Answer:
72π
Step-by-step explanation:
Area = (π)(12²)(180/360) = 72π
simplify √([2m5z6]/[ xy])
The simplified form of √([2m5z6]/[xy]) is (√2m√5z√6) / (√x√y).
To simplify the expression √([2m5z6]/[xy]), we can break it down step by step:
Simplify the numerator:
√(2m5z6) = √(2) * √(m) * √(5) * √(z) * √(6)
= √2m√5z√6
Simplify the denominator:
√(xy) = √(x) * √(y)
Combine the numerator and denominator:
√([2m5z6]/[xy]) = (√2m√5z√6) / (√x√y)
Thus, the simplified form of √([2m5z6]/[xy]) is (√2m√5z√6) / (√x√y).
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If p= -8.4 and q= 3.2 find r when r = 8.4q-p
\(\displaystyle\bf\\If~p=-8.4~and~q=3.2~find~r~when~r= 8.4q-p\\\\Solution: \\\\r= 8.4q-p=\\\\= 8.4\times3.2-(-8.4)=\\\\= 8.4\times3.2+8.4=\\\\= 26.88+8.4=35.28\\\\\boxed{\bf r=35.28}\)
Mariana and her best friend are attending a concert in a large auditorium. They just climbed up 125 steps. The number of steps they climbed can be represented by
zero
positive
negative
The number of steps they climbed can be represented by positive
How to represent the number of steps?From the question, we understand that they climbed up
Upward movements are usually represented by the positive sign
This means that:
Steps = 125 or +125
Hence, the number of steps they climbed can be represented by positive
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Given positive integers $x$ and $y$ such that $2x^2y^3 + 4y^3 = 149 + 3x^2$, what is the value of $x + y$?
Answer:
5
Step-by-step explanation:
2x²y³ + 4y³ = 149 + 3x²
\( 2x^2y^3 - 3x^2 = 149 - 4y^3 \)
\( x^2(2y^3 - 3) = 149 - 4y^3 \)
\( x^2 = \dfrac{149 - 4y^3}{2y^3 - 3} \)
\( x = \pm \sqrt{\dfrac{149 - 4y^3}{2y^3 - 3}} \)
Try y = 1
\(x = \pm \sqrt{\dfrac{149 - 4(1)}{2(1)^3 - 3}} = \pm \sqrt{-145} = i\sqrt{145}\)
For y = 1, x is imaginary.
Try y = 2
\( x = \pm \sqrt{\dfrac{149 - 4(2)^3}{2(2)^3 - 3}} = \pm \sqrt{9} = \pm 3\)
Since x and y are positive integers, ignore x = -3.
When x = 3, y = 2.
x + y = 3 + 2 = 5
The value of x + y is 5.
What is Polynomial?Polynomials are expressions which consist of variables, constants, coefficients and exponents.
We have the equation,
2x²y³ + 4y³ = 149 + 3x²
2x²y³ - 3x² = 149 - 4y³
x² (2y³ - 3) = 149 - 4y³
x² = (149 - 4y³) / (2y³ - 3)
x = √[(149 - 4y³) / (2y³ - 3)]
Now, we have to find two positive integers.
We can use trial and error method here.
Trial putting y = 1.
x = √[(149 - 4 × 1³) / (2 × 1³ - 3)]
= √[145 / (-1)]
= √(-145)
There is no real root for √(-145). So y = 1 is not applicable.
Trial putting y = 2.
x = √[(149 - 4 × 2³) / (2 × 2³ - 3)]
= √[117 / 13]
= √(9)
= ± 3
But we need positive integers. So we ignore -3.
So x = 3 and y = 2 ⇒ x + y = 5
Hence x + y = 5.
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In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 120 dogs. How many cats are there?
Solve for x: 5x + one third(3x + 6) > 14 x > twelve fifths x > 2 x < twelve fifths x < 2
The solution of x in the inequality is x > 2
How to solve for x in the inequality?The inequality is given as:
5x + one third(3x + 6) > 14
Rewrite properly as:
5x + 1/3(3x + 6) > 14
Open the brackets
5x + x + 2 > 14
Subtract 2 from both sides of the inequality
5x + x + 2 - 2> 14 - 2
Evaluate the difference
5x + x > 12
Evaluate the like terms
6x > 12
Divide both sides of the inequality by 2
x > 2
Hence, the solution of x in the inequality is x > 2
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Answer:
x > 2, like the other guy said
Step-by-step explanation:
I hope this helps
During halftime of a basketball game, a sling shot launches T-shirts at the crowd. A T shirt is launched from a heigh of 4 feet with an initial upward velocity of 72 feet per second. Use the equation h(t)= -16t^2+72t+4, where t is time in seconds and h(t) is height. How long will it take the T shirt to reach its maximum height? What is the maximum height?
During halftime of a basketball game, a slingshot launches T-shirts at the crowd.
it takes the T-shirt 9/4 secondsThe maximum height of the T-shirt is 77 feet.What is the maximum height?
Generally, To find the time it takes the T-shirt to reach its maximum height, we need to find the time when the height of the T-shirt stops increasing and starts decreasing. At this point, the velocity of the T-shirt will be 0, since it is not moving up or down.
The velocity of the T-shirt at any time t can be found by taking the derivative of the equation for height:
v(t) = dh/dt = -32t + 72
Setting the velocity to 0 and solving for t, we get:
0 = -32t + 72 32t = 72 t = 72/32 t = 9/4
So it takes the T-shirt 9/4 seconds, or approximately 2.25 seconds, to reach its maximum height.
To find the maximum height, we plug this value back into the equation for height:
h(t) = -16(9/4)^2 + 72(9/4) + 4 h(t) = -81 + 162 + 4 h(t) = 77
The maximum height of the T-shirt is 77 feet.
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y^-10simplify this expression
Given:
\(\text{ y}^{-10}\)Let's again recall the rule: The negative exponent in the numerator rule tells us that a number with a negative exponent should be put to the denominator, and vice versa.
In other worths, if the exponent of a number or variable is negative, we should reciprocate it and remove the negative sign.
We get,
\(\text{ y}^{-10}\text{ = }\frac{1}{y^{10}}\)Therefore, the answer is:
\(\text{ }\frac{1}{y^{10}}\)what is 67.13 squared?
Answer:
4506.4369
Step-by-step explanation:
welcome
Given rhombus ABCD, find the area if mZABC = 60° and AE = 2.
The area of the rhombus, obtained from the dimensions, of the diagonals, found from the trigonometric of sines of the angle can be presented as follows;
Area = 8·√3
What is the area of a plane figure?The area of a plane figure is the two dimensional space occupied by the figure on a plane.
The measure of the angle ABC, m∠ABC = 60°
The length of the segment AE = 2 units
The diagonals of a rhombus bisect each other at right angles, and the right angles through which they pass, therefore;
BE = ED, m∠AEB = 90°
m∠ABE = 30°
sin(30°) = AE/AB
sin(30°) = 2/AB
AB = 2/(sin(30°)) = 4
AB = 4
BE = √(4² - 2²) = √(12) = 2·√3
Therefore; AC = 2 + 2 = 4
BD = 2·√3 + 2·√3 = 4·√3
The area of a rhombus = (1/2) × The product of the length of the diagonals
Therefore;
Area of the rhombus = (1/2) × (4·√3) × 4 = 8·√3
The area of the rhombus = 8·√3
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4. Hydrocarbons in the cab of an automobile were measured during trips on the New Jersey Turnpike and trips through the Lincoln Tunnel connecting New York and New Jersey. The concentrations (± standard deviations) of m- and p-xylene were: Turnpike: 31.4 ± 30.0 g/m3 (32 measurements) Tunnel: 52.9 ± 29.8 g/m3 (32 measurements) Do these results differ at the 95% confidence level?
Answer:
No these these result do not differ at 95% confidence level
Step-by-step explanation:
From the question we are told that
The first concentrations is \(c _1= 30.0 \ g/m^3\)
The second concentrations is \(c _2 = 52.9 \ g/m^3\)
The first sample size is \(n_1 = 32\)
The second sample size is \(n_2 = 32\)
The first standard deviation is \(\sigma_1 = 30.0 \)
The first standard deviation is \(\sigma_1 = 29.0 \)
The mean for Turnpike is \(\= x _1 = \frac{c_1}{n} = \frac{31.4}{32} = 0.98125\)
The mean for Tunnel is \(\= x _2 = \frac{c_2}{n} = \frac{52.9}{32} = 1.6531\)
The null hypothesis is \(H_o : \mu _1 - \mu_2 = 0\)
The alternative hypothesis is \(H_a : \mu _1 - \mu_2 \ne 0\)
Generally the test statistics is mathematically represented as
\(t = \frac{\= x_1 - \= x_2}{ \sqrt{\frac{\sigma_1^2}{n_1} +\frac{\sigma_2^2}{n_2} }}\)
\(t = \frac{0.98125 - 1.6531}{ \sqrt{\frac{30^2}{32} +\frac{29^2}{32} }}\)
\(t = - 0.0899\)
Generally the degree of freedom is mathematically represented as
\(df = 32+ 32 - 2\)
\(df = 62\)
The significance \(\alpha\) is evaluated as
\(\alpha = (C - 100 )\%\)
=> \(\alpha = (95 - 100 )\%\)
=> \(\alpha =0.05\)
The critical value is evaluated as
\(t_c = 2 * t_{0.05 , 62}\)
From the student t- distribution table
\(t_{0.05, 62} = 1.67\)
So
\(t_c = 2 * 1.67\)
=> \(t_c = 3.34\)
given that
\(t_c > t\) we fail to reject the null hypothesis so this mean that the result do not differ
A field hockey field is rectangular. Its width is 54.88 meters, and its perimeter is 289.76 meters. Find the length of the field.
Answer:
90 PLEASE MARK ME BRAINLLIEST
Step-by-step explanation:
289.76-54.88-54.88=180/2=90
Perimeter is the sum of the length of the sides used to make the given figure. The length of the field is 90 meters.
What is the perimeter?Perimeter is the sum of the length of the sides used to make the given figure.
Given that the width of the field is 54.88 meters and the perimeter of the field is 289.76 meters. Therefore, we can write the perimeter as,
Perimeter = 2(Length + Width)
289.76 meters = 2(Length + 54.88 meters)
289.76meters / 2 = Length + 54.88 meters
144.88metes = Length + 54.88 meters
Length = 144.88 meters - 54.88 meters
Length = 90 meters
Hence, the length of the field is 90 meters.
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pls help a washer and a dryer cost $649 combined.The washer costs $51 less than the dryer.What is the cost of the dryer?
Given in the question:
a.) A washer and a dryer cost $649 combined.
b.) The washer costs $51 less than the dryer.
From the given description, let's transform them into an equation.
Let,
x = Cost of washer
y = Cost of dryer
a.) A washer and a dryer cost $649 combined.
\(\text{ x + y = \$649}\)b.) The washer costs $51 less than the dryer.
\(\text{ x = y - \$51}\)From the generated equation, substitute x = y - $51 to x + y = $649.
We get,
\(\text{ x + y = \$649}\)\(\text{ (y - \$51) + y = \$649}\)\(\text{ y - \$51 + y = \$649}\)\(\text{ 2y = \$649 + \$51}\)\(\text{ 2y = \$7}00\)\(\text{ }\frac{\text{2y}}{2}\text{ = }\frac{\text{\$7}00}{2}\)\(\text{ y = \$350}\)Therefore, the cost of the dryer is $350.
Let's find the cost of the washer.
\(\text{ x = y - \$51}\)\(\text{ x = \$350 - \$51}\)\(\text{ x = \$}299\)Therefore, the cost of the washer is $299.
3. You have a yard that has a width of 5 yd 1 ft and a
length of 30 ft. Find the simplified ratio of the width
to the length:
Answer:
5:47
Step-by-step explanation:
Select the correct answer.
What is the general form of the equation of a circle with center at (a, b) and radius of length m?
A. x^2 + y^2 - 2ax - 2by + (a^2 + b^2 - m^2) = 0
B. x^2 + y^2 + 2ax + 2by + (a^2 + b^2 - m^2) = 0
C. x^2 + y^2 - 2ax - 2by + (a + b - m^2) = 0
D. x^2 + y^2 + 2ax + 2by + a^2 + b^2 = -m^2
What is SEGA's Audience? (will give BRAINLIEST)
Children, Young adults, adults, men, women?
in my opinion audience means young adult
Step-by-step explanation:
It may help you
PLS HURRY I AM GIVING BRAINLIEST!!!
the question is in the photo!!
Jordan spend 25 minutes writing each dayNoHow much time does Jordan spend writing each dayFrom the question, we have the following parameters that can be used in our computation:D + W = 75W + 25 = DSo, we haveW + W + 25 = 75EvaluateW = 25This means that Jordan spends 25 minutes on writing is it possible?Based on the answer in (a), the truth statement is No
Use the ALEKS calculator to evaluate each expression.
Round your answers to the nearest thousandth.
Do not round any intermediate computations.
log√7 =
Log 23/6=
Exponential growth is a type of growth that occurs when the rate of increase is proportional to the current amount.
Logarithmic evaluationLog√7 = 1.659Log 23/6 = 0.862It is a rapid increase in the quantity of something over a period of time. Exponential growth can be seen in populations, investments, and other areas.It is characterized by a doubling or tripling of the original amount within a specified period of time.This type of growth is often caused by compounding, where gains from one period are reinvested in the next period, leading to a rapid increase in the overall amount.Exponential growth is often seen in the early stage of a business, when it is experiencing rapid growth due to investments or other factors.However, exponential growth can also lead to rapid decline if not managed properly.This is called logarithmic evaluation, which involves using logarithms to simplify complex expressions.To learn more about logarithmic evaluation refer to:
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Determine the general solution of 5 tan 0-6 cos 0 = 0
The general solution for the equation 5tan(θ) - 6cos(θ) = 0 is:
θ = sin⁻¹(2/3) + nπ, where n is an integer.
To determine the general solution of the trigonometric equation 5tan(θ) - 6cos(θ) = 0, we can use algebraic manipulation and trigonometric identities to simplify and solve for θ.
Starting with the given equation:
5tan(θ) - 6cos(θ) = 0
First, we can rewrite the tangent function in terms of sine and cosine:
5(sin(θ)/cos(θ)) - 6cos(θ) = 0
Next, multiply through by cos(θ) to eliminate the denominator:
5sin(θ) - 6cos²(θ) = 0
Using the identity sin²(θ) + cos²(θ) = 1, we can express cos²(θ) as 1 - sin²(θ):
5sin(θ) - 6(1 - sin²(θ)) = 0
Expanding and rearranging terms:
5sin(θ) - 6 + 6sin²(θ) = 0
Rearranging the equation:
6sin²(θ) + 5sin(θ) - 6 = 0
Now, we have a quadratic equation in terms of sin(θ).
We can solve this quadratic equation by factoring or using the quadratic formula.
However, since this equation is not easily factorable, we will use the quadratic formula:
sin(θ) = (-b ± √(b² - 4ac)) / 2a
For our equation:
a = 6, b = 5, c = -6
Plugging these values into the quadratic formula and simplifying, we get:
sin(θ) = (-5 ± √(5² - 4(6)(-6))) / (2(6))
sin(θ) = (-5 ± √(25 + 144)) / 12
sin(θ) = (-5 ± √169) / 12
sin(θ) = (-5 ± 13) / 12.
This gives us two possible solutions for sin(θ):
sin(θ) = (13 - 5) / 12 = 8/12 = 2/3
sin(θ) = (-13 - 5) / 12 = -18/12 = -3/2
Since the range of the sine function is -1 to 1, the second solution (-3/2) is not valid.
Now, to find the values of θ, we can use the inverse sine function (sin⁻¹) to solve for θ:
θ = sin⁻¹(2/3)
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Alex has a bag of marbles. 3 are blue, 5 are red, 12 are green, and 8 are purple. What is the probability of drawing 3 purple marbles in a row without replacement?
Among all pairs of numbers whose sum is 24, find a pair whose product is as large as possible. Show the work(the steps)! Write an equation of the corresponding quadratic function. How parabola opens? What is the maximum product? Does this function has a maximum value or the minimum value? Explain. Graph the function and upload the image.
The pair of numbers that yields the maximum product when their sum is 24 is (12, 12), and the maximum product is 144. The corresponding quadratic function is P(x) = -x^2 + 24x, and the parabola opens downwards.
To find a pair of numbers whose sum is 24 and whose product is as large as possible, we can use the concept of maximizing a quadratic function.
Let's denote the two numbers as x and y. We know that x + y = 24. We want to maximize the product xy.
To solve this problem, we can rewrite the equation x + y = 24 as y = 24 - x. Now we can express the product xy in terms of a single variable, x:
P(x) = x(24 - x)
This equation represents a quadratic function. To find the maximum value of the product, we need to determine the vertex of the parabola.
The quadratic function can be rewritten as P(x) = -x^2 + 24x. We recognize that the coefficient of x^2 is negative, which means the parabola opens downwards.
To find the vertex of the parabola, we can use the formula x = -b / (2a), where a = -1 and b = 24. Plugging in these values, we get x = -24 / (2 * -1) = 12.
Substituting the value of x into the equation y = 24 - x, we find y = 24 - 12 = 12.
So the pair of numbers that yields the maximum product is (12, 12). The maximum product is obtained by evaluating the quadratic function at the vertex: P(12) = 12(24 - 12) = 12(12) = 144.
Therefore, the maximum product is 144. This quadratic function has a maximum value because the parabola opens downwards.
To graph the function, you can plot several points and connect them to form a parabolic shape. Here is an uploaded image of the graph of the quadratic function: [Image: Parabola Graph]
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You deposit $2,000 in an account earning 3% interest compounded monthly.
a. How much will you have in the account in 20 years?
b. How much interest will you earn?
\(~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$2000\\ r=rate\to 3\%\to \frac{3}{100}\dotfill &0.03\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &20 \end{cases}\)
\(A = 2000\left(1+\frac{0.03}{12}\right)^{12\cdot 20}\implies A=2000(1.0025)^{240} \implies \boxed{A \approx 3641.51} \\\\\\ 3641.51~~ - ~~2000~~ \approx~~ \stackrel{earned~interest}{\boxed{1641.51}}\)
help me pleaseeee. due todayyy
Answer:
1.5
Step-by-step explanation:
The scale factor can be found by dividing the side length from triangle ABC by the corresponding side length from triangle ABC
so the scale factor would be equal to
12/8 and 9/6
9/6 = 1.5
12/8 =1.5
so we can conclude that the scale factor is 1.5
Paula has 5 dimes, 2 pennies, and 3 nickels in her pocket. Without looking, she selects 2 coins in a row. What is the probability that the first coin is a dime and the second coin is a penny?
Answer:
Step-by-step explanation:
She has 5 dimes, 2 pennies, and 3 nickels in her pocket.
So 5+2+3 = 10 coins total.
For the first coin is a dime, the probability = number of dimes/total number of coins
= 5/10
= 1/2
After that, 9 coins are left with 4 dimes, 2 pennies and 3 nickels.
For the second coin is a penny, the probability = number of penny / total number of coins
= 2/9
Combining the above, probability that the first coin is a dime and the second coin is a penny
= 1/2 * 2/9
= 1/9
What does the 3 in this equation mean or represent? 5n + 3
Answer:
i think sequence bye 4567890
I don't know if you have any questions
Find g(x), where g(x) is the translation 2 units left and 4 units down of f(x)=x^2.
Write your answer in the form a(x–h)^2+k, where a, h, and k are integers.
g(x) =
The function g(x) in the form a(x-h)^2 + k is: \(g(x) = (x + 2)^2 - 4\)
Starting with\(f(x) = x^2\), the translation 2 units left and 4 units down would result in the following transformation:
g(x) = f(x + 2) - 4
Substituting\(f(x) = x^2:\)
\(g(x) = (x + 2)^2 - 4\)
Expanding the square:
\(g(x) = x^2 + 4x + 4 - 4\)
Simplifying:
\(g(x) = x^2 + 4x\)
Now we need to rewrite this expression in the form \(a(x-h)^2 + k.\) To do this, we will complete the square:
\(g(x) = x^2 + 4x\\g(x) = (x^2 + 4x + 4) - 4\\g(x) = (x + 2)^2 - 4\)
Therefore, the function g(x) in the form a(x-h)^2 + k is:
\(g(x) = (x + 2)^2 - 4\)
Where a = 1, h = -2, and k = -4.
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y=2/5xt 10 the rate of change and y intercept
Answer:
Below
Step-by-step explanation:
Rate of change (aka the slope) = 2/5
Y Intercept = 10
A one to one function is given. Write an equation for the inverse function
M(x)=4x^3-3
Step-by-step explanation:
M(x) = 4x^3 - 3
let M(x) = Y
Y = 4x^3 - 3...swap places of x & y.
X = 4y^3 - 3
look for x in terms of y.
4y^3 = x + 3
Y^3 = x + 3 / 4...put both sides under cube root.
y = ( x + 3 / 4 )^1/3
Which equation represents the table of values (help for brainiest and 200+)
Answer: C)
Step-by-step explanation:
If you subtract .5 to y you get x
Answer:
the answer is B put the point 1 in the equation you will get 0 hence proved
Please help. The question is in the attached image
∠G+∠H+∠J=180 and ∠K+∠L+∠M=180 from the angle sum property of triangle, ∠H=∠L (3rd Angle Theorem) and ∆GHJ≅∆KLM from ASA congruency theorem.
In the given question we have to prove ∆GHJ congrurnce ∆KLM.
Given that: ∠G≅∠K, ∠J≅∠M, \(\over{HJ}\) ≅ \(\over{LM}\).
As given that;
∠G≅∠K
∠J≅∠M
\(\over{HJ}\) ≅ \(\over{LM}\)
So from the angle sum property of triangle
∠G+∠H+∠J=180................(1)
∠K+∠L+∠M=180.................(2)
Now equation equation 1 and 2
∠G+∠H+∠J=∠K+∠L+∠M
As we know that ∠G=∠K, ∠J=∠M
So now the expression is
∠G+∠H+∠J=∠G+∠L+∠J
After solving ∠H=∠L (3rd Angle Theorem)
Since, ∠H=∠L, HJ=LM and ∠G=∠K, so from the theorem Angle Side Angle(ASA) congruency,
∆GHJ≅∆KLM
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