Answer:
probably c. the one w cos(165) on the end
Step-by-step explanation:
hope this drawing helps at all~ looks a bit busted but yea
The value of expression is, \(|r-s|=\sqrt{284.5}=16.86\)
Sum of vectors :If two vector r and s are present. Then magnitude of resultant of these two vectors are calculated by cosine formula.
\(|r-s|^{2}=r^{2} +s^{2} +2|r||s|cos\theta\)
Where \(\theta\) is angle between both vectors.
A diagram is attached below.
\(|r-s|^{2}=6^{2} +11^{2} +2*6*11*cos15\\\\|r-s|^{2}=36+121+127.5\\\\|r-s|^{2}=284.5\\\\|r-s|=\sqrt{284.5}=16.86\)
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Use linear approximation, i.e. the tangent line, to approximate 3√ 125.2 as follows: Let f(x)=√x. The equation of the tangent line to f(x) at x = 125 can be written in the form
y=mx+b
Using linear approximation, the expression √125.2 can be approximated as approximately 10.02.
How to find linear approximation?To find the equation of the tangent line to the function f(x) = √x at x = 125, determine the slope (m) and the y-intercept (b) of the tangent line.
First, find the slope (m) using the derivative of the function f(x) = √x:
f'(x) = 1 / (2√x)
Evaluate the derivative at x = 125:
f'(125) = 1 / (2√125) = 1 / (2 × 5) = 1/10
Now, find the y-coordinate of the point on the function f(x) at x = 125:
f(125) = √125 = 5
So, the tangent line at x = 125 passes through the point (125, 5) and has a slope of 1/10.
Using the point-slope form of a linear equation, the equation of the tangent line can be written as:
y - 5 = (1/10)(x - 125)
To simplify, multiply through by 10:
10y - 50 = x - 125
Rearranging the equation, express it in the form y = mx + b:
y = (1/10)x - 75/10 + 5
Simplifying further:
y = (1/10)x - 75/10 + 50/10
Combining the terms:
y = (1/10)x - 25/10
Therefore, the equation of the tangent line to f(x) = √x at x = 125 is y = (1/10)x - 25/10.
Now, use this tangent line to approximate the value of √125.2:
Substitute x = 125.2 into the equation:
y = (1/10)(125.2) - 25/10
y = 12.52 - 2.5
y ≈ 10.02
So, using linear approximation, approximate √125.2 as approximately 10.02.
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A man, a woman, and their four children randomly stand in a row for a family picture. What is the probability that the parents will be standing next to each other?
Answer:
Required probability = 2 / 11
Step-by-step explanation:
Sample space of 5 person = 11!
One woman one man arrangement = 2!
Arrangement without woman = 10!
Required probability = [2!][10!] / [11!]
Required probability = 2 / 11
The probability that the parents will be standing next to each other is 2/11
Probability is the likelihood or chance that an event will occur.
Probability = Expected outcome/Sample spaceGiven a woman, man and their four children, if their parents will be standing next to each other, that makes it 5 people. The sample space for 5 people is 11!
The parent arrangement is 2!If they are arranged without the woman, the expected event will be 10!Pr(parents standing next to each other) = 2!10!/11!
Pr(parents standing next to each other) = 2*10!/11*10!
Pr(parents standing next to each other) = 2/11
Therefore the probability that the parents will be standing next to each other is 2/11
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help with 6 please i need to graduate
The expression with the correct coefficients in each block is given as follows:
20x³ + 0x² - 7x.
How to obtain the resultant function?The functions in the context of this problem are defined as follows:
f(x) = 4x.g(x) = 5x² - 4.h(x) = 9x.The operation is given as follows:
f(x)g(x) + h(x).
Hence, to obtain the resultant function, we apply the definitions into the operation and the simplify, applying the distributive property and combining the like terms, as follows:
4x(5x² - 4) + 9x = 20x³ - 16x + 9x = 20x³ - 7x.
As there is no x² term, the coefficient of zero multiplies the term x².
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Using matrix method solve the following simultaneous equations 1x + 4y = 9 2x-3y=7
Thus, using the matrix technique, the solutions to the simultaneous equations are x = -1 and y = 1.
what is matrix ?A rectangular array of numbers or even other mathematical objects that can perform actions like addition and multiplication is known as a matrix. Matrices are widely used to describe systems of equations, transformations, and data in mathematics, physics, engineering, computer science, and many other disciplines. The individual matrix components are frequently identified by their row and column positions, and matrices have a predetermined number of rows and columns. There are numerous actions that can be carried out on matrices, including addition, subtraction, and multiplication by other matrices.
given
We can write the equations in matrix form as follows to answer the simultaneous equations 1x + 4y = 9 and 2x - 3y = 7 using the matrix method:
Then, on the left side of the equation, we can locate the inverse of the coefficient matrix:
| 1 4 |^-1 = 1/(-11) | -3 -4 |
|-2 -1 |
When we multiply both sides of the equation by the coefficient matrix's inverse, we obtain:
| x | | 1 4 |^-1 | 9 |
| x | | -3/11 -4/11 | | 9 |
| y | = | -2/11 -1/11 | x | 7 |
If we simplify, we get:
x = (-3/11)*9 + (-4/11)*7 = -1
y = (-2/11)
*9 + (-1/11)
*7 = 1
Thus, using the matrix technique, the solutions to the simultaneous equations are x = -1 and y = 1.
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The woods behind Wendy’s house were 8 miles wide and have an area of 24 mi.² what is the length of the woods 
Answer:
48 miles
Step-by-step explanation:
i think thats it.
Answer: 4.
Step-by-step explanation: 8+8=16. count how many more until you get to 24, that is 8. Split 8 in half. We get 4.
Hope this helps!
Find the perimeter of the triangle whose vertices are (−7,−1), (5,−1), and (5,4). Write the exact answer. Do not round.
The perimeter of the triangle is 30 units
How to determine the perimeter?The vertices are (−7,−1), (5,−1), and (5,4).
Start by calculating the distance between the vertices using:
\(d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2\)
So, we have:
\(d1 = \sqrt{(-1 + 1)^2 + (5 + 7)^2\)
d1 = 12
\(d2 = \sqrt{(-1 - 4)^2 + (5 - 5)^2\)
d2 =5
\(d3 = \sqrt{(-1 - 4)^2 + (-7 - 5)^2\)
d3 = 13
The perimeter is then calculated as:
P = d1 + d2 + d3
This gives
P = 12 + 5 + 13
Evaluate
P = 30
Hence, the perimeter of the triangle is 30 units
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A triangle has the measures of two of its interior angles 48° and 65°, the third interior angle is unknown. What is the value of the exterior angle corresponding to the interior angle whose value is unknown?
a) 123°
b) 131°
c) 113°
d) 128°
e) 118°
Answer:
c) 113°
Step-by-step explanation:
Exterior angle is equal to the sum or the "remote" interior angles, that is the two angles that are not just next to the exterior angle. See image.
So the answer, quickly:
exterior angle
= 65° + 48°
= 113°
This is why:
(skip if you don't care)
The three angles in a triangle add up to 180° But also, a linear pair of angles also add up to 180°
So
x + 65° + 48° = 180°
x + y = 180°
y = 65° + 48°
See image.
A Last week, Randy went to soccer camp 6 hours each day from Monday through Thursday. How many hours did Randy spend at soccer camp last week?
Else purchased a prepaid phone card for $15. Long distance calls cost 6 cents a minute using this card. Elsa used her card only once to make a long distance
cal. If the remaining credit on her card is $13.50, how many minutes did her call last?
Answer:
25 minutes
Step-by-step explanation:
First you subtract the original amount on the card from the remaining amount left.
So you can get the amount of money spent on that call.
$15 - $13.50 = $1.50
Then you divide that number by how much it cost per minute.
$1.50 ÷ 6 = 0.25
Then you get your answer!
She was on the phone for 25 minutes
I need the answer I'm confused
Answer:
(6, -5)
Explanation:
Please help with this
9514 1404 393
Answer:
(11/24)x^6
Step-by-step explanation:
\(\dfrac{1}{8}x^5\cdot3\dfrac{2}{3}x=\dfrac{1}{8}\cdot\dfrac{11}{3}\cdot x^5\cdot x=\boxed{\dfrac{11}{24}x^6}\)
__
The applicable rule of exponents is ...
(a^b)(a^c) = a^(b+c)
Translate the following sentence into an algebraic inequality: Three times a number, v, added to eight is greater than or equal to twenty-two. Question 7 options: A) 3v + 8 > 22 B) 3v + 8 ≥ 22 C) 3v + 8 ≤ 22 D) 3v + 8 < 22
Hi there!
»»————- ★ ————-««
I believe your answer is:
\(3v + 8 \geq 22\)
»»————- ★ ————-««
Here’s why:
⸻⸻⸻⸻
\(\boxed{\text{Breaking down the phrase...}}\\\\\text{Three times a number, v, added to eight is greater than or equal to twenty-two. }\\------------------\\\rightarrow \text{"Three times a number, v..."} - 3v \text{ This expresses the product of '3' and 'v'.}\\\\\rightarrow \text{"added to eight..."} - + 8 \text{ The product gets added to eight.}\\\\--------------\\\text{The First Part Is:}}\\\\3v + 8\\---------------\\\rightarrow \text{is greater than or equal to twenty-two. } - \geq 22\)
\(\text{The value of '3v + 8' is greater than or equal to 22.}\\---------------\\\text{\underline{Putting it together, we would have:}}\\\\\boxed{3v + 8 \geq 22}}\)
⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
Which of the following sets of numbers is a Pythagorean triple?
42, 40, 82
42, 40, 58
41, 41, 58
40, 41, 57
HELP QUICK PLEEZ
Answer:
42,40,58
Step-by-step explanation:
50,000 is 20% of what?
Answer:
250000
Step-by-step explanation:
20% of x is 50000
----------------------------
50000=20x/100
50000= x/5
5(50000) = x
250000 = x
i need answers for this question please
Please help this make no sense to me
Step-by-step explanation:
See image below
Answer: 37cm²
Step-by-step explanation:
11 Joel says, "For x 20, the expression
\(( \sqrt[7]{ {x}^{2} })( \sqrt[5]{ {x}^{3} } \)
equivalent to
\(( \sqrt[35]{ {x}^{6} } \)
is he correct? Justify your response algebraically.
Answer:
no justified
Step-by-step explanation:
To approximate the length of a marsh, a surveyor walks x = 420 meters from point A to point B. Then, the surveyor turns 75° and walks 220 meters to point C (see figure). Approximate the length AC of the marsh. (Round your answer to one decimal place.)
If to approximate the length of a marsh, a surveyor walks x = 420 meters. The Approximate the length AC of the marsh is 420.7m.
How to find the length?Using this formula to find the length of Ac of the march
b² = a²+c² -2ac Cos B
Where:
a²=220
c²= 420
Cos B = 180° - 75° = 105°
Let plug in the formula
b² = 220² + 420² - 2(220)( 420) Cos 105°
b² = 220² + 420² - 2(220)( 420) (-0.258819045)
b² = 48,400 + 176,400 - 47,829.76
b² = 224,800 - 47,829.76
b = √176,970.24
b = 420.7m
Therefore the length is 420.7m
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Solve the equation.
x(4x−11)=15
The following figure is a rectangle. The length of segment AE is 12. What is 2 points
the length of segment BC?
B
12
Answer:
its 24
Step-by-step explanation:
all the sides are equal.... btw dont download the link its a virus he is a bot
Please help me solve this I will give 100 points and give you Brainiest title ! It’s question 8 and please show your work!
Answer:
24
Step-by-step explanation:
0.25 * 16 = 4
40 - 4 = 36
36 divided by 1.5 = 24
\(\\ \rm\hookrightarrow c=\dfrac{40-1.5r}{0.25}\)
\(\\ \rm\hookrightarrow 16=\dfrac{40-1.5r}{0.25}\)
\(\\ \rm\hookrightarrow 40-1.5r=16(0.25)=4\)
\(\\ \rm\hookrightarrow 1.5r=36\)
\(\\ \rm\hookrightarrow r=36/1.5\)
\(\\ \rm\hookrightarrow r=24\)
126 of the 180 books on a shelf in the library are fiction
books. What percent of the books are fiction?
Find the slope of the line through the given pair of points.
(-8, -11), (-20,7)
Answer:
Step-by-step explanation:
Slope= y2-y1/x2-x1
7- -11=18
-20 - -8= -12
Slope= 18/-12
12
Select the correct answer.
The scatter plot represents the purchase prices and selling prices of X-ray machines made by five different manufacturers. Which of the following
points show errors of prediction or residuals?
OA.
OB.
O C.
O D.
Points (14, 25) and (15, 25)
Points (15, 25) and (18, 26)
Points (14, 25) and (16, 25)
Points (12, 24) and (18, 26)
Estimated Selling Price (in $1,000)
26.5
26-
25.5
25
24.5
24
23.5
10
11
12 13 14 15 16 17 18 19 20
Purchase Price (in $1,000)
The points on the scatter plot show the different predictions. The straight line drawn is called the line of regression.
Errors in prediction for each point can be determined by drawing a vertical line from the point to the line of regression. As seen in the image, all of the prediction points are found on the line except for points (14,25) and (16,25). Therefore, these points contain errors in prediction.
The graph that represent this data using the points is added as an attachment
From the question, we have the following parameters that can be used in our computation:
The x and y values
Where
x = stars
y = price
To determine the graph that represent the data, we enter the x and y values in a graphing tool to create the graph
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Hannah is designing a new board game, and is trying to figure out all the possible outcomes. How many different possible outcomes are there if she spins a spinner with 5 equal-sized sections labeled Monday, Tuesday, Wednesday, Thursday, Friday, spins a spinner with four equal-sized sections labeled Red, Green, Blue, Orange, and flips a coin?
The total number of different possible outcomes is 40.
Hannah is designing a new board game and is trying to figure out all the possible outcomes. Hannah spins a spinner with five equal-sized sections labelled Monday, Tuesday, Wednesday, Thursday, and Friday. Hannah spins a spinner with four equal-sized sections labelled Red, Green, Blue, and Orange. Hannah also flips a coin at the end.
The number of possible outcomes for the first spinner is 5.
The number of possible outcomes for the second spinner is 4.
The number of possible outcomes from flipping the coin is 2.
The total number of different possible outcomes is the product of all the possibilities.
N = 5*4*2
N = 40
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y-2x=-1 in slope intercept form
Y=2x-1
Step-by-step explanation:
I am big brain
Answer:
y=2x-1
Step-by-step explanation:
You add 2x to the other side, then rearrange
find the measure of each angle. JKL=5x+4 and LKM=3x
Angle JKL has a measure of 24 degrees while angle LKM has a measure of 12 degrees
How to determine the measure of each angle?The possible question is added at the end of the solution and as an attachment
From the attached figure, we have the following angles
Angle 1: Angle JKL = 5x+4Angle 2: Angle LKM = 3xFrom the attached figure, we can see that:
Angle 1 is twice the measure of angle 2
This is so because, the angle 1 is the vertex angle of an isosceles triangle
While the angle 2 is half of it
So, we have
Angle 1 = 2 * Angle 2
Substitute the known values in the above equation
So, we have
2 * 3x = 5x + 4
Evaluate the product
So, we have
6x = 5x + 4
Evaluate the like terms
x = 4
Substitute x = 4 in the equations JKL=5x+4 and LKM=3x
So, we have
JKL= 5 x 4 + 4
LKM = 3 x 4
Evaluate the equations
So, we have
JKL= 24
LKM = 12
Hence, the measures of the angles are JKL= 24 and LKM = 12, respectively
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Someone help me please and thank you
Answer: 2a < 2b
Step-by-step explanation:
We are given a statement:
a < b and b < c, then 2a ____ 2b
We can use simple numbers that make the statement true.
Where,
a = 2
b = 3
c = 4
Now lets plug it in.
2 < 3 and 3 < 4, then 2(2) ____ 2(3)
and lets simplify:
2 < 3 and 3 < 4, then 4 ____ 6
We can see that 4 is less than 6,
so as a is less than b, 2a is less than 2b.
The only thing changing is the coefficient being multiplied by the variables a and b.
Solve 5x^2-2x-1=4x to the nearest tenth
The solutions to the nearest tenth are x = -0.1 and x = 1.3
Solving the equation to the nearest tenthFrom the question, we have the following parameters that can be used in our computation:
5x² - 2x - 1 = 4x
Evaluate the like terms
So, we have
5x² - 6x - 1 = 0
Next, we solve using a graph
The graph of 5x² - 6x - 1 = 0 is added as an attachment
From the attached graph, we can see that the curve intersects with the x-axis at x = -0.1 and x = 1.3
This means that the solutions are x = -0.1 and x = 1.3
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Answer:
The solutions to the equation 5x^2-2x-1=4x to the nearest tenth are x ≈ 1.3 or x ≈ -0.4.
Step-by-step explanation:
To solve the equation 5x^2-2x-1=4x to the nearest tenth, we can start by moving all the terms to one side of the equation.
5x^2-2x-1=4x
5x^2-6x-1=0
Next, we can use the quadratic formula to solve for x:
x = (-b ± sqrt(b^2 - 4ac)) / 2a
where a = 5, b = -6, and c = -1.
Plugging these values into the formula gives:
x = (-(-6) ± sqrt((-6)^2 - 4(5)(-1))) / 2(5)
x = (6 ± sqrt(56)) / 10
x ≈ 1.3 or x ≈ -0.41. A certain small factory employs 98 workers. Of these, 10 receive a wage of $150 per day and the rest receive $85.50 per day. To the management, a week is equal to 6 working days. How much does the factory pay out for each week
Answer:hello I'm from Philippines
Step-by-step explanation: