Find the weighted average of the points on the line.

Find The Weighted Average Of The Points On The Line.

Answers

Answer 1

The weighted average of the points on the line is 3/5 after applying the concept of the weighted average.

What is average?

It is defined as the single number that represents the mean value for the given set of data or the closed value for each entry given in the set of data.

It is given that:

The number line is shown in the picture:

The number line can be defined as the representation of the numbers on a straight line that goes infinitely on both sides.

From the number line:

The weighted average = [2(-5) + 8(2)]/(2 + 8)

The weighted average = [-10 + 16]/(10)

The weighted average = [6]/(10)

The weighted average = 3/5

Thus, the weighted average of the points on the line is 3/5 after applying the concept of the weighted average.

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Related Questions

Write a function g whose graph represents the
indicated transformation of the graph of f.
f(x)=2x-9; translation 6 units up
The translated function is g(x) =

Answers

Answer: g(x)=2x-3

Step-by-step explanation:

f(x)=2x-9

g(x)=2x-9+6 ==> Translate 6 units up

g(x)=2x-3

Does this graph show a function? Explain how you know.

A. Yes; the graph passes the vertical line test.

B. No; there are y values that have more than one x-value.

C. Yes; there are no y-values that have more than one x-value.

D. No; the graph fails the vertical line test.

Answers

Answer:

No

Step-by-step explanation:

A function has to pass the vertical line test, meaning that if you put a vertical line anywhere on the graph then the line will only intecert the funtion once. Buy in this graph it intercests twice.

Bryan, Michael, and Han are painting a house. Working together, they can paint the house in 6 hr. Working alone, Bryan can paint a similar sized house in 15 hr and Han can paint a similar sized house in 18 hr. How many hours would it take Michael to paint a similar sized house working alone? Enter the answer to the nearest tenth.

Answers

Answer:

Step-by-step explanation:

11x+90=15x

The computation shows that Michael will take 22.5 hours to paint a similar sized house working

How to compute the value?

Based on the information given, the appropriate equation to use will be:

= 1/15 + 1/18 + 1/Michael = 1/6

Add the two fractions on the left

11/90 + 1/Michael = 1/6

1/Michael = 1/6 - 11/90

Take the reciprocal

Michael = 45/2

Michael= 22.5

Michael will take 22.5 hours.

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Which expression represents 7/21

Answers

Answer:
Simplified is 1/3 but the number is 0.3 recurring

help plsssssssssssssssssssssssssssss

Answers

Answer:

8.3x10^1

Step-by-step explanation:

you don't even need to do any math for this question. just look for the number between 1 and 10

100 points!!! 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.

Multiply or divide as indicated.
x^10/x^4

Answers

Answer:

[tex]x^{6}[/tex]

Step-by-step explanation:

To simply exponents in a fraction, subtract the exponent for each variable in the denominator from the exponent in the numerator.

Answer:

[tex]x^6[/tex]

Step-by-step explanation:

Given expression:

[tex]\dfrac{x^{10}}{x^4}[/tex]

[tex]\textsf{Apply exponent rule} \quad \dfrac{a^b}{a^c}=a^{b-c}:[/tex]

[tex]\implies \dfrac{x^{10}}{x^4}=x^{(10-4)}=x^6[/tex]

Select all the equations that have the same as 3x - 12 = 24

Answers

The equations that have the same solution as 3x - 12 = 24 include:

a. 15x - 60 = 120C. 3x = 36d. x - 4 = 8

Given data

3x - 12 = 24

How to find the solution of the given expression

3x - 12 = 24

3x = 24 + 12

3x = 36

x = 36 / 3

x = 12

substituting the value of x in the equations to get to check if the value is same for the given question

a. 15x - 60 = 120

15 * 12 - 60 = 120

180 - 60 = 120

120 = 120 correct

b. 3x=12

3 * 12 = 12

36 ≠ 12 incorrect

C. 3x = 36

3 * 12 = 36

36 = 36 correct

d. x - 4=  8

12 - 4 = 8

8 = 8 correct

e. 12x - 12 = 24

12 * 12 - 12 = 24

144 - 12 = 24

132 ≠ 24 incorrect

Hence we can say that the equations that have same solution as the given equation are options A, C, and D

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complete question

The complete question is attached

AC=64A, C, equals, 64, A B = 7 x + 8 AB=7x+8A, B, equals, 7, x, plus, 8, and B C = 3 x + 6 BC=3x+6B, C, equals, 3, x, plus, 6, Find B C BCB, C.

Answers

The numerical length of BC is 36

How to determine the numerical length of BC?

The given parameters are:

AC= 64, AB = 7x + 8, and BC = 3x + 6.

The above means that the point B is between points A and C

So, we  have

AC = AB + BC

Substitute the known values in the above equation

64 = 7x + 8 + 3x + 6

Evaluate the like terms

10x = 50

Divide both sides by 10

x = 5

Substitute x = 5 in BC = 3x + 6

So, we have

BC = 3 x  10 + 6

Evaluate

BC = 36

Hence, the numerical length of BC is 36

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Complete question

AC= 64, AB = 7x + 8, and BC = 3x + 6. Find BC

Write a one-variable equation or inequality with variables on both sides to describe the problem situation. Complete Steps 1 - 3 in order.

Two drones are descending from the sky in vertical lines. A black drone is currently at an altitude of 1,170 feet and is dropping at a rate of 64 feet per minute. A white drone is at an altitude of 966 feet and is dropping at a rate of 52 feet per minute. How many minutes will it take for the two drones be at the same altitude? Use the variable `n` to represent the unknown quantity.

Answers

The number of minutes that it will take for the two drones be at the same altitude is 17 minutes.

How to illustrate the information?

It should be noted that ablack drone is currently at an altitude of 1,170 feet and is dropping at a rate of 64 feet per minute. The expression will be:

1170 - 64m

The white drone is at an altitude of 966 feet and is dropping at a rate of 52 feet per minute. This will be 966 - 52m where m = number of minute

Therefore, we will equate both equations. This will be:

1170 - 64m = 966 - 52m

Collect like terms

-64m + 52m = 966 - 1170

12m = 204

Divide

m = 204 / 12

m = 17

Therefore, the number of minutes that it will take for the two drones be at the same altitude is 17 minutes.

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|4y - 10| = 20 for all values of y in simplest form.

Answers

Answer: -5/2

Step-by-step explanation:

4y−10∣=20

Combine like terms and use the properties of equality to get the variable on one side of the equal sign and the numbers on the other side. ∣4y−10∣=20 Use the definition of absolute value.

4y−10=20

4y−10=−20

Add 10 to both sides of the equation. 4y=30 which then equals  4y=−10

Divide both sides by 4 to get y = 15 over 2 converted to y = negative 5 over 2

(hope this is helpful)

If the sum of a number and three is ​tripled the result is one less than twice the number. Find the number.

Answers

The number in the equation is -10.

Given,

The sum of a number and three is ​tripled the result is one less than twice the number.

We can take the number as x.

Then,

3(x + 3) = (2x - 1)

Equate the above equation and find x.

3x + 9 = 2x - 1

Add -2x to both sides:

That is,

3x - 2x + 9 = 2x - 2x - 1

x + 9 = -1

Add -9 to both sides:

We get,

x + 9 - 9 = -1 - 9

x = -10.

That is, the number in the equation is -10.

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On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 1, negative 11), and goes through (1, 0).
What is the range of the function f(x) = 3x2 + 6x – 8?

{y|y ≥ –1}
{y|y ≤ –1}
{y|y ≥ –11}
{y|y ≤ –11}
TIME REMAINING
22:14
On a coordinate plane, a parabola opens up. It goes through (negative 6, 0), has a vertex at (negative 2, negative 16), has a y-intercept at (0, negative 12), and goes through (2, 0).

What are the x-intercepts of the graph of the function f(x) = x2 + 4x – 12?

(–6, 0), (2,0)
(–2, –16), (0, –12)
(–6, 0), (–2, –16), (2, 0)
(0, –12), (–6, 0), (2, 0)

Answers

1) (c) The range of the function f(x) = 3x² + 6x - 8 is {y|y ≥ –11}.

2) (d) The x-intercepts of the graph of the function f(x) = x² + 4x - 12 are ( - 6, 0) and ( 2, 0 ).

1). A parabola opens upward and it passes through ( - 3, 0) and ( 1, 0), and has vertex at ( - 1, - 11 ).

We have the function for the parabola f(x) = 3x² + 6x - 8.

Vertex and the coefficient of the quadratic term are two features of a parabola that aid in determining its range.

Therefore, the critique point of the range and a portion of the constraint is the vertex's vertical coordinate. The next step is to determine if the parabola is concave up or down. The parabola is concave up in this issue if the coefficient of the quadratic terms is positive. As a result of the parabola's concave upward shape, all real numbers greater than - 11 fall into the function's permissible range.

Hence, the range of the function is {y|y ≥ –11}.

2). The graph of the function with the equation f(x) = x² + 4x - 12 is a parabola that opens upward, passes between the points ( - 6, 0) and ( 2, 0), and its vertex is at ( - 6, 0). ( - 2, - 16). It is the y-intercept ( 0, - 12).

The x-intercepts are the locations where the graph and x-axis meet. The y-coordinate of these points is always zero. A parabola can only have two x-intercepts at most. As we can see, the parabola passes through the points ( - 6, 0) and ( 2, 0), and have y coordinates 0, hence the x-intercepts are ( - 6, 0) and ( 2, 0).

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The complete question is mentioned below:

1. On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 1, negative 11), and goes through (1, 0).

What is the range of the function f(x) = 3x² + 6x – 8?

(a) {y|y ≥ –1}

(b) {y|y ≤ –1}

(c) {y|y ≥ –11}

(d) {y|y ≤ –11}

2. On a coordinate plane, a parabola opens up. It goes through (negative 6, 0), has a vertex at (negative 2, negative 16), has a y-intercept at (0, negative 12), and goes through (2, 0).

What are the x-intercepts of the graph of the function f(x) = x² + 4x – 12?

(a) (-6, 0), (2,0)

(b) (-2, -16), (0, -12)

(c) (- 6, 0), ( - 2, - 16),

(d) ( 2, 0) (0, -12),

(e) ( - 6, 0), (2, 0)

what is eight times the square a number z minus three in mathematical translate?​

Answers

Answer:

8*z^2-3

Step-by-step explanation:

What are the first five terms in the arithmetic sequence with the recursive formula below?
a1=5
an=an-1+4

Answers

Therefore the first five terms are 5, 9, 13, 17, and 21.

Given the first term is 5

a₁ = 5

Given the recursive formula  of an arithmetic sequence is

aₙ = aₙ ₋ ₁ + 4

We have to find the first five terms of the arithmetic sequence below

a₂ = a₂ ₋ ₁ + 4

   = a₁ + 4

   = 5 + 4

   = 9

a₃ = a₃ ₋ ₁ + 4

   = a₂ + 4

   = 9 + 4

   = 13

a₄ = a₄ ₋ ₁ + 4

   = a₃ + 4

   = 13 + 4

   =17

a₅ = a₅ ₋ ₁ + 4

   = a₄ + 4

   = 17 + 4

   = 21

Therefore the first five terms are 5, 9, 13, 17, and 21.

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When turning the decimal to a fraction how do I do that? I’m confused

Answers

Ok so I was very confused on this too. Not even going to lie to ya, I struggled with this for a long time. However once you get the hang of it, it's actually rather simple.

So, lets try a problem. What is 0.04 as a fraction?

Well, we know that 0.04 is 4%. And you can do [tex]\frac{4}{100}[/tex] which is 0.04, or 4%

Does that make sense? If not let me explain it a little more.

Well basically all you have to do is put that number over 100.

Here are some examples of decimals to percentage to fraction:

0.5 = 50% = [tex]\frac{50}{100}[/tex] or in simplest form [tex]\frac{1}{2}[/tex]

0.11 = 11% = [tex]\frac{11}{100}[/tex]

0.03 = 3% = [tex]\frac{3}{100}[/tex]

I really hope this helped you!!!

If not let me know how i can explain it and what doesn't make sense!

Answer: To convert a decimal to a fraction, place the decimal number over its place value. For example, in 0.6, the six is in the tenths place, so we place 6 over 10 to create the equivalent fraction, [tex]\frac{6}{10}[/tex]. If needed, simplify the fraction.

Step-by-step explanation:

Use mental math strategies to solve the equation.

3,500 +
Choose...
= 3,500

Part B

Which property of addition does the equation show?

A.
Associative Property of Addition

B.
Commutative Property of Addition

C.
Distributive Property of Addition

D.
Identity Property of Addition

Answers

A the associative property of addition

Answer:

the answer would be A

You need to make 12 servings of fried fish. Each serving takes 7.5 ounces of flour. How many ounces of flour do you need?

Answers

You need 900 ounces of flour.
7.5 x 12 = 900.
1 serving = 7.5 ounces of flour
7.5x12 is 90
the answer is 90

14. Error Analysis Adam is asked to construct the
bisector of R. Explain the error in Adam's work.
MP.3
R
X
TOPIC 1 Foundations of Geometry

Answers

Option C) is correct which is Adam started the construction at the wrong place. He should have started at point R and drawn an arc across both rays.

According to the question we can see that Adam first draws an arc on a line and draws the bisector, which gives him the error.

We know that when we construct an angle bisector, first we put the compass on the point of the angle and make an arc and from that arc we make two arcs that intersect at a point. Then we draw a ray from the point of angle to that intersecting point which gives us the angle bisector.

Here Adam didn't draw the arc from point R.

Thus, Adam started the construction at the wrong place. He should have started at point R and drawn an arc across both rays.

Hence option C) is the correct option.

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given the data in the table below, determine the value of a and b in the model y = a +bx and hence find the value of y when x = 12

X 2 3 4 5 6 8
Y 5 6 8 9 10 12​

Answers

The equation that models the data will be y = 3 + x and for x = 12, y will be 15.

We are given the equation:

y = a + b x

Also, we have some points of the equation as:

X         2         3         4         5         6           8

Y         5         6         8         9         10         12​

For the point ( 2 , 5 ), we have the equation as:

5 = a + b ( 2 )

5 = a + 2 b

a = 5 - 2 b   …(1)

For the point (3 , 6), we have the equation as:

6 = a + b (3)

6 = a + 3 b

a = 6 - 3 b   …(2)

From (1) and (2), we get that:

5 - 2 b = 6 - 3 b

3 b - 2 b = 6 - 5

b = 1

a = 5 - 2

a = 3

So, the equation will become:

y = 3  +  x

For x = 12, we get the value of y as:

y = 3 + 12

y = 15

Therefore, we get that, the equation that models the data will be y = 3 + x and for x = 12, y will be 15.

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39,004 in expanded form

Answers

30,000 9,000 4 this it the answer to your question

You are to move from A to B, always moving
right or down along the lines. On how many
different paths can you go? [The number of paths
from A to various intersections has been included.

Answers

Answer:

  70

Step-by-step explanation:

You want the number of paths from corner to corner on a 5×5 grid with no backtracking.

Pascal's triangle

The geometry of the problem matches that of Pascal's triangle, attached.

In the attached figure, the value at each node is the sum of the values above and to the left. This matches the counting process for paths that can be used to get to any particular point on the grid: the total number of ways to get there is the sum of the ways it can be approached from above and the ways it can be approached from the left.

The given grid has some numbers filled in. If we continue to assign values to nodes that are the sum of the values above and to the left, we find the node values match the upper left 5×5 array of values in the attachment.

The value at the lower right corner of that array is 70. That is, ...

there are 70 ways to get from A to B.

__

Alternate solution

The path taken will always have 8 steps. Of those, 4 must be to the right, and 4 must be down. The number of ways we can choose 4 of those 8 steps to be steps to the right is "8 choose 4" ...

  C(8,4) = 8!/(4!(8-4)!) = (8·7·6·5)/(4·3·2·1) = 70

Of course, using Pascal's triangle is simply another way to find the value of C(n,k).

Urgent (I added 35 points)
The diagram below is drawn on a one-centimetre square grid


Work out the area of the shaded triangle:

Answers

Answer:

rr

Step-by-step explanation:

xd

ddddd

Simplify the following expression:
3[(x³ -7x+1)-(x+4)]

Answers


It is most likely 3x^3 - 24x - 9

(^3 is to the third power btw)

Sorry my handwriting is super bad lolll

that’s a vague explanation but it might help just to write it down :)

Jsut need the answer please

Answers

Answer:

h(t) decreases by a factor of 1.95

Step-by-step explanation:

- 1.95

h(t) decreases by a factor of 1.95

Graph the following line
X=0

Answers

Answer:

the line runs that aligns with the y-intercept

Step-by-step explanation:

Given m n, find the value of x.

Answers

x=32 because m||n
if two lines are parallel then the corresponding angles are same

The value of x from the given parallel lines, using corresponding angles concept, we get 32°.

Given that, straight line m parallel to straight line n and t is the transversal.

The corresponding angles definition tells us that when two parallel lines are intersected by a third one, the angles that occupy the same relative position at each intersection are known to be corresponding angles to each other.

Here, x°=32°

Therefore, the value of x from the given parallel lines is 32°.

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I don't have many points but I will make brainliest, thank you !!

Answers

Answer: The answer for question 48. is -9, The answer for question 49. is 1/2, the answer for question 50. is -2.25, and for question 51 it's 4/5

Step-by-step explanation:

How to solve question 48

1/2(-12-6)-3(5-3)

-6+3-15+9

-3-6

-9

How to solve question 49

(20/2)+10/(-10+20+30)

10+10/40

20/40

1/2

How to solve question 50.

3/4(-15+4)+(8+7)/(-3)

-45/4+3+15/-3

-11.25+3+15/-3

6.75/-3

-2.25

How to solve question 51

5(7)-(3+4)/-2^2-2^2+3^2

35-7/4+4+27

28/35

4/5

Hope this helped owo

m∠DBC=(12x-18) and m∠ABD=(8x+30) what is the value for x ?

Answers

The value of x is 12.

Given that the angles are m∠DBC=(12X-18) and m∠ABD=(8x+30).

An angle is made when two rays are joined together at any common point.

We will find the value of x by equating both the given angles as

m∠DBC=m∠ABD

Now, we will substitute the values of angles as

12x-18=8x+30

Further, we will subtract 18 from both sides and simplify it as

12x-18+18=8x+30+18

12x=8x+48

Now, we will subtract 8x from both sides and simplify as

12x-8x=8x+48-8x

4x=48

Now, we will divide both sides by 4, we get

4x/4=48/4

x=12

Hence, the value of x when m∠DBC=(12x-18) and m∠ABD=(8x+30) is 12.

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1) In Blind Lake, the fish population is estimated to be 6,000 this
year. At the beginning of each year, the lake is stocked with 1,000
fish. By the end of the year, 800 more fish have died or been
caught. What will the estimated fish population be in 4 years?

Answers

6000 + 1000 = 7000 - 800 = 6200 after 1 year

6200 + 1000 = 7200 - 800 = 6400 after 2 years

6400 + 1000 = 7400 - 800 = 6600 after 3 years

6600 + 1000 = 7600 - 800 = 6800 after 4 years

There are 5 one-digit numbers in a set of data. The mean is 3, the mode is 1, and the median is 4. What are the numbers in the set of data?

Answers

11445

Not sure what else it could be
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