Answer:
Tree farm A mean = 8
Tree farm B mean = 8
Tree farm B
Step-by-step explanation:
Average the numbers
Someone help me?????
Answer:
A. y = | x - 6 | - 3
Step-by-step explanation:
Hope this is helpful
Answer:
D
Step-by-step explanation:
when you look at the graph you can notice a kind of a curve at that point x is -6 and Y is -3 so what u have to do is replace -6 in position of x in the 4 answers and the one who's Y = -3 is your answer
Five rays share a common endpoint. Set up an equation to find the value of x.
The equation that can be set up is, 2x° + 3x° + 36.5° + 36.5° + 2x° = 360°.
The value of x is: x = 41.
What are Angles around a Point?Angles that are formed around an endpoint but several rays will have a sum of 360 degrees when each of the angles formed around the endpoint is added together.
The diagram shows the angles that are formed by the five rays at a common endpoint. The angles are, 2x°, 3x°, 36.5°, 36.5°, and 2x°.
The sum of all these angles formed will give us 360 degrees. Therefore, the equation that would be created to find the value of x would be written as:
2x° + 3x° + 36.5° + 36.5° + 2x° = 360° [equation set up to find x]
Combine like terms
7x° + 73° = 360°
Subtract 73 from each side
7x° + 73° - 73° = 360° - 73° [subtraction property of equality]
7x = 287
Divide both sides by 7:
7x/7 = 287/7 [division property of equality]
x = 41
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the cost of kens car wash was $23.95. if he wants to givve his detailer a 15% tip,about how much of a tip should he leave
Ken should leave a $3.59 tip.
We will discuss algebra, a branch of mathematics that deals with symbols and the rules for manipulating them, in the context of algebra word problem worksheets.
They represent variables or quantities without set values. Our abilities to construct and solve equations must be combined in order to solve algebraic word problems.
It is crucial to start by converting verbal descriptions into algebraic formulas before tackling word issues.
To find the amount of tip he should give, we note that 15% is equal to 0.15 as a decimal.
23.95 * 0.15= 3.5925≈3.59 (approximately)
Therefore, Ken should leave a $3.59 tip.
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consider any two numbers a, b with a < b. if x is the uniform distribution on the interval [a, b], what is the variance of x?
The variance over an interval for a uniform distribution is
V(X) = ( b - a )²/ 12
Here,
a and b are intervals .
By the definition of the variance, V(X) = E[X2] − (EX)2.
On solving ,
V(X)
=(a²+ab+b²)/3−(a²+2ab+b²)/4
=(a²−2ab+b²)/12
=( b - a )²/ 12
A continuous probability distribution is a Uniform distribution and is related to the events which are equally likely to occur. It is defined by two parameters, x and y, where x = minimum value and y = maximum value. It is generally denoted by u(x, y).
A two-parameter family of curves known as the uniform distribution (sometimes known as the rectangle distribution) is famous for having a constant probability distribution function (pdf) between its two bounding parameters.
For values tabulated to a specific number of decimal places, this distribution is suitable for illustrating the distribution of round-off mistakes. Techniques for generating random numbers , like the inversion method, use the uniform distribution.
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Item 2
A certain brand of crackers costs $2. 89 for 12. 4 ounces.
What is the unit rate?
Enter your answer, rounded to the nearest cent,
the unit rate of the crackers will be $0.233.
What is Rate?
A rate in arithmetic is a ratio that contrasts two separate values with various unit systems. For instance, if John types 50 words per minute, that means he types 50 words per minute. We are dealing with a rate because the word "per" is there. The symbol "/" can be used in place of the word "per" in issues.
When two or more similar amounts or numbers are being compared using the same units, a ratio is utilized. When referring to the ratio of one quantity "to" the second quantity in spoken language, it is frequently written with a colon.
A certain brand of crackers costs $2. 89 for 12. 4 ounces.
So per 1 ounce it will cost = 2.89/12.4 = 0.233
Hence the unit rate of the crackers will be $0.233.
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Otto used 6 cups of whole wheat flour and x cups of white flour in the recipe. What is the equation that can be used to find the value of y, the total amount of flour that Otto used in the recipe, and what are the constraints on the values of x and y?
y=6x; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 6.
y=6x; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 6.
y=x+6; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 6.
y=x+6; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 6.
Answer:
y=x+6; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 6.
Step-by-step explanation:
Answer:
Its D
Step-by-step explanation:
y=x+6; x is any real number greater than or equal to 0, and y is any real number greater than or equal to 6.
Find the x- and y-intercepts of the graph of the linear equation 3/4 + x = 1/2y
For given linear equation 3/4 + x = 1/2y,
x - intercept = -3/4
y-intercept = 3/2
In this question we have been given a linear equation 3/4 + x = 1/2y
We need to find the x- and y-intercepts.
To find the y-intercept substitute x = 0 in given equation.
3/4 + (0) = 1/2y
3/4 = 1/2y
y = 2 × (3/4)
y = 3/2
To find the x-intercept substitute y = 0 in given equation.
3/4 + x = 0
x = -3/4
Therefore, for given linear equation 3/4 + x = 1/2y,
x - intercept = -3/4
y-intercept = 3/2
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The question is in the picture
Answer:
the last answer
Step-by-step explanation:
Please help me with these.
PAGE 1
1.) 5 x 7 + 5 x 3 = 50
2.) 3 x 3 + 3 x 4 = 21
3.) 2 x 8 + 2 x 8 = 32
4.) 6 x 8 - 6 x 5 = 18
5.) -3 x 9 - (-3) x 2 = (-21)
6.) -2 x 8 - (-2) x 4 = (-8)
PAGE 2
1.) 2 x 3 + X
2.) 5 x 6 + Y
3.) 7 x 8 + Y
4.) 9 x 2 - M
5.) 15 x 3 - S
6.) -15 x 6 - A
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The center of a circle is at (10, -4) and its radius is 11.
What is the equation of the circle?
(x-10)² + (y + 4)² = 11
O (x-10)² + (y + 4)² = 121
(x + 10)² + (y - 4)² = 11
O (x + 10)² + (y - 4)² = 121
Answer:
(x - 10)² + (y + 4)² = 121
Step-by-step explanation:
the equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k ) are the coordinates of the centre and r is the radius
here (h, k ) = (10, - 4 ) and r = 11 , then
(x - 10)² + (y - (- 4) )² = 11² , that is
(x - 10)² + (y + 4)² = 121
What is the volume of this figure?
The volume of figure composed of two cuboids is found as 186 sq. m.
Define the term volume of the cuboid?The product of a cuboid's base area plus height determines its volume. Because of this, we may write: Volume of cuboid = Base area Height [Cubic units]. The cuboid's base is shaped like a rectangle. As a result, a cuboid's base area is determined by multiplying its length by its breadth.For the given figure:
Let the figure composed of two cuboids.
Dimension of bottom cuboid:
Length L = 10 mWidth w = 3 mHeight h = 5 mVolume of bottom cuboid = L*w*h
V (bottom) = 10*3*5 = 150 sq. m.
Dimension of top cuboid:
Length L = 4 mWidth w = 3 mHeight h = 3 mVolume of top cuboid = L*w*h
V (top) = 4*3*3 = 36 sq. m.
Volume of figure = V (bottom) + V (top)
= 150 sq. m. + 36 sq. m.
Volume of figure = 186 sq. m.
Thus, the volume of figure composed of two cuboids is found as 186 sq. m.
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12. the ratio of the measures of the sides of a quadrilateral is 2:3:5:7. if the perimeter is 68, find the length of each side
The lengths of the sides of the quadrilateral are 8, 12, 20, and 28.
The given problem involves finding the lengths of the sides of a quadrilateral with a given ratio and a known perimeter.
The ratio of the measures of the sides of the quadrilateral is given as 2:3:5:7. This means that the lengths of the sides can be represented as 2x, 3x, 5x, and 7x, where x is a constant.
The perimeter of the quadrilateral is given as 68. The perimeter of a quadrilateral is the sum of the lengths of all its sides. Therefore, we can set up the following equation to find x:
2x + 3x + 5x + 7x = 68
Combining like terms, we get:
17x = 68
To solve for x, we divide both sides of the equation by 17:
x = 68/17
Simplifying, we find that x = 4.
Now that we know the value of x, we can find the lengths of the sides of the quadrilateral:
The length of the first side is 2x = 2 * 4 = 8.
The length of the second side is 3x = 3 * 4 = 12.
The length of the third side is 5x = 5 * 4 = 20.
The length of the fourth side is 7x = 7 * 4 = 28.
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Solve the simultaneous equations
2x - y = 6
3x + y = 14
Answer:
x = 4
y = 2
Explanation:
2(4) = 8 - 2 = 6
3(4) = 12 + 2 = 14
DESMO! PLS SOLVE THIS QUESTION I WILL MAKE U BRAiNLIST
We are given two linear equations:
A: -2x - 9y = -25
B: -4x - 9y = -23
We can solve for one variable in terms of the other and substitute the expression into the other equation to solve for the remaining variable. Here, we will solve for y:
From equation A:
-2x - 9y = -25
-9y = 2x - 25
y = (2/9)x - 25/9
Substitute this expression for y into equation B:
-4x - 9y = -23
-4x - 9((2/9)x - 25/9) = -23
-4x - 2x + 25 = -23
-6x = -48
x = 8
Now substitute this value of x into either equation A or B to solve for y. We will use equation A:
-2x - 9y = -25
-2(8) - 9y = -25
-16 - 9y = -25
-9y = -9
y = 1
Therefore, the solution to the system of equations is (x, y) = (8, 1).
Answer:
x = -1 and y = 3.
Step-by-step explanation:
Let's solve your system by elimination.
−2x−9y=−25;−4x−9y=−23
Multiply the second equation by -1, then add the equations together.
(−2x−9y=−25)
−1(−4x−9y=−23)
Becomes:
−2x−9y=−25
4x+9y=23
Add these equations to eliminate y:
2x=−2
Then solve 2x=−2for x:
2x=−2
x = -1
Now that we've found x let's plug it back in to solve for y.
Write down an original equation:
−2x−9y=−25
Substitute−1forxin−2x−9y=−25:
(−2)(−1)−9y=−25
−9y+2=−25 (Simplify both sides of the equation)
−9y+2+−2=−25+−2 (Add -2 to both sides)
−9y=−27
y = 3
A plan is drawn using a scale of 1:500, if length of wall on palm is 6cm , how long is the wall in reality ?
Answer:
30 m
Step-by-step explanation:
500 x 6cm = 3000 cm = 30 m
Since the scale is 1:500, you can simply multiply the length you were given by 500.
500 * 6 = 3000
So the wall in reality will be 3000cm or 30m.
Plz Help I would appreciate it!!!
Answer:
a) Similar triangles are triangles with the same shape but not necessarily the same size
b) 15/45 = 8/x
1/3 = 8/x (simplify the 15/45)
x = 8 * 3 (cross multiplication)
x = 24
c) y^2 = 15^2 + 8^2 (Pythagoras theorem)
y = *square root of* 15^2 + 8^2
y = 17
1/3 = 17/z
z = 17 * 3 (cross multiplication)
z = 51
-3 3/4 divided by -10
Answer:
0.375 as a decimal form And as a fraction 375/1000 or 15/40
let f(x) = 12/4x+2. find f(-1)
What two operations would you use to solve the equation 3/4m - 6 = 12
-multiplication
-division
-addition
-subtraction
To solve this expression, we can use the mathematical operations: addition, multiplication and division. So the correct value, will be m = 1/24
This expression is an equation of the first fractional degree. To calculate, let's:
— move the negative - term to the other side of the positive equation, thus adding:
3/4m - 6 = 12
3/4m = 12 + 6
3/4m = 18
— Now, let's calculate without being fractional. We will isolate the variable multiply the terms with each other:
3/4m = 18
3 = 4m . 18
3 = 72m
— Finally, we'll turn this equation into a fraction, like this - simplifying the numerator and denominator by the same real number:
3 = 72m
m = 3/72
m = 3÷3 / 72÷3
m = 1/24
Therefore, the correct value of this expression is m = 1/24
Question 1 (point)
a T-shirt is on sale for 35% of the original price. If the original price is $48.80, what is the sale price?
A.$16.27
B.$17.08
C.$31.72
D.$32.53
Answer:
31.72
Step-by-step explanation:
100-35=65
100%->48.80
65%->31.72
There is 7/22 gallons of water, consumption was 7/11. What amount of water is left?
There will be no water left in the container.
Finding the remaining water:The amount of water left in the container will equal the total gallons of water minus the amount of water consumed.
Here both given dimensions are in a fraction form. To subtract a fraction from a fraction make sure both dimensions have the same denominator.
Here we have
There are 7/22 gallons of water
Amount of water consumed = 7/11
The amount of water left
= Total amount of water - Amount of water consumed
= 7/22 - 7/11
= 7/22 - 14/22
= - 7/22
Here the result is negative
This implies there is no water left in the container, and the consumption was greater than the initial amount of water.
Therefore,
There will be no water left in the container.
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anyone have mocks gcse for year11 maths edexcel
I'm in year 10 but here are some useful websites...
What instruments did the Greeks not utilise while building geometric structures?
Check all the correct answers
A. Compass
B. straightedge
C. Protractor
D. Eraser
Foundations in Algebra: Probability Assignment
1. Andrew claims:
A spinner has 4 sections -
red, yellow, green, and blue.
The probability of getting the
red section is 0.25.
Is he correct? Explain your answer fully:
I
Answer:
yes a 1/4 probability is 0.25
the amount of taxes a city collects is proportional to the population of the city. in 2005 the population was million and it had increased to million by 2017. if billion dollars in taxes were collected in 2005, how much was collected in 2017?
If billion dollars in taxes were collected in 2005, then 30 billion was collected in 2017.
In 2005 the population was 2 million and it had increased to 3 million by 2017.
If 20 billion dollars in taxes were collected in 2005 then we have to determine how much tax was collected in 2017.
The amount of taxes of the city is proportion to the population of that city.
Tax(T) = kP(Population)
where k is a constant.
In 2005 Population = 2 millions and T = 20 billion. So
20 = 2k
Divide by 2 on both side, we get
k = 10
In 2017 Population = 3 millions and k = 10. So the tax collection in 2017 is:
t = 10 × 3
t = 30 billion
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The complete question is:
The amount of taxes a city collects is proportional to the population of the city. In 2005 the population was 2 million and it had increased to 3 million by 2017. If 20 billion dollars in taxes were collected in 2005 how much was collected in 2017? billion dollars help?
Which expression represents the average of three test scores?
x + y + z
3 (x + y + z)
StartFraction x + y + z over 3 EndFraction
StartFraction x y z over 3 EndFraction
Answer:
c
Step-by-step explanation:
cccc
The required expression that represents the average of three test scores is x + y + z / 3. Option C is correct.
What is average?The average of the values is the ratio of the total sum of values to the number of values.
Here,
The required average of three test scores,
= sum of the scores/number of scores
= x + y + z / n(x, y, z)
= x + y + z / 3
Thus, the required expression that represents the average of three test scores is x + y + z / 3. Option C is correct.
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Need help asappppppppp
To graph the points, plot each point on a coordinate plane with the x-coordinate on the horizontal axis and the y-coordinate on the vertical axis. See the attached graph.
What is the explanation for the other prompts?To find the slope of each segment, use the formula:
slope = (change in y) / (change in x)
FG: slope = (2 - (-2)) / (-2 - (-4)) = 1
GH: slope = (3 - 2) / (4 - (-2)) = 1/2
HJ: slope = (-1 - 3) / (2 - 4) = -2
JF: slope = (-1 - (-2)) / (2 - (-4)) = 1/2
The sides FG and JF have the same slope of 1/2. The sides GH and HJ have opposite reciprocal slopes of 1/2 and -2, respectively.
None of the sides have the same length.
To find the perimeter of the polygon, add up the lengths of the sides:
FG: distance = √((2 - (-2))^2 + (-2 - (-4))^2) = 4.47
GH: distance = √((3 - 2)^2 + (4 - (-2))^2) = 6.08
HJ: distance = √((-1 - 3)^2 + (2 - 4)^2) = 4.47
JF: distance = √((-1 - (-2))^2 + (2 - (-4))^2) = 6.08
Perimeter = FG + GH + HJ + JF = 4.47 + 6.08 + 4.47 + 6.08 = 21.10
Therefore, the perimeter of the polygon is 21.10 units.
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suppose that a lemonade recipe calls for cup of sugar for every lemons. you have lemons and cups of sugar. which ingredient is limiting? why?
The lemon are limiting ingredient in lemonade recipe.
Here the limiting ingredient is lemon because here for 1 cup of sugar we have 1 lemon it's clearly seems that the juice of 1 lemon never melt the 1 cup of sugar that's why here limiting ingredient is lemon.
A limiting reagent is a substance that is completely consumed upon completion of a chemical reaction. They are also called limiting agents or limiting reactants. According to the stoichiometry of a chemical reaction, a certain amount of reactants is required for the reaction to go to completion. Consider the following reactions involving the formation of ammonia.
\(3H_{2} +N_{2} - > 2NH_{3}\)
In the above reaction, 3 moles of hydrogen gas are required to react with 1 mole of nitrogen gas to produce 2 moles of ammonia. But what if only 2 moles of hydrogen gas and 1 mole of nitrogen were available during the reaction? Not all nitrogen can be used in this case (because 3 moles of hydrogen gas are required to react all the nitrogen). Hydrogen gas is therefore called the limiting reagent for this reaction as it limits the reaction.
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What is the coefficient of x³y² in the expansion of (2x+y)5?
O A 2
OB. 5
OC. 40
OD. 80
OE. It does not exist.
SUBMI
The coefficient of x³y² in the expansion of (2x+y)5 is 80.
What is the coefficient in expansion?A material's rate of expansion as a function of temperature is known as its coefficient of thermal expansion (CTE). More specifically, this coefficient is calculated under constant pressure and without a change in the material's phase, i.e., it is anticipated that the substance will continue be in either its solid or liquid state.Rather of comparing several units, it is employed to ascertain the range of values inside a single data set. The co-efficient of variation is employed when we wish to compare two or more data sets. The CV is calculated as the standard deviation to mean ratio.(x+y)n = xn + nxn-1y + n(n1)2 is the formula for the binomial expansion!Given data :
The coefficients of terms of (p+q)^n can be found by the Pascal's triangle for small values of n. Pascal's triangle will start with (1,1) = coefficients of (p,q)^n =1. For n=2, we add successive terms of the previous value of n. Thus for n-2, we have (, 1+1,11=(1,2,1), for n=3, we have (1,3,3,1), giving the following pattern:
(1,1)
(1,2,1)
(1,3,3,1)
(1,4,6,4,1)
(1,5,10,10,5,1)
meaning for n=5, the binomial expansion for (P+Q)^5 is
P^5+5P^4Q+10P^3Q^2+10P^2Q^3+5PQ^4+Q^5
Setting P=2x, Q=y in the term 10P^3Q^2, we get a term
10(2x)^3(y)^2
=10(8x^3)(y^2)
=80x^3y^2
So the required coefficient is K=80.
We can also find the coefficient 10 by binomial expansion of
n=5, x=3 in
C(n,x) = n! / (x! (n-x)!) = 5! / (2!3!) = 5*4*3/(1*2*3) = 10
Then again substituting 10(2x)^3(y)^2 = 80x^3y^2
to get the coefficient K=80.
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How much interest does a $407 investment earn at 6% over seven years?
Answer:
$204.98
Step-by-step explanation:
407(1+0.06)^7
611.98
611.98-407
204.98
So it made $204.98
Hope this helps