + a - 1 = 39
a + 1/2a + a = 39 + 1
2a + 1/2a = 40
2 1/2a = 40
5/2a = 40
a = 40 x 2/5
a = 16 inches
Shortest side = 1/2 x 16 = 8 inches
Third side = 16 - 1 = 15 inches
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Find x round to the nearest whole number
Answer:
Below
Step-by-step explanation:
Instead of x , I assume you want the angle For RIGHT triangles, remember
cos (angle ) = adjacent leg / hypotenuse
cos ( angle ) = 5 /12
angle = arccos( 5/12) = 65 °
You could also use pythagorean theorem to calculate the misssing side....then use cos law to calculate the angle.
state the next terms in the sequence of number 8, 4, 2, 1 -1/2
The next term in the sequence of number 8, 4, 2, 1, 1/2 is 1/4
How to determine the next term of the sequenceFrom the question, we have the following parameters that can be used in our computation:
The sequence of number 8, 4, 2, 1 -1/2
Express properly
The sequence of number 8, 4, 2, 1, 1/2
The above definitions imply that we simply divide the previous term by 2 to get the current term
Using the above as a guide,
Next term = (1/2)/2
Evaluate
Next term = 1/4
Hence, the next term is 1/4
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The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 80.8° is added to the data, how does the range change?
The range decreases to 44°.
The range increases to 52°.
The range stays 46°.
The range stays 48°.
Answer: the enswer is c the range is 46
Step-by-step explanation:
1. Which of the fractions are closer to 1 than to 0?
2. Which of the fractions are closer to 0 than to 1?
3. Write two fractions with a denominator of 8 that are closer to 0
than to 1.
4. Use the benchmark and the fractions and to write three
comparison statements.
Answer:
where’s the options??
Step-by-step explanation:
Find r. Use law of sine. Round to the nearest tenth.
Answer:
12
Step-by-step explanation:
First find the missing angle S
Three angles of a triangle add up to 180°
So m∠S + 81 + 42 = 180
m∠S + 123 = 180
m∠S = 180 - 123 = 57°
Using the law of sines which states that the ratio of each side to the opposite angle is the same for both sides we get
[tex]\dfrac{r}{\sin 42} = \dfrac{q}{\sin81} = \dfrac{15}{\sin 57}\\\\\sin 57 = 0.83867\\\\ \dfrac{15}{\sin 57}= \dfrac{15}{0.83867}\\\\= 17.88545\\\\[/tex]
Hence
[tex]\dfrac{r}{\sin 42} = 17.88545\\\\r = 17.88545 \times \sin 42\\\\r = 17.88545 \times 0.66913\\\\r = 11.9677\\\\r = 12 \textrm{ rounded to the nearest tenth}[/tex]
A magician has a magic trick that uses an 18" length of string that is cut into two pieces. One piece is two inches longer that the other. Find the length of each piece. Use algebraic equations.
The length of each piece is 10 in and 8 in.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
The total length of the string = 18 in
One piece = x + 2
Another piece = x
Now,
Solve for x.
x + 2 + x = 18
2x + 2 = 18
2x = 18 - 2
2x = 16
x = 8
Now,
One piece = 8 + 2 = 10 in
Another piece = 8 in
Thus,
The length of each piece is 10 in and 8 in.
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the perimeter of a pentagon is 60 in. The five sides are repersented by consecutive integers. Find the lengths of the sides.
The lengths of the sides of the pentagon are;
12 Inches
13 inches
14 inches
15 inches
16 inches
How to determine the valueThe formula for the perimeter of a pentagon is expressed with the formula;
P = 5a
Given that the parameter are;
P is the perimeter of the pentagona is the length of its sideSince the sides are consecutive integers, then;
60 = 5(a)
expand the bracket
60= 5a
Make 'a' the subject
a = 12In
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You launch an object off a 55-foot cliff. If the object was launched at 85 feet/second,
determine how long it will take for the object to hit the ground below. NEAREST TENTH
You launch an object off a 55-foot cliff. If the object was launched at 85 feet/second, 64.23 feet/second long it will take for the object to hit the ground below. This can be solved using the concept of law of conservation of energy.
What is law of conservation of energy?Three fundamental quantities all maintain their original values. Energy, momentum, and angular momentum are these. Energy is a conserved quantity, which could surprise you if you've read instances in previous pages, such the kinetic energy of charging elephants. The first law of thermodynamics, generally known as the law of conservation of energy, stipulates that the energy of a closed system must remain constant and cannot rise or fall on its own without external intervention.
Given that,
Height of the cliff, h= 55 Foot
Initial speed of the projectile, u = 85 m/s
Let, the projectile hit the ground with velocity "v"
Applying the law of conservation of energy,
mgh + 1/2 mu² = 1/2 mv²
or, m (gh + 1/2 u²) = 1/2 mv²
or, (gh + 1/2 u²) = 1/2 v²
or, 10 × 55 + (1/2 × (55)²) = 1/2 v²
or, 550 + 1512.5 = 1/2 v²
or, 2062.5 = 1/2 v²
or, 4125 = v²
or, v = 64.23 feet/second
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Write the set using set-builder notation
(9, 18, 27, 36, ...}
How do i do this
The set builder notation is A = { 9x | x ∈ N } which is a set of all x’s containing multiples of 9
What is union and intersection of sets?The union of two sets A and B is the set of all those elements which are either in A or in B, i.e. A ∪ B, whereas the intersection of two sets A and B is the set of all elements which are common. The intersection of these two sets is denoted by A ∩ B
The union of two sets is a new set that contains all of the elements that are in at least one of the two sets
The intersection of two sets is a new set that contains all of the elements that are in both sets
Given data ,
Let the set be represented as A
Now , the value of A is
A = { 9 , 18 , 27 , 36 , ... }
The set A contains all the positive multiples of 9
So , let x be the set of natural numbers and the value of A is
A = { 9x | x ∈ N } , and
A = set of all x’s containing multiples of 9
Hence , the set builder notation is { 9x | x ∈ N }
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Solve it but using the SQUARE ROOT PROPERTY
please help need ASAP!
The solutions to the quadratic equation 25 = (x + 9)² are x = -4 and x = -14.
What is quadratic equation?
A quadratic equation is a polynomial equation of degree 2, which means that the highest power of the variable in the equation is 2. The general form of a quadratic equation is:
ax^2 + bx + c = 0
where x is the variable, and a, b, and c are constants, with a not equal to 0. The quadratic equation can have two solutions, one solution, or no real solutions, depending on the values of a, b, and c.
Starting with the given equation:
25 = (x + 9)²
We can start by taking the square root of both sides of the equation, which gives us:
±5 = x + 9
Next, we can isolate x by subtracting 9 from both sides of the equation:
x = -9 ± 5
This gives us two solutions:
x = -9 + 5 = -4
or
x = -9 - 5 = -14
Therefore, the solutions to the quadratic equation 25 = (x + 9)² are x = -4 and x = -14.
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How do I solve this problem using the Rational Zeroes Theorem?
1) Find the real number solutions of the following polynomial equation:
f(x) = 4x^5 - 40x^3 + 36x
Answer:
Step-by-step explanation:
The Rational Zeroes Theorem states that if a polynomial equation has a rational solution (a solution that can be expressed as a fraction of two integers), then that rational solution must be of the form p/q, where p is a factor of the constant term (in this case 36) and q is a factor of the leading coefficient (in this case 4).
Step 1: Find the factors of 36. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.
Step 2: For each factor of 36, divide it by each factor of 4 to get a list of possible rational solutions.
Step 3: Test each of the possible rational solutions by plugging them into the polynomial equation and seeing if they make the equation equal to zero. If a solution makes the equation equal to zero, it is a root of the polynomial.
Step 4: Once you have found all of the roots of the polynomial, you can use them to write the polynomial in factored form.
Note: This method only works for polynomials with real coefficients and will only give you the real solutions of the equation. If the polynomial has complex solutions, you will need to use a different method to find them.
i just really need a help guys thank u mwa
Answer:
See below
Step-by-step explanation:
My man, how did you even get these numbers??? no whole number multiplied by 6.65 even equals 22??? Regardless, here's what I did.
a) r = 40/2 = 20
A = πr^2 = (3.14)(20)^2 = 1256
b) 1256/50 = 25.12 basically, 26
c) 26 x 6.65 = 172.9
Thoughts and prayers my guy. Keep trying
Answer:
A. 1256[tex]ft^{2}[/tex] B. 26 pounds C. $172.90
Step-by-step explanation:
PART A
1st find the radius of the area
radius = diameter / 2
r = 40/2
radius = 20ft
Area of circle = radius^2* pi
Area = 400 * 3.14
Area = 1256 [tex]ft.^{2}[/tex]
PART B
1256 / 50 = 25.12
Because we can only buy full pounds and we need the whole area to be reseeded, we round 25.12 to 26.
26 pounds of seeds will be needed to reseed the whole area.
PART C
Multiply the number of pounds of seeds needed to be bought by 6.65
26 x 6.65
$172.90 for the total cost of grass seeds
Astronomers believe that the radius of a variable star increases and decreases with the brightness of the star. Suppose a variable star has an average radius of 20 million miles and changes by a maximum of 1.6 million miles from this average during a single pulsation, and that the time between periods of maximum brightness is 5.2 days. Find an equation that describes the radius of this star as a function of time. (Let R be the radius in millions of miles and let t be the time in days. Assume that when t = 0 the radius is 20 million miles and increasing.) R(t) =
Let R be the radius in millions of miles and let t be the time in days. Assume that when t = 0 the radius is 20 million miles and increasing then R(t) = 20 + 1.6sin(2πt/5.2).
The equation for a sine wave is y = A sin (Bx + C) where A is the amplitude, B is the frequency and C is the phase shift.
In this case, the amplitude is 1.6.
Since the radius changes by a maximum of 1.6 million miles.
The frequency is 2π/5.2 (one full cycle of the sine wave in 5.2 days)
The phase shift is 0, since when t = 0 the radius is increasing.
The equation then becomes R(t) = 20 + 1.6sin(2πt/5.2)
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Hannah is helping her younger brother learn to count money. She gave her brother a total of 20 coins nickels and pennies. Hannah’s brother said he counted $0.68. How can Hannah solve a system of equations to tell whether he counted the money correctly?
Hannah’s brother counted correctly it Hannah gave him & 8 pennies and 12 nickels.
What does a math equation mean?The concept of an equation in algebra is a mathematical declaration that demonstrates the equality of two mathematical expressions. Declaration of equivalence between two expressions made up of numbers or variables
Finding the counted the money correctly , we obtain:
x= number of pennies
y = number of nickels.
x + y =20
so , x = 20-y
x+5y = 68
20-y +5y = 68
4y= 48 so y = 12 and x = 8.
8 pennies and 12 nickels
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In complete sentences, explain how to determine the angle measurement for this angle.
WRITER
28
90
50
40 50 60 70
140 130 120 110
£10
umumla
150
30 20 10
160 170 180
UPLOAT
(2
The procedure for angle measurement by the protractor is mentioned below:
What is an angle ?An angle is a mathematical term, which we can define, when two straight lines or rays meet at a common endpoint. The common point is called the vertex of an angle. The word angle comes from a Latin word named ‘angulus,’.
Interior angles:- The inner angle made by the intersection of two polygonal sides.
Exterior angles:- The outer angle made by the intersection of two polygonal sides.
To measure an angle using a protractor, follow these steps:
1. Place the protractor on the angle you want to measure, with the base of the protractor aligned with one side of the angle.
2. Make sure the protractor is centered and level, with the zero-degree mark on the protractor aligned with the vertex (corner) of the angle.
3. Read the measurement of the angle from the protractor, where the second side of the angle intersects with the protractor scale. The measurement is usually given in degrees.
If the angle is larger than 180 degrees, you may need to use a full-circle protractor or measure the angle in two parts and add the measurements together.
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What is the average of the points A, B, and C with weights 1, 3, and 4 respectively? A (-8, 5) B (8, 2) C (5, 4)
The average of the three weighted points, A, B, and C, is (-1, 2.875).
In mathematics, what does average weight mean?A technique known as a weighted average accounts for the varied levels of significance of the values in a data collection. Each number in the data set is multiplied by a predefined weight before the final computation is completed when calculating a weighted average.
weighted average = (w1 × x1 + w2 × x2 + w3 × x3) / (w1 + w2 + w3),
where wi is the weight of the ith point, and xi is the coordinate of the ith point.
Substituting the given values, we get:
weighted average = (1 × (-8, 5) + 3 × (8, 2) + 4 × (5, 4)) / (1 + 3 + 4)
= (-8, 5 + 3 × 2 + 4 × 4) / 8
= (-8, 23) / 8
= (-1, 2.875)
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WILL GIVE 200 POINTS !!!!> find the x intercept and the y intercept. write each intercept as an ordered pair. y=5x-10
Answer:x intercept (2,0)
Yintercept (0,-10)
Step-by-step explanation:
y=mx+b b= y intercept
To find x you just solve
Y=5x-10
10=5x
2=x