Answer:
24 square miles
Step-by-step explanation:
6 miles × 4 miles= 24 square miles
what is the distance between 5,4 and -1,1
Answer:
3\(\sqrt{5}\)
Step-by-step explanation:
Calculate the distance d using the distance formula
d = \(\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }\)
with (x₁, y₁ ) = (5, 4) and (x₂, y₂ ) = (- 1, 1)
d = \(\sqrt{(-1-5)^2+(1-4)^2}\)
= \(\sqrt{(-6)^2+(-3)^2}\)
= \(\sqrt{36+9}\)
= \(\sqrt{45}\)
= 3\(\sqrt{5}\) ← exact value
≈ 6.71 ( to 2 dec. places )
Plz help meeeee ✌️✌️
Answer:
x= 130 degrees
Step-by-step explanation:
Answer:
Brainliest???
Step-by-step explanation:
Find the value of x.
105°
(10x – 5)
Answer:
525o • (2x - 1)
Step-by-step explanation:
How would you limit the domain to
make this function one to one?
f(x) = (x + 3)^2
Answer:
Domain would be x ≥ -3.
So enter -3.
Step-by-step explanation:
This is a parabola with line of symmetry x = -3.
When x has values like say -4 and -2, f(x) will have a value of 1 making the function many to one.
So, to make it one to one, x would have to be equal or greater than -3.
A function assigns values. The limit of the domain to make this function one to one is x≥3.
What is a Function?A function assigns the value of each element of one set to the other specific element of another set.
A one to one function is a function whose every input gives a distinct output. Now given the function is a quadratic function, therefore, the function will have the same output for multiple inputs.
Since the symmetrical axis for this function lies at x=-3, therefore, for the function to be one to one the domain of the function must be greater than or equal to 6.
Hence, the limit of the domain to make this function one to one is x≥3.
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What is the value of x in the equation 0.03x = 1.5?
Answer:
x = 50
Step-by-step explanation:
Divide each side by 0.03 to cancel out the 0.03 next to x. It should now look like this: x = 50I hope this helps!
Answer:
0.02
Step-by-step explanation:
Which ordered pair is a solution of the inequality y≤1/3x−6
The ordered pair of the inequality will be (9,-3).
What is inequality?The inequality expressions are the mathematical equations related by each other by using the signs of greater than or less than. All the variables and numbers can be used to make the equation of inequality.
Given that inequality is given as y ≤ 1/3x−6.
The ordered pair can be calculated as:-
y ≤ 1/3x−6
Substitute the value of x equal to 9 and get the value of y,
y ≤ 1/3(9) - 6
y ≤ 3 - 6
y ≤ -3
Hence, the ordered pair will be (9,-3).
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Use the image to complete the equation below
Answer:
DPB
Step-by-step explanation:
Verticle angles are congruent
m∠APC = m∠DPB
solve for xxx. reduce any fractions to lowest terms. don't round your answer, and don't use mixed fractions. 54x 64 \geq 49x 5954x 64≥49x 59
The inequality 54x/64 ≥ 49x/59 simplifies to x ≥ 0. Thus, the solution for x is greater than or equal to zero.
To solve the inequality 54x/64 ≥ 49x/59, we can begin by cross-multiplying:
(54x)(59) ≥ (49x)(64)
3186x ≥ 3136x
Next, we can subtract 3136x from both sides:
3186x - 3136x ≥ 0
50x ≥ 0
Finally, we divide both sides by 50:
x ≥ 0/50
x ≥ 0
Therefore, the solution to the inequality is x ≥ 0.
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Find the surface area of the figure below
Answer:
it would be 748 feet, sorry if im worng!
What are the possible values of x if 52 ÷ (|x|+8) = 4?
O {-21, 21}
O {-13, 13}
O {-11, 11}
O {-5,5}
Answer:
First, we can multiply both sides of the equation by the absolute value of x plus 8, to get rid of the fraction:
52 = 4(|x| + 8)
Now we can solve for the absolute value of x:
| x | + 8 = 13
| x | = 5
This means that x could be either positive 5 or negative 5. Therefore, the possible values of x are {-5, 5}.
So the answer is option D: {-5, 5}.
find the scale factor
Answer:
2 is ur answer.
hope it helps you.
Which relationships have the same constant of proportionality between yyy and xxx as the following table?
x y
4 32
7 56
8 64
Choose 3 answers:
a) 3y=24x
b) graph
c) graph
d) x y
2 16
3 24
6 48
e)
x y
5 30
9 72
10 8
According to the following table, the same constant of proportionality between yyy and xxx in the relation y=8x is.
The proportionality constant k is defined as k=y/x when y and x are two numbers that are directly proportional to one another. If you are aware of the proportionality constant, you can use the equation y=kx, where k is the proportionality constant you are interested in, to determine the direct link between x and y. As an example, we may write y = kx, where k is the proportionality constant, x is the quantity of gas in gallons, and y is the cost in dollars. In other words, the cost is directly related to the number of gallons pumped.
By calculating
32=4*8
56=7*8
64=8*8
Therefore, y=8x.
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rico tested 50 adults in an experimental group, to give a large enough ________ __________ to be accurate.
If I multiply a number L by another number M, I get 452,199. If I multiply L by the successor of M, I get 454,322. Find L x L.
plz tell the answer fast plz in is urgent :)
Step-by-step explanation:
L * M = 452,199
L * (M + 1) = 454,322
Therefore L * (M + 1) = L * M + L.
=> 454,322 = 452,199 + L, L = 2,123.
Hence L² = 2,123² = 4,507,129.
if 200 group rooms are reserved and only 160 are ultimately occupied, the pick-up rate is group of answer choices 60% 70% 80% 90%
The pick-up rate in this scenario would be 80%. This is calculated by dividing the number of rooms occupied (160) by the number of rooms reserved (200), and then multiplying by 100 to get a percentage. So, (160/200) x 100 = 80%. This means that 80% of the reserved rooms were ultimately occupied.
It's important to note that a pick-up rate of 80% is generally considered to be a good result in the hospitality industry. It indicates that the hotel was able to accurately predict the number of rooms that would be needed by the groups, and that the groups themselves followed through on their reservations. A lower pick-up rate could suggest that the hotel overestimated demand, or that some of the groups cancelled their bookings at the last minute. On the other hand, a higher pick-up rate could indicate that the hotel was too conservative in its initial estimates, or that some of the groups requested additional rooms after the initial reservation was made. Ultimately, the pick-up rate is a useful metric for assessing the accuracy of a hotel's forecasting and planning processes.
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if the value stated by a null hypothesis is ______ the confidence interval, then the decision would have likely been to retain the null hypothesis.
If the value stated by a null hypothesis is within the confidence interval, then the decision would have likely been to retain the null hypothesis.
In hypothesis testing, the null hypothesis represents the default assumption or the claim that there is no significant difference or relationship between variables. The confidence interval, on the other hand, provides a range of plausible values for the population parameter based on sample data. If the value stated by the null hypothesis falls within the confidence interval, it means that the null hypothesis value is considered plausible or consistent with the observed data.
In this case, there is insufficient evidence to reject the null hypothesis, and the decision would be to retain it. On the other hand, if the null hypothesis value is outside the confidence interval, it suggests that the null hypothesis is unlikely, and the decision would be to reject it in favor of an alternative hypothesis.
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In the scale used on a blueprint .1\4 inch represents 2 feet,on the blueprint what is the length of a room with an actual length of 20 feet?
Answer: The length of the room on blueprint = 10 feet.
Step-by-step explanation:
Given: On blueprint,
\(\dfrac14\) inch = 2 feet
i.e. 1 actual feet = \(2\times\dfrac 14 =\dfrac12\text{ inch}\)
If the actual length of 20 feet, the length of a room on blueprint = \(20\times\dfrac12\text{ feet}\)
= 10 feet.
Hence, the length of the room on blueprint = 10 feet.
Identify the side lengths of the following triangle.
A. 21, 21, 29.70
B. 21, 36.36, 42
c. 12.12, 21, 24.25
D. Not enough information
Answer:
Thus option B is correct...hope this helps:)
Find the reference angle for a rotation of 253º.
Given the angle:
253 degrees
Let's find the reference angle to the given angle for a rotation.
The given angle, 253 degrees, is in quadrant 3.
To find the reference angle of ang angle in quadrant 3, we have:
\(\theta_{ref}=\theta-180\)Hence, we have:
\(\begin{gathered} \theta_{ref}=253-180 \\ \\ \theta_{ref}=73^o \end{gathered}\)Therefore, the reference angle is 73 degrees.
ANSWER:
73°
Find the exact coordinates of the point at which the following curve is steepest: y = 50/1+ 6e^-2t for greaterthanorequalto 0
Since the exponential function is always positive, there is no solution for e^(-2t) = -1/6. This means that the derivative is never equal to zero, and there is no point of maximum steepness for this curve.
To find the point at which the curve is steepest, we need to find the maximum value of the derivative of the function. Let's start by finding the derivative of the given function:
y = 50 / (1 + 6e^(-2t))
To find the derivative, we can use the quotient rule:
y' = [50(0) - (1 + 6e^(-2t))(-12e^(-2t))]/(1 + 6e^(-2t))^2
Simplifying this expression, we get:
y' = (72e^(-2t))/(1 + 6e^(-2t))^2
To find the maximum point, we need to find the value of t for which the derivative is equal to 0. Setting y' = 0 and solving for t, we have:
(72e^(-2t))/(1 + 6e^(-2t))^2 = 0
Since the numerator cannot be zero, we focus on the denominator:
(1 + 6e^(-2t))^2 = 0
Taking the square root of both sides, we get:
1 + 6e^(-2t) = 0
Solving for e^(-2t), we have:
e^(-2t) = -1/6
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How hot is the air in the top (crown) of a hot air balloon? Information from Ballooning: The Complete Guide to Riding the Winds, by Wirth and Young (Random House), claims that the air in the crown should be an average of 100°C for a balloon to be in a state of equilibrium. However, the temperature does not need to be exactly 100°C. What is a reasonable and safe range of temperatures? This range may vary with the size and (decorative) shape of the balloon. All balloons have a temperature gauge in the crown. Suppose that 59 readings (for a balloon in equilibrium) gave a mean temperature of x = 97°C. For this balloon, ≈21°C.
ompute a 95% confidence interval for the average temperature at which this balloon will be in a steady-state equilibrium. (Round your answers to one decimal place.)
lower limit
°C
upper limit
°C
The 95% confidence interval for the average temperature at which this balloon will be in a steady-state equilibrium is (95.78°C, 98.22°C).
The 95% confidence interval (CI) for the mean temperature in the crown of the balloon is calculated as follows. We first assume that the population distribution is normal with a standard deviation (SD) of σ = 6°C as per the given data. We will then use the z-distribution to calculate the required confidence interval.
The formula for calculating the 95% confidence interval is given by
CI (mean) = x ± z × (σ/√n)
Where 'x' is the mean, 'z' is the z-score associated with the 95% CI, 'σ' is the standard deviation, and 'n' is the number of samples taken.
For the given data the confidence interval is calculated as:
CI (Mean) = 97 ± 1.96 × (6/√59)
CI (Mean) = 97 ± 1.22
Therefore, the 95% confidence interval for the average temperature at which this balloon will be in a steady-state equilibrium is (95.78°C, 98.22°C).
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According to AAA, 115.6 million Americans had plans to travel during the 2019 holiday season. In millions, how many of them planned to travel to the United States Midwest? Round your answer to two decimal places. Information: Usa-south- 32%Usa-west- 23%Usa-Midwest- 14%Usa- Northeast- 12% Mexico, central or South America- 11%Europe-6% Asia - 1% Other-1%
Number of Americans that had plans to travel to the United States Midwest = 16.18 millions
Explanation:Total number of Americans that had plans to travel during the 2019 holiday season = 115.6 millions
Percentage of Americans that had plans to travel to the United States Midwest = 14%
Number of Americans that had plans to travel to the United States Midwest = (14/100) x 115.6 millions
Number of Americans that had plans to travel to the United States Midwest = 0.14 x 115.6 millions
Number of Americans that had plans to travel to the United States Midwest = 16.18 millions
The Moon travels in its orbit at about 3,400 km/h. During a solar eclipse, its shadow sweeps at this speed from west to east. But, Earth rotates from west to east at about 1,670 km/h near the equator. What speed does the shadow really move across this part of Earth’s surface?
The speed at which the Moon's shadow moves across the Earth's surface near the equator during a solar eclipse is about 1,730 km/h. This can be calculated by taking the difference between the speed of the Moon's orbital motion (3,400 km/h) and the speed of the Earth's rotation at that point (1,670 km/h). the shadow moves at a speed of 1,730 km/h across the equatorial region of Earth's surface during a solar eclipse.
We need to consider the relative motion between the Moon's shadow and the Earth's surface. The Moon's shadow moves across the Earth's surface at the speed of the Moon's orbital motion, which is about 3,400 km/h. However, since the Earth is also rotating on its axis, the actual speed at which the shadow moves across a particular point on the Earth's surface is the difference between the speed of the Moon's shadow and the speed of the Earth's rotation at that point.
Near the equator, the speed of the Earth's rotation is about 1,670 km/h. Therefore, the speed at which the Moon's shadow moves across the surface of the Earth near the equator is the difference between 3,400 km/h and 1,670 km/h, which is approximately 1,730 km/h. The Moon's shadow moves from west to east at a speed of 3,400 km/h during a solar eclipse. This is the speed at which the Moon travels in its orbit. Earth rotates from west to east at a speed of 1,670 km/h near the equator. This means that, as the Moon's shadow is moving across Earth's surface, the Earth is also rotating in the same direction.
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What is the solution to the system of equations y 2 3x 3 and x =- 2?
The solution is y = -22/3 of the system of equations.
Now, According to the question:
Linear equations in two variables are the algebraic equations which are of the form y = mx + b, where m is the slope and b is the y-intercept.
They are the equations of the first order.
Given, y = (2/3)x + 3x
x = -2
We have to find the solution to the given system of equations.
Put x = -2 to find the value of y
y = (2/3)(-2) + 3(-2)
By further calculation
= (-4/3) - 6
By taking LCM
= (-4 - 18)/3
So we get
= -22/3
Therefore, the solution is y = -22/3
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The complete question is this:
What is the solution to the system of equations? y = 2/3 x + 3x, x = -2
ASAPPPP HELPPPP PLEASEEEE
Answer:
27.6
Step-by-step explanation:
sin29=x/57
0.48480962=x/57
x≈27.6
Graph the solution set of the inequality and write the solution using interval notation. Please give me a step by step explanation.
We have the inequality:
-4 < (3x - 2)/5 ≤ 6
We multiply all the sides by 5:
-4*5 < 5*(3x - 2)/5 ≤ 6*5
-20 < 3x - 2 ≤ 30
Now, we add 2 to all the sides of the inequality:
-20 + 2 < 3x - 2 + 2 ≤ 30 + 2
-18 < 3x ≤ 32
Finally, we divide by 3:
-18/3 < 3x/3 ≤ 32/3
-6 < x < 32/3
Now, using interval notation:
x = (-6, 32/3]
This means that x takes all the values greater than -6 and less or equal to 32/3. Graphically, this is:
Which of the following statements about the graph of f(x) = (2.25)^x shown above are true? Select all that apply.
The true statements are:
The range of the function is the set of all real numbers \(\ge 0\)The graph of the function will never intersect with the x-axisThe EquationThe equation of the function is given as:
\(y = (2.25)^x\)
Exponential functionAn exponential function is represented as:
\(y = ab^x\)
This means that, the equation \(y = (2.25)^x\) represents an exponential function, and not a quadratic function
The output values of an exponential function will never be negative, and the graph will never cross the x-axis
Hence, the true statements are (d) and (e)
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help Kyle trying to explain to her friend why the placement of an ange and the concept of rigid motions can be used in determining triangle congruence. She illustrates the SAS triangle corerence and the SSA possibility as shown in the diagram with two pairs of triangles. What do you think Kyle said to her friend about the placement of angles and about the relationship between the triangle pairs in terms of rigid motions? Using Kyle's illustration, write an argument for why the placement of the anges and the concept of rigid motions in proving triangle congruence can be critical A E E
Angle b = 31
b=8
c=13
not 100% sure
Graph the Equation 3x – 2y = -6 over the range x = -10 to x = 10. = 2) Use the Graphical method to solve the following pair of equations. 10x = 5y -3x + y = 1
Graphing the equation 3x - 2y = -6 over the range x = -10 to x = 10:
To graph the equation 3x - 2y = -6, we need to rearrange it in the form y = mx + b, where m is the slope and b is the y-intercept.
3x - 2y = -6
-2y = -3x - 6
Divide both sides by -2:
y = (3/2)x + 3
Now we have the equation in slope-intercept form.
To graph the equation, we can plot a few points and draw a line through them. Let's choose some x-values from the range -10 to 10 and find the corresponding y-values.
For x = -10:
y = (3/2)(-10) + 3
y = -15 + 3
y = -12
For x = 0:
y = (3/2)(0) + 3
y = 0 + 3
y = 3
For x = 10:
y = (3/2)(10) + 3
y = 15 + 3
y = 18
Plotting these points (-10, -12), (0, 3), and (10, 18) on the graph and drawing a line through them, we get the graph of the equation 3x - 2y = -6.
Using the graphical method to solve the pair of equations:
The given equations are:
10x = 5y
-3x + y = 1
To solve these equations graphically, we need to plot their graphs on the same coordinate plane and find the point where they intersect, which represents the solution.
Rearranging the second equation in slope-intercept form:
y = 3x + 1
Now we have the equations in the form y = mx + b.
Plotting the graphs of the equations 10x = 5y and y = 3x + 1, we can find the point of intersection, which represents the solution to the system of equations.
The point of intersection is the solution to the system of equations.
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3^2 x 3^x = 3^7 what is the value of x?
..i think it should be _5
Step-by-step explanation:
this is the correct answer