Answer is 0:72
hope it is helpful
Answer:
18/25
Step-by-step explanation:
please help asap (answer only if you know the question)
The Equation of bisector 5x-7y+3=0 which is a straight line.
What is bisector?A straight line that divides an angle of a triangle in equal value.
What is perpendicular bisector?The line that lies perpendicular to a side and goes through the midpoint of its length.
Given, coordinate H (-7,2), K (3, -4) and L (5,4)
we plot a triangle HKL with this point.
midpoint of side HK is found by (-7+3)/2 and (2-4)/2
hence, midpoint of HK is (-2,-1) is denoted by P
the perpendicular bisector of side HK means a straight line from the midpoint of HK to the point L(5,4). The bisector line PL divide the angle HLK.
so, the equation of bisector is y-y₁ = (y₂-y₁)/(x₂-x₁)[x-x₁] because the bisector line passes through the point P(-2,-1) and L(5,4)
y-(-1) = [4-(-1)]/[5-(-2)]× [x-(-2)]
y+1 = 5/7×(x+2)
7y+7= 5x+10
5x-7y+3=0
hence, the equation of bisector is 5x-7y+3=0
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help me find the slope please
Answer:
3/4
Step-by-step explanation:
Ok, so I see that the x-intercept is (4,0), while the y-intercept is(-3,0)
Slope is rise/run
Between these two points, the line rose 3 and horizontally went 4 units to the right. Therefore, the slope is 3/4.
Feel free to tell me if I did anything wrong! :)
Also, if you're still confused, I could explain it another way.
Two coins are tossed. Assume that each event is equally likely to occur.
a) Use the counting principle to determine the number of sample points in the sample space.
b) Construct a tree diagram and list the sample space.
c) Determine the probability that no tails are tossed.
d) Determine the probability that exactly one tail is tossed.
e) Determine the probability that two tails are tossed.
f) Determine the probability that at least one tail is tossed.
Question content area bottom
Part 1
a) There is/are ______sample point(s) in the sample space.
a) There are 2 x 2 = 4 sample points in the sample space
How to solve
b) Tree Diagram
O D.\nH\nHe\nT\nH\nT\n
Sample space: D. HH, HT, TH, TT
c) P(no tails) = P(HH)
= 1/4
d) P(exactly one tail) = P(HT, TH)
= 2/4
= 1/2
e) P(2 tails) = P(TT)
= 1/4
f) P(at least one tail) = P(HT, TH, TT)
= 3/4
In mathematics, tree diagrams are often used in probability and statistics to show all the possible outcomes of an event. In computer science, they are used to represent the hierarchical structure of files and directories in a file system
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A number n minus the sum of the number and eight
The algebraic expression for the sentence in this problem is given as follows:
n - (x + 8).
How to obtain the algebraic expression for the sentence?The sentence in this problem is given as follows:
"A number n minus the sum of the number and eight".
The sum of an unknown number x and eight is given as follows:
x + 8.
The subtraction of the number n by the expression is given as follows:
n - (x + 8).
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what is the solution to the equation:
5(n - 1/10) = 1/2
a. n= 13/5
b. n= 3/25
c. n= 0
d. n= 1/5
\( \sf \longrightarrow \: 5 \bigg( \: n - \frac{1}{10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: 5 \bigg( \: \frac{n}{1} - \frac{1}{10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: 5 \bigg( \: \frac{10 \times n - 1 \times 1}{1 \times 10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: 5 \bigg( \: \frac{10n - 1}{ 10} \bigg) = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: \: \frac{50n - 5}{ 10} = \frac{1}{2} \\ \)
\( \sf \longrightarrow \: \: 2(50n - 5) =1(10) \\ \)
\( \sf \longrightarrow \: \: 2(50n - 5) =10 \\ \)
\( \sf \longrightarrow \: \: 100n - 10=10 \\ \)
\( \sf \longrightarrow \: \: 100n =10 + 10\\ \)
\( \sf \longrightarrow \: \: 100n =20\\ \)
\( \sf \longrightarrow \: \:n = \frac{2 \cancel{0}}{10 \cancel{0}} \\ \)
\( \sf \longrightarrow \: \:n = \frac{1}{5} \\ \)
Answer:-
Answer:- D) n = ⅕ ✅To solve the equation \(\sf 5(n - \frac{1}{10}) = \frac{1}{2} \\\) for \(\sf n \\\), we can follow these steps:
Step 1: Distribute the 5 on the left side:
\(\sf 5n - \frac{1}{2} = \frac{1}{2} \\\)
Step 2: Add \(\sf \frac{1}{2} \\\) to both sides of the equation:
\(\sf 5n = \frac{1}{2} + \frac{1}{2} \\\)
\(\sf 5n = 1 \\\)
Step 3: Divide both sides of the equation by 5 to isolate \(\sf n \\\):
\(\sf \frac{5n}{5} = \frac{1}{5} \\\)
\(\sf n = \frac{1}{5} \\\)
Therefore, the solution to the equation \(\sf 5(n - \frac{1}{10})\ = \frac{1}{2} \\\) is \(\sf n = \frac{1}{5} \\\), which corresponds to option (d).
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A shark is being tracked with a fin tag. The shark is swimming steadily 32 feat below the surface before ascending 5 feet and quickly descending 13 feet. what is the total change in the sharks position underwater?
Answer:
-40 feet
Step-by-step explanation:
To answer this problem is really simple
you take -32 and add 5. This gets you -27
The next thing to do add -13 to -27. This gets you -40.
The shark's depth is increased by 8 feet's with respect to its initial depth (32 feet)
We have a shark which is swimming steadily 32 feet below the surface before ascending 5 feet and quickly descending 13 feet.
We have to determine the total change in the sharks position underwater.
A guy named Rob was in the elevator at rest on floor 7th at a height of 'h feet'. He then descended downwards by 4 feet's to 4th floor after which he ascended to 12th floor such total height of 12th floor from ground floor is 30 feet's. Determine the height of fourth floor.Total distance between ground and 12th floor = Distance between ground to 7th floor + distance between 7th to 12th floor (say x).
30 = h + x
x = 30 - h
Height of the fourth floor (say y) = Total distance between ground and 12th floor - distance between 4th to 12th floor.
y = 30 - 4 - (30 - h) = 30 - 4 - 30 +h = h - 4
According to question, we have -
Initial depth of shark = 32 feet
Ascended Height = 5 feet (moved up)
Descended Height = 13 feet (moved down)
Therefore -
Assume the final position of shark be y, then -
y = 32 - 5 + 13
y = 27 + 13
y = 40
Total change in position = 32 - 40 = - 8
The negative sign represents that the shark's depth is increased by 8 feet with respect to its initial depth (32 feet).
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If it is known that a+b/a-b=c, find the following: 2a-2b/5a+5b
Answer:
\(\frac{2a-2b}{5a+5b} =\frac{2}{5c}\)
Step-by-step explanation:
\(\frac{a+b}{a-b} =c\)
\(\Longleftrightarrow \frac{a-b}{a+b} =\frac{1}{c}\)
\(\Longleftrightarrow \frac{2}{5} \times \frac{a-b}{a+b} =\frac{2}{5} \times \frac{1}{c}\)
\(\Longleftrightarrow \frac{2\times(a-b)}{5\times(a+b)} = \frac{2\times1}{5\times c}\)
\(\Longrightarrow \frac{2a-2b}{5a+5b} =\frac{2}{5c}\)
Does the mean represent the center of the data?
Answer:
The “center” of a data set is also a way of describing location. The two most widely used measures of the “center” of the data are the mean (average) and the median.
Step-by-step explanation:
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Which table represents a linear function?
Answer:
C
Step-by-step explanation:
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Consider the function f(x) = x2 + 6x - 5 and the function g(x) shown on the graph.
g(X)
Which function has the greater maximum?
© f(x) has the greater maximum located at (3, 4).
© f(x) has the greater maximum located at (3, 6).
© g(x) has the greater maximum located at (1, 4.5).
• g(x) has the greater maximum located at (4.5, 1).
The function that has the greater maximum is (c) g(x) has the greater maximum located at (1, 4.5).
How to determine which function has the greater maximum?From the question, we have the following parameters that can be used in our computation:
f(x) = x² + 6x - 5
The x value at the maximum point is
x = -6/2(1)
This gives
x = -3
So, we have
Max = (-3)² + 6(-3) - 5
Evaluate
Max = -14
From the graph, we have
Max = (1, 4.5)
Hence, the function that has the greater maximum is g(x)
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The expression 3^5 means to _____.
A) multiply 3 factors of 5
B) multiply 3 times 5
C) multiply 5 factors of 3
D) add 3 and 5
Answer:
C
Step-by-step explanation:
3^5 = 3*3*3*3*3
You are multiplying 5 3s
Answer:
multiply 3 factors of 5
Step-by-step explanation:
it means you're multiplying 3 five times
Choose the correct graph of the function y=√x-3
Answer:
C. where the start point is on (3,0) and goes up and to the right
Step-by-step explanation:
y= √x−3
Swap sides so that all variable terms are on the left hand side.
√x−3 =y
Square both sides of the equation.
x−3=y^2
Add 3 to both sides of the equation.
x−3−(−3)=y^2 −(−3)
Subtracting −3 from itself leaves 0.
x=y^2 −(−3)
Subtract −3 from y^2.
x=y^2 +3
what is the answer.
The height of a rectangular box is 7 ft. The length is 1 ft longer than thrice the width x. The volume is 798 ft³.
(a) Write an equation in terms of x that represents the given relationship.
The equation is
The equation in terms of x that represents the given relationship is 114 = (1 + 3x) * (Width)
Let's break down the information given:
Height of the rectangular box = 7 ft
Length of the rectangular box = 1 ft longer than thrice the width (x)
Volume of the rectangular box = 798 ft³
To write an equation that represents the given relationship, we need to relate the length, width, and height to the volume.
The volume of a rectangular box is given by the formula: Volume = Length * Width * Height.
Given that the height is 7 ft, we can substitute this value into the equation.
Volume = (Length) * (Width) * (7)
Now, let's focus on the length. It is described as 1 ft longer than thrice the width.
Length = 1 + (3x)
Substituting this value into the equation, we have:
Volume = (1 + (3x)) * (Width) * (7)
Since the volume is given as 798 ft³, we can set up the equation as follows:
798 = (1 + (3x)) * (Width) * 7
Simplifying further, we get:
798 = 7 * (1 + 3x) * (Width)
Dividing both sides of the equation by 7, we have:
114 = (1 + 3x) * (Width)
Therefore, the equation in terms of x that represents the given relationship is:
114 = (1 + 3x) * (Width)
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whats is the outcome to this pls
Answer:
what grade is this for?
Step-by-step explanation:
after completing your data analysis, the write-up should include a discussion of which of the following?
After completing your data analysis, the write-up should only include a discussion of the steps of the IMPACT model that really matter.
Data analysis is the methodical application of logical and/or statistical approaches to explain and demonstrate, summarise and assess, and assess data. Different analytical techniques "offer a mechanism of deriving inductive inferences from data and differentiating the signal (the phenomena of interest) from the noise (statistical fluctuations) inherent in the data," according to Shamoo and Resnik (2003).
The proper and accurate interpretation of study findings is a crucial part of preserving data integrity. Inadequate statistical analyses distort scientific results, confuse lay readers, and may have a detrimental impact on how the general public views research (Shepard, 2002). Integrity concerns apply equally to the study of non-statistical data.
Impact analysis examines required data to determine the advantages and disadvantages of any change. Even in a well evolved system, adjustments are inevitable as the world develops. Modifications might occur for a number of reasons, including modifications to company demands, changes in customer requirements, or the introduction of new technology.
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The sum of two consecutive integers is −51. Find the integers.
9514 1404 393
Answer:
-26, -25
Step-by-step explanation:
The average of the two is their sum divided by 2: -51/2 = -25.5. The average of consecutive integers is halfway between them.
Hence, one is -26 and one is -25.
A rectangle is constructed with its base on the x-axis and two of its vertices on the parabola yequals25minusxsquared. What are the dimensions of the rectangle with the maximum area? What is the area?
Answer:
The answer is "\(\bold{\frac{32}{3}}\\\)"
Step-by-step explanation:
The rectangle should also be symmetrical to it because of the symmetry to the y-axis The pole of the y-axis. Its lower two vertices are (-x,0). it means that
and (-x,0), and (x,0). Therefore the base measurement of the rectangle is 2x. The top vertices on the parabola are as follows:
The calculation of the height of the rectangle also is clearly 16-x^2, (-x,16,-x^2) and (x,16,-x^2).
The area of the rectangle:
\(A(x)=(2x)(16-x^2)\\\\A(x)=32x-2x^3\)
The local extremes of this function are where the first derivative is 0:
\(A'(x)=32-6x^2\\\\32-6x^2=0\\\\x= \pm\sqrt{\frac{32}{6}}\\\\x= \pm\frac{4\sqrt{3}}{3}\\\\\)
Simply ignore the negative root because we need a positive length calculation
It wants a maximum, this we want to see if the second derivative's profit at the end is negative.
\(A''\frac{4\sqrt{3}}{3} = -12\frac{4\sqrt{3}}{3}<0\\\\2.\frac{4\sqrt{3}}{3}= \frac{8\sqrt{3}}{3}\\\\\vertical \ dimension\\\\16-(\frac{4\sqrt{3}}{3})^2= \frac{32}{3}\)
is 3x+y=12 linear or nonlinear
Answer: It is linear
Find the area of the triangle. around intermediate values to the nearest tenth. Use rounded values to calculate the next value. Found your final answer to the nearest tenth
The area of the triangle is 97.07 units².
Given is a triangle we need to find the area,
So, let the triangle be ABC and the altitude be AD.
Using the trigonometric ratios,
Sin 52° = AB / AD
Sin 52° = 9 / AD
AD = 9 / Sin 52°
AD = 11.42
Now,
Tan 26° = DC / AD
Tan 26° = DC / 11.42
DC = 5.56
Also,
Cos 26° = AD / AC
Cos 26° = 11.42 / AC
AC = 12.7
BC = 11.42 + 5.56
BC ≈ 17
Now, the sides are BC = 17, AC = 12.7 and AB = 9,
The area of the triangle = 1/2 x BC x AD = 1/2 x 17 x 11.42
= 5.71 x 17
= 97.07
Hence the area of the triangle is 97.07 units².
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Questions 1-18 of 18 | Page 1 of 1
Question 1 (1 point)
At what point would the roller coaster below have the most potential energy? (TEKS 6.8A)
a
Point Y
b
Point X
c
Point W
d
Point Z
Question 2 (1 point)
If a bicyclist travels 30 kilometers in two hours, her average speed is (TEKS 6.8C)
a
30 km/h
b
2 km/h
c
60 km/h
d
15 km/h
Question 3 (1 point)
A soccer player kicks a ball. The ball rolls in a straight line, slows down, and stops. What can you conclude about the soccer ball?
a
An outside force acted on the soccer ball because its motion stopped.
b
The only force on the soccer ball was the force of the player’s kick.
c
No outside forces acted on the ball because its motion did not change.
d
No net force acted on the ball because the ball did not change directions
Answer:
1. can't answer, i dont have the points, but it would be wherever the cart is about to drop
2. d
3. c
Step-by-step explanation:
not sure about the 3rd one, could be wrong
Change 12/40 into a percent
Now we can see that our fraction is 30/100, which means that 12/40 as a percentage is 30%.
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If not then i am very sorry
It has taken me 32 minutes to drive 48 km. If the total length of my journey is 146 km and I maintain the same speed, estimate how much longer I will be driving for?
It has taken me 32 minutes to drive 48 km. If the total length of my journey is 146 km and I maintain the same speed, then you can estimate that you will be driving for approximately 65.344 minutes longer to complete the remaining 98 km of your journey.
To estimate how much longer you will be driving for, we can use the concept of proportionality. We know that the time taken to drive 48 km is 32 minutes. Let's use this information to find the time it would take to drive 146 km.
We can set up a proportion to find the time:
(time taken for 48 km) / (48 km) = (time taken for 146 km) / (146 km)
Let's solve for the time taken for 146 km:
(time taken for 146 km) = (time taken for 48 km) * (146 km / 48 km)
Substituting the given values:
(time taken for 146 km) = 32 minutes * (146 km / 48 km)
Calculating the value:
(time taken for 146 km) ≈ 32 minutes * 3.042
(time taken for 146 km) ≈ 97.344 minutes
Therefore, it would take approximately 97.344 minutes to drive 146 km at the same speed.
To estimate how much longer you will be driving for, we can subtract the initial time of 32 minutes from the estimated time of 97.344 minutes:
Additional time = 97.344 minutes - 32 minutes
Additional time ≈ 65.344 minutes
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points for my peeps yo
Answer:
u already know homes
Step-by-step explanation:
gracias
Answer:
Thanks!!!
Step-by-step explanation:
Nick has the same number of pennies, nickels, and dimes. How much money could Nick have if the total amount he has is less than $1? List all possibilities.
Answer:
16 cents, 32 cents, 48 cents, 64 cents, 80 cents, or 96 cents
Step-by-step explanation:
Well considering that there will always be a 1:1:1 ratio, we can just start by adding up each amount of coin
If we had 1 penny, 1 nickel, and 1 dime, that would give us 16 cents
If we had 2 pennies, 2 nickels and 2 dimes, that would give us 32 cents
3 pennies, 3 nickles, and 3 dimes for 48
4 pennies, 4 nickels, and 4 dimes for 64
5 Pennies, 5 Nickels and 5 Dimes for 80
6 Pennies, 6 Nickels, and 6 Dimes for 96
Any more would put us about that 1 dollar limit, so he could potentially have 16 cents, 32 cents, 48 cents, 64 cents, 80 cents, or 96 cents
Nick could have:
All the possibilities are 16 cents, 32 cents, 48 cents, 64 cents, 80 cents, or 96 cents.
What is an inequality?In mathematics, "inequality" refers to a relationship between two expressions or values that are not equal to each other. To solve the inequality, you may multiply or divide each side by the same positive number, add the same amount to each side, take the same amount away from each side, and more. You must flip the inequality sign if you multiply or divide either side by a negative number.
Given:
Nick has the same number of pennies, nickels, and dimes.
We know that one penny = one cent.
A nickel is a five-cent coin.
A dime is worth 10 cents.
If the total amount he has is less than $1,
x + 5x + 10x < 100
16x < 100
x <100/16
x ≤6
If x = 6
Then, Nick have, 96 cents.
Therefore, all the possibilities are 16 cents, 32 cents, 48 cents, 64 cents, 80 cents, or 96 cents.
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A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not
replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?
A) 6/71 to attempt to make new friends
B) 1/12 to make people jealous
C) 2/3 to win a trophy
D) 1/10 to get attention
E) 11/72 to get others to join
Answer:
A) 6/71 to attempt to make new friends
Step-by-step explanation:
The probability that she chooses a peanut butter then a chocolate chip cookie is about 6/71 in an attempt to make some new friends!
I hope this helps! Good luck with your assignment/test! <3
- 7v7
prove that if n2 is divisible by 3, then n is divisible by 3. (use contraposition, the quotient remainder theorem, and cases.)
The contraposition statement is true in all applicable cases, we can conclude that the original statement is also true. Therefore, if n2 is divisible by 3, then n is divisible by 3.
To prove that if n2 is divisible by 3, then n is divisible by 3, we will use contraposition, the quotient remainder theorem, and cases.
First, we will use contraposition to restate the original statement. The contraposition of "if n2 is divisible by 3, then n is divisible by 3" is "if n is not divisible by 3, then n2 is not divisible by 3."
Next, we will use the quotient remainder theorem to divide n by 3. According to this theorem, we can write n as 3q + r, where q is the quotient and r is the remainder. There are three possible cases for the value of r: 0, 1, or 2.
Case 1: r = 0
In this case, n is divisible by 3, so this case does not apply to the contraposition statement.
Case 2: r = 1
In this case, n = 3q + 1, so n2 = (3q + 1)2 = 9q2 + 6q + 1. This expression is not divisible by 3, so the contraposition statement is true in this case.
Case 3: r = 2
In this case, n = 3q + 2, so n2 = (3q + 2)2 = 9q2 + 12q + 4. This expression is not divisible by 3, so the contraposition statement is true in this case.
Since the contraposition statement is true in all applicable cases, we can conclude that the original statement is also true. Therefore, if n2 is divisible by 3, then n is divisible by 3.
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They can buy 120 vans, 60 small trucks, and 80 large trucks.
How to find the number of van, small trucks and large truck needed?The truck company plans to spend 10 million on 260 vehicles. Each commercial van cost 25,000 dollars. Each small truck 50,000 dollars and each large truck 50,000 dollars. They needed twice as many van as small truck
Therefore,
let
s = number of small truck
number of van = v
let
l = number of large truck
v + s + l = 260
25,000(v) + 50,000(s) + 50,000(l) = 10,000, 000
v + 2s + 2l = 400
Hence,
v = 2s
So,
2s + 2s + 2l = 400
4s + 2l = 400
2s + s + l = 260
3s + l = 260
2s + l = 200
s = 60
l = 200 - 2(60)
l = 200 - 120
l = 80
v = 2(600 = 120
Therefore, they can buy the following:
number of small truck = 60
number of van = 120
number of large truck = 80
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express(16^5)^1/4 in simplest radical form.
Answer:
32
Step-by-step explanation:
Hello, in (16^5)^1/4, you would multiply the exponents together like this:
16^5 x 1/4= 16^5/4
The exponents multiplied make 5/4. Now you need to multiply 16 with 5/4 like this:
16 x 5/4= 80/4
80 divided by 4 is 32 so therefore, the answer is 32.
A set of numbers is shown
{0,1/2, 1, , 2}
When substituted for y, which values from the set make the inequality 1 > 2y true?
Answer:
0
Step-by-step explanation:
If we solve the inequality for y, we get ...
1/2 > y . . . . divide both sides by 2
That is true only for the value 0 from the given set.