Answer: C = P$3.89
Step-by-step explanation:
Starting at its rightmost position, it takes 1 second for the pendulum of a grandfather clock to swing a horizontal distance of 12 inches from right to left, and 1 second for the pendulum to swing back from left to right. Write a cosine function, d
The cosine function, d = acos(bt), to model the distance, d, of the pendulum from the center (in inches) as a function of time t (in seconds) is d(t) = 6cos([tex]\pi[/tex]t).
What is the principle of pendulum?As long as its length is constant, a pendulum completes each swing (or oscillation) in precisely the same amount of time. Any particular pendulum oscillates for a fixed amount of time.
Calculation for the cosine function-
The given function is: cosine function, d = acos(bt).
As, the pendulum takes 1 second for the pendulum of a grandfather clock to swing a horizontal distance of 12 inches from right to left, and 1 second for the pendulum to swing back from left to right.
The total time 't' by the pendulum is 2 sec.
Calculate the angular speed of the pendulum by-
ω = 2[tex]\pi[/tex]f
= 2[tex]\pi[/tex]×(1/2)
ω = [tex]\pi[/tex] which is 'b' value of the given function.
As given, the distance of the pendulum from the centre is half of the total distance.
a = 12/2
a = 6
Substitute the obtained values in the cosine function, d = acos(bt),
d(t) = 6cos([tex]\pi[/tex]t)
Therefore, the cosine function, d = acos(bt), to model the distance, d, of the pendulum from the center (in inches) as a function of time t (in seconds) is d(t) = 6cos([tex]\pi[/tex]t).
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The complete question is -
Starting at its rightmost position, it takes 1 second for the pendulum of a grandfather clock to swing a horizontal distance of 12 inches from right to left, and 1 second for the pendulum to swing back from left to right. Write a cosine function, d = acos(bt), to model the distance, d, of the pendulum from the center (in inches) as a function of time t (in seconds).
Answer:
a=6
The period is 2 seconds.
b=pi
t=0.5
d=4.243
Step-by-step explanation:
There is a number that if you subtract 9 from it first, and then divide that total by 6, you get 7. What's the number?
Answer:
51
Step-by-step explanation:
Translate the problem into an equation and solve the equation.
(x - 9)/6 = 7
x - 9 = 42
x = 51
Answer: 51
Answer:
51
Step-by-step explanation:
Create an equation.
[tex]\frac{(x-9)}{6} = 7[/tex]
Multiply 6 to both sides.
x-9 = 42
Add 9 to both sides.
x=51
To check if this is correct follow the steps given in the question.
51-9=42
42÷6=7
It is correct.
Hope this helps!
Complete the following conversions. i) 1 mm = m ii) mm = 1 m iii) 1 cm = m iv) cm = 1 m v) 1 km = m vi) km = 1 m vii) 1 cm = mm viii) cm = 1 mm
The unit conversion for the given values are explained below.
What is unit conversion?Unit conversion is the process of changing a quantity's measurement between different units, frequently using multiplicative conversion factors.
The following measurements: length, weight, capacity, temperature, and speed are all measured in units.
Some basic unit conversions are-
1 Km = 1000 m1 m = 100 cm1 m = 1000 mm1 cm = 10 mmThere are two methods to convert the units
To convert smaller unit into larger divide the number by conversion factor.To convert larger value into smaller value multiply by the conversion factor.The unit conversion for the following factors are-
i) 1 mm = _ m
Here, conversion is from smaller to larger. So, divide by conversion factor.
1 mm = (1/100)m
ii) _ mm = 1 m
Here, conversion is from larger to smaller. So, multiply with conversion factor.
1000 mm = 1 m
iii) 1 cm = _ m
Here, conversion is from smaller to larger. So, divide by conversion factor.
1 cm = (1/100)m
iv) _ cm = 1 m
Here, conversion is from larger to smaller. So, multiply with conversion factor.
100 cm = 1 m
v) 1 km = _m
Here, conversion is from larger to smaller. So, multiply with conversion factor.
1 km = 1000 m.
vi) _ km = 1 m
Here, conversion is from smaller to larger. So, divide by conversion factor.
(1/1000) km = 1 m.
vii) 1 cm = _mm
Here, conversion is from larger to smaller. So, multiply with conversion factor.
1 cm = 10 mm
viii) _cm = 1 mm
Here, conversion is from smaller to larger. So, divide by conversion factor.
(1/10) cm = 1 mm.
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Which ordered pair is a solution to the system of linear equations? 2x 3y= 6 –3x 5y = 10
The given system of equations has the solution, x = 0, and y = 2, giving the ordered pair (0, 2). Hence, the first option is the right choice.
In the question, we are asked for the ordered pair, which is the solution to the system of equations:
2x + 3y= 6 ... (i)
–3x + 5y = 10 ... (ii).
To solve for the solution to the system of equations, we use the elimination method.
We multiply (i) by 3, and (ii) by 2, and then add the resultant equations to eliminate x as follows:
6x + 9y = 18 {(i) * 3}
-6x + 10y = 20 {(ii) * 2}
_____________
19y = 38,
or, y = 38/19 = 2.
Substituting, y = 2, in (i), we get:
2x + 3y = 6,
or, 2x + 3(2) = 6,
or, 2x + 6 = 6,
or, 2x = 6 - 6 = 0,
or, x = 0/2 = 0.
Thus, the given system of equations has the solution, x = 0, and y = 2, giving the ordered pair (0, 2). Hence, the first option is the right choice.
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The complete question is:
"Which ordered pair is a solution to the system of linear equations?
2x + 3y= 6
–3x + 5y = 10
(0,2)
(2,0)
(3,2)
(2,3)"
FIRST PERSON TO ANSWER GETS BRAINLIEST OR FIVE STARS Define the domain and range of the function.
Domain:
Range:
Answer:
Domain: (-∞, ∞)
Range: (-∞, ∞)
Step-by-step explanation:
The domain are the x-values included in the function (the horizontal axis).
The range are the y-values included in the function (the vertical axis).
The two arrows on the ends of the line (pointing upwards and downwards respectively) indicate that the function goes in those direction for infinity. Therefore, if there are an infinite amount of y-values, the range is (-∞, ∞).
While the slope is quite steep, there is still a slope and slowly "expands" the line on the horizontal axis. Because there is no limit to the y-values, the domain will also expand infinitely. Therefore, the domain is also (-∞, ∞).
Answer:
Domain: All real numbers (interval notation: [tex](-[/tex]∞, ∞[tex])[/tex]
Range: All real numbers (interval notation: [tex](-[/tex]∞, ∞[tex])[/tex].
Step-by-step explanation: The domain of a graph is all the x-values where the line touches or will eventually touch.
The range of a graph is like the domain, but it is all the y-values where the line touches or will touch.
In a linear function in the form y = mx + b or ax + by = c, the domain and range will always be "all real numbers" and the interval will always be (-∞, ∞). This makes sense since a line always goes on forever (unless it's piecewise or an inequality.) So the line will eventually meet every single x and y value on the xy graph.
A 2-column table with 3 rows. Column 1 is labeled x with entries 2, 4, 5. Column 2 is labeled y with entries 5, 10, 12.5.
Use the information in the table to find the constant of proportionality and write the equation.
The constant of proportionality is
.
The equation that represents this proportional relationship is
.
The equation of constant of proportionality will be y = 2.5x.
Given A 2-column table with 3 rows. Column 1 has entries 2, 4, 5. Column 2 has entries 5, 10, 12.5.
Equation of two variables look like ax+by=c. It can be a linear equation,quadratic equation,cubic equation.
Equation from two points can be found out by putting the values of points in the formula given below:
[tex](y-y_{1})=(y_{2} -y_{1} /x_{2} -x_{1} )*(x-x_{1} )[/tex] in which [tex](x_{1} ,y_{1} ),(x_{2} ,y_{2} )[/tex] are the end points of the line.
Equation of constant proportionality looks like:
k=y/x
in which k is slope which is to be find out according to the same formula as we find in the equation of line.
Slope from (2,5),(4,10) is (10-5/4-2)
=5/2
=2.5
Put the value of k=2.5 in formula of slope.
2.5=y/x
2.5x=y
y=2.5x.
Hence the equation of constant of proportionality is y=2.5x.
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A)x=45
B)x=90
C)x=20
D)x=4.5
Answer:
x=4.5
Step-by-step explanation:
We know that if all sides are congruent then all angles must also be congruent, therefore you can solve for x with the following equation:
[tex]20x=90[/tex]
Solve
[tex]x=4.5[/tex]
If point E is the midpoint of and point D is the midpoint of , which expression represents the value of s
The length of ED is half the length of AB.
What is the length?Distance is measured by length. Length is a quantity with the dimension distance in the International System of Quantities. Most measurement systems use a base unit for length from which all other units are derived. The meter is the foundation unit of length in the International System of Units.Reasons:
The given parameters are;
In ΔABC, point E is the midpoint of AC
The midpoint of BC is the point D
Segment ED = s
Segment CE = p
Segment EA = r
Segment CD = q
Segment DB = t
Segment ED = s
Segment AB = u
Required:
The expression that represents the value of [tex]s[/tex].
Solution:
CE = 0.5 × AC Definition of midpoint
CD = 0.5 × CB Definition of midpoint
Therefore, we have;
[tex]\frac{CE}{AC} =\frac{CD}{CB} =0.5[/tex]
Therefore, given that ∠C ≅ ∠C, by the reflexive property, we have;
ΔABC is similar to ΔCDE by Side-Angle-Side similarity
Which gives;
[tex]\frac{CE}{AC} = \frac{CD}{CB} = \frac{ED}{AB} =0.5=\frac{1}{2}[/tex]
ED = s and AB = u which gives;
[tex]\frac{ED}{AB}=\frac{s}{u} =0.5=\frac{1}{2}[/tex]
[tex]\frac{s}{u} =\frac{1}{2}[/tex]
Which gives:
[tex]s=\frac{1}{2} *u[/tex]
The expression that represents the value of s is; s = one-half u
Therefore, the length of ED is half the length of AB.
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The question you are looking for is here:
If point E is the midpoint of segment AC and point D is the midpoint of segment BC, which expression represents the value of s? triangle CAB, point E is on segment AC between points A and C and point D is on segment BC between points B and C, creating segment ED, CE equals p, EA equals r, CD equals q, DB equals t, ED equals s, and AB equals u s equals p over q s = one half s equals q over p s = 2u
What are the ratios for sin A and cos A? The diagram is not drawn to scale.
Answer:
C
Step-by-step explanation:
Sin represents opposite/hypotenuse. Thus, when A is the reference angle, 21 is the measure of the opposite side (CB) and 29 is the measure of the hypotenuse (AB).
Cos represents adjacent/hypotenuse. Therefore, when A is the reference angle, 20 is the measure of the adjacent side (AC) and 29 is the measure of the hypotenuse (AB).
If joe travels 434 miles in 7 hours, how far will he travel in 10 hours at the same speed?
He travels 620miles at the same speed.
Given that joe travels 434 miles in 7 hours.
An object's speed is determined by how quickly it moves. It is the distance a body travels in one unit of time.
Firstly, we will find the speed when the distance is 434 miles and the time is 7 hours by using the formula
Speed=Distance/Time
Substitute the values in the formula, we get
Speed=434miles/7 hours
Speed=62 miles/hour
Now, we will find the distance when time is 10 hours, we get
62=distance/10
Multiply both sides by 10, and we get
62×10=(distance/10)×10
620miles=distance.
Hence, in 10 hours at the same speed, he travels when joe travels 434 miles in 7 hours is 620miles.
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Simplify
32x^8 ÷ 8x^32
Hello,
[tex] \frac{32 {x}^{8} }{8x {}^{32} } = \frac{4 \times 8 \times x {}^{8} }{8x {}^{32} } = \frac{4x {}^{8} }{x {}^{32} } = 4x { }^{8 - 32} = 4x {}^{ - 24} [/tex]
Answer:
[tex] \red{4 {x}^{ - 24} }[/tex]
Step-by-step explanation:
We know that,
[tex] {a}^{m} \times {a}^{m} = {a}^{m + n} \\ \\ \frac{ {a}^{m} }{ {a}^{n} } = {a}^{m - n} \: \: \: \: \: \: \: \: \: \: \: \\ \\ ({a}^{m})^{n} = {a}^{mn} \: \: \: \: \: \: \: \: \: \: [/tex]
Now using the above knowledge let us solve the sum.
[tex] \frac{32 {x}^{8} }{8 {x}^{32} } \\ ( \frac{32}{8} ) \times ( \frac{ {x}^{8} }{ {x}^{32} } ) \\ 4 \times {x}^{8 - 32} \\ 4 \times {x}^{ - 24} \\ = 4 {x}^{ - 24} [/tex]
The probability of correctly rejecting the null hypothesis when the null hypothesis is false is the _____.
The probability of correctly rejecting the null hypothesis when the null hypothesis is false is the power
How to complete statement?From the question, we have the following highlights
Null hypothesis is falseNull hypothesis is correctly rejectedThe statement that represents the probability of the above highlights is power
Hence, the statement that completes the blank is power
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Help me please 10 pts for you mark you brainliest
Answer 1: A and C
Step-by-step explanation:
Use distribution law to see which answer match the equation at the top.
Answer 2: 16q + 4
10q and 6q are like terms
10q + 6q = 16q
+
5 - 1
Answer:
Hello,
Step-by-step explanation:
page 1:
60-36j=12(5-3j) answer C
=6(10-6j) answer A
page 2:
10q+5+6q-1=16q+4=4(4q+1)
page 3:
24j-16=8(3j-2)
page 4:
10h+30+50j=10*(h+3+5j) answer B
=2*(5h+15+25j) answer C
=5(2h+6+10j) not A nor D
Line ab passes through points a(-6,6) and b(12,3). if the equation of the line is written in slope-intercept form, y=mx+b, then m= -1/6. what is the value of b?
Answer: 5
Step-by-step explanation:
We have the equation of the line is of the form [tex]y=-\frac{1}{6}x+b[/tex].
Substituting in the coordinates (12,3), we get that:
[tex]3=-\frac{1}{6}(12)+b\\\\3=-2+b\\\\b=5[/tex]
Which statement is the most appropriate comparison of the spreads?
Option D. The most appropriate comparison for the spread is that the interquartile range for town A, 15 degrees is less than that of B.
How to solve for the interquartile rangeThe inter quartile is solved as Q3 - Q1
This is seen as
For Town A,
30 - 15 = 15 degrees
For town B
40 - 20 = 20 degrees.
Hence we can see that 15 is less than 20, so town A is less than town B. The answer is option D.
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Find the value of x. Circles!!
Answer:
98.5 degrees
Explanation:
According to the 'angles inside the circle theorem,' do
(101+96)/2 = 98.5
Have a blessed day!
Answer:
Step-by-step explanation:
Formula
<x = 1/2 (arc 1 + arc2)
This is the basic angle formula for the way two chords intersect.
Givens
arc1 = 96
arc2 = 101
Solution
<x = 1/2 (arc1 + arc2) Substitute values
<x = 1/2(96 + 101)
<x = 1/2(197)
<x = 98.5
Answer
x = 98.5
which of the following can be used to support the idea that the set of polynomials is closed under multiplication?
A) (5x-1)(3x^2+4x)
B) (9x^-3-5)(2x-17)
C) (10x^0.5)(5x^0.5+4)
D) (2x^-1-5x^4)(7x-2^-5)
The polynomial which can be used to support the idea that the set of polynomials is closed under multiplication is: A. (5x - 1)(3x² + 4x).
What is a polynomial?A polynomial can be defined as a mathematical expression which comprises intermediates (variables), constants, and whole number exponents with different numerical value, that are typically combined by using mathematical operations such as:
AdditionSubtractionMultiplicationIn Mathematics, a set is considered as closed under a multiplication operation, if the multiplication performed on two (2) elements of the set produces an element of the same set.
Note: The exponents of the variables are added when multiplying polynomials in accordance to the rules of exponents.
For option A, we have:
P = (5x - 1)(3x² + 4x)
P = 15x³ - 3x² + 20x² - 4x
P = 15x³ - 23x² - 4x.
For option B, we have:
P = (9x⁻³ - 5)(3x - 17)
P = 27x⁻² - 15x - 153x⁻³ + 85.
In conclusion, we can infer and logically deduce that the polynomial (5x - 1)(3x² + 4x) can be used to support the idea that the set of polynomials is closed under multiplication.
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Help me please
6. Find the LCM of 22a³b³c4 and 55abc.
O 110abc
O 77a³b³c¹
O 110a³b³c4
O 11a³b³c4
What is the slope of the line represented by the values in the table?
X
10
2
3
7
20
O-2
7-7
12
02
y
14
-2
0
8
34
Answer: 2
Step-by-step explanation:
[tex]\frac{-2-14}{2-10}=\frac{-16}{-8}=\boxed{2}[/tex]
A kite is made up of two isosceles triangles, KIT and KET, with the lengths shown. The top triangle of the kite, ΔKIT, is made from approximately 17 square inches of material.
Isosceles triangles K I T and K E T are connected at side K T. The length of K T is 10 inches. The length of sides K E and E T are 8 inches. The lengths of sides K I and I T are 6 inches.
Heron’s formula: Area = StartRoot s (s minus a) (s minus b) (s minus c) EndRoot
How much material is used for the entire kite, quadrilateral KITE? Round to the nearest square inch.
31 square inches
34 square inches
48 square inches
62 square inches
The amount of material needed for the entire kite is 48 square inches
How to determine the amount of material?The given parameters:
KI =6 inches
ET = 8 inches
KT=10 inches
Area of ΔKIT = 17 square inches
Start by calculating the area of the bottom triangle using:
A = 0.5 * Base * Height
This gives
A = 0.5 * 10 * 6
Evaluate
A = 30
The amount of material is
A = 30 + 17
A = 47
Hence, 48 square inches of material is used for the entire kite, quadrilateral KITE
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PLEASE HELP!!! THIS IS TIMED!!! PLEASE HELP ASAP!! How many solutions does this system have?
2 x minus 3 y = 10. Negative 4 x + 6 y = negative 20.
one
two
an infinite number
no solution
Answer:
No solution
Step-by-step explanation:
The equations:
2x – 3y = 10 → equ(1)
–4x + 6y = 20 → equ(2)
Using elimination method, and solving with y, we have:
3( –4x + 6y = 20) → equ(3)
6( 2x – 3y = 10) → equ(4)
Opening the bracket, we have:
–12x + 18y = 60
+12x – 18y = 60
From the above, we can see that both x and y are now eliminated, thereby giving us: 0 = 120 which makes no sense to me as it looks incorrect.
Therefore, there is no solution to the given equation.
I hope this helps
Answer:
One
Step-by-step explanation:
Katelynn is excited about her trip to Chicago with her orchestra. She needs to raise $500 in order to go. She decides to make and sell scarves in order to fund her trip. In order to make each scarf, she will need $3 worth of yarn. If she plans on making 100 scarves, how much must she charge for each scarf in order to be able to pay for her trip?
Answer:
$8 each scarf
Explanation:
Let the selling price for each scarf be x,
Formula:
unit amount(selling price - cost price) = total profit
Stepwise:
100(x - 3) = 500
100(x) - 100(3) = 500
100x - 300 = 500
100x = 500 + 300
100x = 800
x = 8
About 70% of Australia's population are of British descent. If Australia's population is 25
million how many people are of British descent?
Answer:
17,500,000 people
Step-by-step explanation:
70% can be rewritten as 0.7 time 25 million
0.7*25,000,000 = 17,500,000
Find the area of the figure
Answer:
100
Step-by-step explanation:
Lets first find the area of the greater square:
[tex]8*14=112[/tex]
And now the area of the cut inside of the square:
[tex]3*4=12[/tex]
Now subtract the area cut from the area of the greater square:
[tex]112-12=100[/tex]
Which of the following is equivalent to 5 squareroot of 13 3
The exponential form of ⁵√13³ is [tex]13^{3/5}[/tex].
Hence, option D) is the correct answer.
This question is incomplete, the complete question is:
Which of the following is equivalent to 5 sqrt 13³ ?.
A) 13^2.
B)13^15.
C)13^(5/3).
D)13^(3/5)
What is equivalent to 5 sqrt 13³ ?Given the expression; 5 sqrt 13³
This can be represented as; ⁵√13³
To convert from radical form to exponential form, we use apply the radical rule;
[tex]\sqrt[n]{a^m} = a^{m/n}[/tex]
Hence,
[tex]\sqrt[5]{13^3} = 13^{3/5}[/tex]
The exponential form of ⁵√13³ is [tex]13^{3/5}[/tex].
Hence, option D) is the correct answer.
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1. The perimeter of a rectangle is 16cm, and the area of the same rectangle is 8cm^2. What is the diagonal length of the rectangle?
2. Kendrick rides his bike x miles per hour to school and it takes him x + 15 minutes to get there. If Kendrick lives 5.4 miles from school, how many minutes does it take for Kendrick to ride to school?
Answer:
Step-by-step explanation:
Which of the following is an arithmetic sequence where a₁ = 9 and d= 7?
A) 9, 16, 23, 30, 37, ...
B) 0, 9, 18, 27, 36,...
C) 7, 16, 25, 34, 43,...
D) 0, 7, 14, 21, 28, ...
Answer:
Option A
Step-by-step explanation:
Arithmetic sequence:In a arithmetic sequence, difference between any two consecutive term is constant.
a₁ = 9 & d = 7
t₁ = 9
t₂ = a₁ + d
= 9 + 7
= 16
t₃ = t₂ + d = 16+ 7
= 23
t₄ = t₃ + d
= 23 + 7
= 30
t₅ = t₄ + d
= 30 + 7
= 37
9,16,23,30,37,.......
Can someone help me
Answer:
1. y = 0
2. f(x) has a horizontal asymptote at y=3/2
I hope this helps and that you can give a brainliest!
Step-by-step explanation:
There is a horizontal asymptote at y = 0 because the degree of the x value in the denominator is greater than the degree of the numerator (since it doesn't exist in the numerator, it counts as 0).
The second question does not have a slant asymptote.
The degree of both numerator and denominator are equal, so the horizontal asymptote is the quotient of the leading coefficients. So, it's 3 divided by 2.
What is the factored form of 27 - 530?
(2 - 10 ) ( - 590) (9 - 510)
( 20 + 1820م + 18 ) ( 10 - 2) -
O
O
0
(2 - 10) ( 9 + 9 10 + 510)
(2 - 10 ) ( 18 + 2 510 + 20 )
What are the missing side lengths for the triangle?
Answer:
[tex]BC=5\sqrt{2}[/tex], [tex]AC=5\sqrt{4}[/tex]
Step-by-step explanation:
In a 45-45-90 relation triangle the two shortest sides will have equal length, meaning:
[tex]BC=5\sqrt{2}[/tex]
To find the hypotenuse we must multiply the shortest side by [tex]\sqrt{2}[/tex], both sides are equal so it doesn't matter which we multiply.
[tex]AC=5\sqrt{2} \sqrt{2} \\AC=5\sqrt{4}[/tex]