Answer:
<abd is 90
<abc is 44
this isnt that hard im in middle school and doing this
Step-by-step explanation:
Answer:
Below in bold letters.
Step-by-step explanation:
Page 1.
1. m < EBF = m < ABC ( opposite angles).
So m < ABC = 44 degrees
2. M < CBF = 180 - m EBF = 180 - 44
= 136 degrees.
3. m < DBE = 90 - 44 = 46 degrees.
4. m < ABD = 90 degrees (given).
Page 2.
A. Circumference = 3.14 * diameter
= 3.14 * 18
= 56.52 ins.
B. Area = 3.14 * radius squared
radius = 1/2 * 18 = 9
Area = 3.14 * 9^2
= 254.34 in^2.
At Lake Clay, marine biologists catch,
tag, and release 50 smallmouth bass.
Over the next few days, they catch 175
smallmouth bass, of which 7 have the
original tags. What is the estimated
population of smallmouth bass in Lake
Clay?
Step-by-step explanation:
Answer from: Quest
the answer is thin because within context, the stanza concludes the and frail tone the people have toward each other, and the fact that it would be thin, makes the most sense compared to "pliable" or "not hard or firm to the touch". hope this , good luck.
step-by-step explanation:
can i have brainliest
Is the following decay allowed? Explain all your reasoning and consider all conservation laws and rules to receive full credit. \[ \Sigma^{+} \rightarrow \Lambda^{0}+\pi^{+} \]
The decay Σ+→Λ0+�+Σ+→Λ0+π+is allowed based on conservation laws and rules.
Here's the reasoning:
Conservation of charge: The total charge on the left-hand side (Σ+Σ+) is +1, and on the right-hand side (Λ0+�+Λ0+π+) is also +1. Therefore, the decay is consistent with the conservation of charge.
Conservation of baryon number: The total baryon number on the left-hand side is +1 (since Σ+Σ+has baryon number +1), and on the right-hand side, the sum of the baryon numbers ofΛ0Λ0and�+π+is also +1.
Hence, baryon number is conserved in this decay.
Conservation of strangeness: The strangeness quantum number is conserved separately for each particle in the decay. The strangeness of
Σ+Σ+is 0, whileΛ0Λ0has strangeness -1 and�+π+has strangeness 0. The sum of the strangeness values on the right-hand side is -1 + 0 = -1, which matches the strangeness of the Σ+Σ+on the left-hand side. Therefore, strangeness is also conserved.
Based on the conservation laws of charge, baryon number, and strangeness, we can conclude that the decay
Σ+→Λ0+�+Σ+→Λ0+π+is allowed.
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Write 15+45 as a product of 2 factors using GCF and the distributive property
We can write (15 + 45) as a product of 2 factors using GCF and the distributive property 15(1 + 3).
We are given the following expression-
15 + 45
Now, we can factorize 15 into prime factors as follows -
= 3 × 5 (15 × 1)
Similarly, we can factorize 45 into prime factors as follows -
= 3 × 3 × 5 (15 × 3)
Thus, the greatest common factor of 15 and 45 is 15, so we can
= 15 × 1 = 15 and 15 × 3 is 45
Hence, we can write (15 + 45) as 15(1 + 3).
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You start at (8,0). You move left 6 units. Where do you end?
Answer:
(2, 0)
Step-by-step explanation:
Moving left just subtracts from the x coordinate (example: left 8 subtracts 8 from the x coordinate)
Brₐinliest plz so close to leveling up
Answer:
You would end at (2, 0)
To solve the system of linear equations 3 x minus 2 y = 4 and 9 x minus 6 y = 12 by using the linear combination method, Henry decided that he should first multiply the first equation by –3 and then add the two equations together to eliminate the x-terms. When he did so, he also eliminated the y-terms and got the equation 0 = 0, so he thought that the system of equations must have an infinite number of solutions. To check his answer, he graphed the equations 3 x minus 2 y = 4 and 9 x minus 6 y = 12 with his graphing calculator, but he could only see one line. Why is this?
Henry could only see one line since both lines had the same slope, which means that the graphs of both equations will be identical and hence overlap.
Identify the linear equation?Linear equations in a system 3x + 2y = 4, and 9x + 6y = 12
We must demonstrate why Henry could only make out one line when he plotted the equations 3x-2y=4 and 9x-6y=12 on a graph.
Take the provided linear equation system into consideration.
3x - 2y = 4 ................(1)
9x - 6y = 12 ..................(2)
Due to the fact that equation (2) is a multiple of equation (1), 3 (3x - 2y = 4) = 9x - 6y = 12
The slopes of the provided equations are also same.
Difference with regard to x for equation (1) yields,
additional to equation (2),
With regard to x, we can differentiate to get,
The graphs of both equations will overlap since both lines have the same slope and hence have the same appearance on the graph.
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The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 65,000 miles and a standard deviation of 1500 miles. What warranty should the company use if they want 95% of the tires to outlast the warranty?
The company should use a warranty period that is equal to 67,467.5 miles.
To determine the warranty period, we need to find the value of the tire life that corresponds to 95% of the tires. We can use the standard normal distribution table to find the value of the z-score that corresponds to the 95th percentile. This value is approximately 1.645.
Now, we can use the formula for the normal distribution to find the tire life value that corresponds to the z-score of 1.645. This formula is:
X = μ + zσ
Where X is the tire life value, μ is the mean of the distribution (65,000 miles), z is the z-score (1.645), and σ is the standard deviation of the distribution (1500 miles).
Plugging in the values, we get:
X = 65,000 + 1.645(1500)
X = 67,467.5
This means that 95% of the tires will have a life of at least 67,467.5 miles.
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At a bowling alley, the cost of shoe rental is $2.75 and the cost per game is $4.75. If f(n) represents the total cost of shoe rental and n games, what is the recursive equation for f (n)? f(n)=2.75+4.75+f(n−1),f(0)=2.75 f(n)=4.75+f(n−1),f(0)=2.75 f(n)=2.75+4.75n,n>0 f(n)=(2.75+4.75)n,n>0
The recursive equation for the total cost of shoe rental and n games, denoted as f(n), is f(n) = 2.75 + 4.75 + f(n-1), with the base case f(0) = 2.75.
The recursive equation indicates that the total cost of shoe rental and n games is equal to the sum of the shoe rental cost ($2.75), the cost per game ($4.75), and the total cost of shoe rental and (n-1) games. This equation is recursive because it refers to the value of f(n-1) in its own definition. To calculate the total cost for each additional game, the equation recursively adds the cost per game to the previous total cost. The base case f(0) = 2.75 represents the cost of shoe rental without any games played.
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A triangle has interior angles that measures 3x, (2x + 15), and (x + 45). What is the measure of the largest exterior angle?
What is the value of x, when -25(x - 4) = -55(x - 10)? A) x = 5 B) x = -5 C) x = 8 1/ 8 D) x = 15
\(-25(x - 4) = -55(x - 10)\\-25x+100=-55x+550\\30x=450\\x=\dfrac{450}{30}=15\)
Answer:
x=15
Step-by-step explanation:
Need help please and thank you
Yesterday, Miron finished all his tasks in {3}{4} of an hour. Today, he finished them in {5}{12} of an hour. How much faster was he today than yesterday?
The statement that is true of the pizza is A. About half of the pizza is left.
The answer to the subtraction of the fractions is 7/24.
Miron was 1/3 of an hour faster today than yesterday.
How to find the solutions ?Initially, 2/3 of the pizza was left over. Marcy ate 2/9 of the pizza.
2/3 - 2/9
(2/3) x (3/3) = 6/9
6/9 - 2/9 = 4/9
So, 4/9 of the pizza is left. Since 4/9 is less than half but more than very little.
2/3 - 3/8
Find a common denominator, which in this case is 24:
(2/3) x (8/8) = 16/24
(3/8) x (3/3) = 9/24
Now subtract:
16/24 - 9/24 = 7/24
The answer in simplest form is 7/24
Miron finished his tasks in 3/4 of an hour yesterday and 5/12 of an hour today.
3/4 - 5/12
Find a common denominator, which in this case is 12:
(3/4) x (3/3) = 9/12
9/12 - 5/12 = 4/12
4/12 = 1/3
Miron was 1/3 of an hour faster today than yesterday.
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What is the sum of the measures of the exterior angles of the polygon shown below if necessary round to the nearest 10th
Answer:
24
Step-by-step explanation:
Number of sides = 15 (counted and it was a pain the a*s)
The total measure of the exterior angle = 360
= 360/15
= 24 degree
Each angle is measured 24 degree
The sum of the exterior angles of the polygon shown in the image is: 360°.
What is the Sum of Exterior Angles of a Polygon?Regardless of the number of sides or angles a polygon has, the sum of exterior angles of any polygon is always 360 degrees.
Thus, the polygon given has 15 sides, however, the sum of all its exterior angles will still give 360 degrees.
Therefore, the sum of the exterior angles of the polygon shown in the image is: 360°.
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the image below is the one you need to solve
Option c: y = -x + 5 represents scatter plot 1, Option g: The relationship is not linear represents scatter plot 2, Option a: y = 3x represents scatter plot 3, and Option f: y = x + 3 represents scatter plot 4.
What is a scatter plot?
The graphs that show the association between two variables in a data set are called scatter plots. It displays data points either on a Cartesian system or a two-dimensional plane.
The given equations are -
a. y = 3x
b. y = 4x - 2
c. y = -x + 5
d. y = -5x
e. y = -2x - 4
f. y = x + 3
g. The relationship is not linear.
The first scatter plot is going from positive y-axis to positive x-axis in a linear form. The graph for the equation that goes from positive y-axis to positive x-axis is y = -x + 5.
The second scatter plot is a curved parabola going and not a linear plot. So, the scatter plot is said to be a non-linear scatter plot.
The third scatter plot is going from positive x-axis to infinity in a linear form. The graph for the equation that goes from x-axis to infinity is y = 3x.
The fourth scatter plot is going from positive y-axis to infinity in a linear form. The graph for the equation that goes from positive y-axis to infinity is y = x + 3.
Therefore, scatter plot 1 is represented by equation y = -x + 5, scatter plot 2 is not linear, scatter plot 3 is represented by equation y = 3x and scatter plot 4 is represented by equation y = x + 3.
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a random sample of 20 items is selected from a population. when computing a confidence interval for the population mean, what number of degrees of freedom should be used to determine the appropriate t-value? multiple choice 20 19 21 25
The degrees of freedom for the following random sample is 19.
The quantity of values that can change in a statistic's final calculation is referred to as the number of freedom levels in statistics.
The estimation of statistical parameters can be done using many types of data or information. The number of independent data points needed to estimate a parameter is referred to as having two degrees of freedom.
The amount of flexibility in an estimate is typically defined as the number of distinct scores utilized in the estimate, minus the number of characteristics used as intermediate steps in the estimation of the parameter itself.
Now degrees of freedom is calculated for the confidence level by reducing the sample size by 1.
Hence sample size =20
Degrees of freedom = 20 -1 = 19
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In a answered math the problem \(\sqrt{-2}\) plus \(\sqrt{-18}\) was \(4\sqrt{2i}\) as it was rewritten as \(\sqrt{2i} + \sqrt{18i}\). Why can \(\sqrt{-2}\) be written as\(\sqrt{2i}\)
\(\text{The imaginary unit,}~ i = \sqrt{-1}\\\\\sqrt{-2} ~ \text{can be written as.}\\\\\sqrt{-2}\\\\=\sqrt{-1 \cdot 2}\\\\=\sqrt{-1} \sqrt{2}\\\\=i\sqrt 2\\\\=\sqrt 2 i\)
What is the gradient of a line perpendicular to a line with a gradient of −2/3?
The gradient of a line perpendicular to a line with a gradient of −2/3 is 3/2.
Gradient of a line
The gradient of a line is defined as the change in the "y" coordinate with respect to the change in the "x" coordinate of that line. The gradient of a line is helpful to find the inclination or steepness of a line.
We know that,
The product of gradient of two lines perpendicular to each other is equal to -1.
Let the gradient of the other line be m.
Hence, according to the data given in the question, we can write,
(-2/3)*m = -1
m = -1*(-3/2)
m = 3/2
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use the binomial theorem to find the coefficient of x^2y^15 in the expansion of (5x^2 + 2y^3)^6,where
a. a= 6 b = 9
b. a=2 b=15
c. a=3 b = 12
d. a=12 b= 0
e. a=8 b=9
note: ignore e),on c) a= 4 not 3
The coefficient of x^2y^15 in the expansion is 0. So, none of the given choices (a, b, c, d) is correct.
To find the coefficient of x^2y^15 in the expansion of (5x^2 + 2y^3)^6, we can use the binomial theorem.
The binomial theorem states that for any positive integers n and m, the coefficient of x^n * y^m in the expansion of (a + b)^n is given by the expression:
C(n, m) * a^(n-m) * b^m,
where C(n, m) is the binomial coefficient, which can be calculated as:
C(n, m) = n! / (m! * (n-m)!),
where n! represents the factorial of n.
In this case, we have (a + b)^6, where a = 5x^2 and b = 2y^3. We want to find the coefficient of x^2y^15, so n = 6, m = 15, a = 5x^2, and b = 2y^3.
Let's calculate the coefficient using the binomial theorem:
C(6, 15) * (5x^2)^(6-15) * (2y^3)^15
Since the exponent of x in the term (5x^2) is 2, and we want the coefficient of x^2, the exponent of x in the binomial coefficient will be (6-2) = 4.
C(6, 15) * (5^4 * x^8) * (2^15 * y^45)
Now, let's calculate the binomial coefficient:
C(6, 15) = 6! / (15! * (6-15)!) = 0
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What is the solution to the system of equations?
y = 2/3x+3
x=-2
Answer:
y=2x/3+3-----------------P
Putting X = -2 in eq P
y=2(-2)/3+3
= -4/3+3=5/3
x,y= -2, 5/3
Trevor is making payments on a car that costs 26,555 dollars. He makes 36 equal payments. If he rounds the equal payments up to the nearest whole dollar, about how much will he overpay after 36 months? Explain.
Answer:
$13 overpayment
Step-by-step explanation:
We can find the amount Trevor should pay each month by dividing the $26,555 by 36 months:
($26,555/(36 months)) = $737.64 per month
Since Trevor decide to round up to the nearest dollar, he will pay $738 each month. That's an overpayment of $0.361 each month.
After 36 months of overpaying by $0.361 each month, Trevor will have overpaid:
($0.36/month)*(36 months) = $13 overpayment
Alex has five cups of strawberries. He wants to use 1 3/4 cups of strawberries for a fruit salad and 3 1/2 cups for jam. Does Alex have enough strawberries to make both recipes? Solve this problem any way you choose. Grade 5
Alex has five cups of strawberries and wants to use 1 3/4 cups of strawberries for a fruit salad and 3 1/2 cups for jam. Alex has enough strawberries to make both recipes.
To check if Alex has enough strawberries, we add the amount of strawberries needed for the fruit salad (1 3/4 cups) and the amount needed for the jam (3 1/2 cups)
1 3/4 cups + 3 1/5 cups
= 1 + 3/4 + 3 + 1/5
Multiplying 3/4 with 5/5 and 1/5 with 4/4 to make denominator equal
= 1 + 15/20 + 3 + 4/20
= 4 + 19/20
= 4 19/20 cups
4 19/20 is less than 5 cups. So Alex has enough strawberries for both recipes.
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A toy company makes wooden blocks. A carton holds 87 blocks.
How many blocks can 15 cartons hold?
The cartons can hold
blocks.
The cartons hold 1305 blocks.
What are Comparing quantities?
- Finding an unknown quantity that has a relationship with a certain condition associated to it is the process of comparing quantities.
- One or more quantities with their units will be provided to us, and we will be required to determine the value of the same quantity in other units (i.e. in higher values or in lower values).
We given that,
A carton holds 87 blocks.
It means, 1 carton holds = 87 blocks
So find 15 cartons holds how much of blocks.
15 cartons holds = 15 * 87
= 1305 blocks
Hence, we can say that the cartons hold 1305 blocks.
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Solve the 19 problem. If no optimal solution exists because there is no Solution Set, enter fMirr. If no optimal solution exists becouse the region is unbounded, enter UNBOUNDEO. Note that an unbounded region can still have an optimal solution while a bounded region is guaranteed to have optimal solutions. HENT [See Example 1.] Maximize and minimize p=x+2y subject to x+y≥4x+y≤10x−y≤4x−y≥−4 Mrimums p=(α,y)=() Mavimam p=n)=()
The maximum value of the objective function is 4 at the vertex (4, 0), and the minimum value is -8 at the vertex (0, -4). The optimal solutions for the given LP problem are Maximum: p = 4 at x = 4 and y = 0 and Minimum: p = -8 at x = 0 and y = -4.
Maximize and minimize p = x + 2y
subject to:
x + y ≥ 4
x + y ≤ 10
x - y ≤ 4
x - y ≥ -4
First, let's graph the feasible region defined by the given constraints:
Plotting the lines:
x + y = 4 (solid line)
x + y = 10 (solid line)
x - y = 4 (solid line)
x - y = -4 (solid line)
The feasible region is the area that satisfies all the constraints and is bounded by the lines on the graph.
Upon examining the feasible region, we can observe that it is a bounded region.
To find the optimal solution, we need to evaluate the objective function p = x + 2y at the vertices (corner points) of the feasible region.
Now, let's find the vertices of the feasible region by solving the intersection points of the lines:
1. Intersection of x + y = 4 and x + y = 10:
Subtracting the equations, we get 0 = 6, which is not possible. No intersection point exists for these lines.
2. Intersection of x + y = 4 and x - y = 4:
Adding the equations, we get 2x = 8, x = 4. Substituting x = 4 into x + y = 4, we get 4 + y = 4, y = 0. The first vertex is (4, 0).
3. Intersection of x - y = 4 and x - y = -4:
Adding the equations, we get 2x = 0, x = 0. Substituting x = 0 into x - y = 4, we get -y = 4, y = -4. The second vertex is (0, -4).
Now, we evaluate the objective function at each vertex:
p(4, 0) = 4 + 2(0) = 4
p(0, -4) = 0 + 2(-4) = -8
The maximum value of the objective function is 4 at the vertex (4, 0), and the minimum value is -8 at the vertex (0, -4).
Therefore, the optimal solutions for the given LP problem are Maximum: p = 4 at x = 4 and y = 0 and Minimum: p = -8 at x = 0 and y = -4.
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Solve.
−46=21+3m
Enter your answer as a mixed number in simplest form in the box.
m =
Answer:
-22 1/3
Step-by-step explanation:
We should start by subtracting both sides of the equality by 21.
After doing this, we get that -67=3m.
Furthermore, we can divide both sides by 3 and get -67/3=m.
However, this is an improper fraction, not a mixed number.
If we divide -67 by 3, we get -22 1/3.
Therefore, m= -22 1/3
Gabby earned $70 selling 10 bracelets. How many bracelets does she need to sell to earn $210?
Answer:
30 bracelets
Step-by-step explanation:
$70 - 10 bracelets
$7 - 1 bracelet
Times 30
$210 -30 bracelets
If the equation is true for all real numbers enter "All -4(6y+4)+19=12(-2y+5)-55
True. All real numbers satisfy the equation -4(6y+4)+19=12(-2y+5)-55.
The statement "If the equation is true for all real numbers enter 'All'" has been used to indicate that the given equation is true for all real numbers.
Given equation: -4(6y + 4) + 19 = 12(-2y + 5) - 55
Using distributive property, simplify both sides of the equation.
-24y - 16 + 19 = -24y + 60 - 55-24y + 3 = -24y + 5
By transposing -24y from the right-hand side of the equation to the left-hand side of the equation, we can simplify it as follows:
3 = 5
Since the above equation is always false for all real numbers, there is no solution. Therefore, we conclude that the given equation has no solution.
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Two beach rental companies compared their sales from last weekend. Both companies rent out jet skis and kayaks, and they charge the same prices. Will's Watersports made a total of $780 from renting 12 jet skis and 9 kayaks. Family Fun Rentals made a total of $570 from renting 7 jet skis and 11 kayaks. What is the cost of each type of rental?
Answer:
To rent a jet ski you need to pay $50 and to rent a kayak you need to pay $20
Step-by-step explanation:
Since both shops charge the same amount for each kind of vehicle, we will assign variables to the their cost. The cost of a jet ski will be "x" and the cost of the kayak will be "y". Therefore we can create a system of equations as shown below:
Will's shop:
12*x + 9*y = 780
Fun Rentals:
7*x + 11*y = 570
\(\left \{ {{12x+ 9y=780} \atop {7x + 11y =570}} \right.\\\)
We can isolate "x" on the second equation, we have:
\(x = \frac{570 - 11y}{7}\)
Applying this value on the first equation:
\(12[\frac{570 - 11y}{7}] + 9y = 780\\\frac{6840 - 132y}{7} + 9y = 780\\\frac{6840 - 132y + 63y}{7} = 780\\ 6840 - 132y + 63y = 5460\\6840 - 69y = 5460\\69y = 1380\\y = 20\)
Applying the value of "y" we found on the "x" equation above, we have:\(x = \frac{570 - 11*20}{7}\\x = 50\\\)
Therefore to rent a jet ski you need to pay $50 and to rent a kayak you need to pay $20
please view the image and answer the questions.
This is College Algebra.
Step-by-step explanation:
x² - 9
1. There is no common factor other than 1.
2. √x² = x; √9 = 3
3. a = x; b = 3
4. x² - 9 = (x - 3)(x + 3)
A silver picture frame is on sale for $21.14. If the original price of the frame was $75.50, what is the percent of the discount
Answer:
Step-by-step explanation:
54%
Answer:
54%
Step-by-step explanation:
54%
An investment of $70,000 increase rate of 12.5%. Find the value of the investment after 31 years
A large pool has a faucet to allow water to enter the pool and a drain to allow water to leave the pool.
PLEASE HELP THIS IS AN INTERIM CHECKPOINT TEST <3
Each minute, the faucet allows 10 3/4 gallons of water to enter the pool, and the drain allows 12 1/3 gallons to leave the pool.
What is the change in the amount of water in the pool after 1 1/2 minutes?
Answer:
Step-by-step explanation:
The change in the amount of water in the pool is the difference between the amount of water that enters and leaves the pool
Change in volume of water in the pool after 112 minutes is gallons
Reason:
The given parameters are;
The volume volume of entering the pool = 10 3/4 gallons per minute
The volume of water leaving the pool = 12 1/3 gallons per minute
Which team has the best winning percentage?
A) 6 wins, 4 losses
B) 10 wins, 5 losses
C) 20 wins, 16 losses
D) 30 wins, 24 losses
Answer: A)
Step-by-step explanation:
Answer:
10 wins, 5 losses
Step-by-step explanation: