10. Look at the diagram. Which of the following is a pair of vertical angles?
Answers
Answer:
1 option is correct
Step-by-step explanation:
Angle AOB and DOC is vertically opposite angle
Have a nice day :)
Related Questions
show your work i need it
Answers
The expression representing the width of the garden is given as follows:
6w + 2.
An equivalent expression is given as follows:
2(3w + 1).
How to obtain the expression?The width of the rectangle is represented as follows:
w.
Six times the width of the rectangle is represented as follows:
6w.
Two feet plus six times the width of the rectangle is represented as follows:
6w + 2.
6 = 2 x 3, hence the simplified expression can be given as follows:
2(3w + 1).
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Which property should Remus use to solve the equation below? 7 q = 49 division property of equality addition property of equality subtraction property of equality identity property of equality.
Answers
Answer:
Division Property
Step-by-step explanation:
He needs to divide both sides by 7 to find the value of q
The division property of equality should Remus used to solve the given equation and this can be determined by using the given data.
Given :
Equation is \(7q = 49\).
The following steps can be used in order to determine the property that Remus use to solve the given equation:
Step 1 - Write the given equation.
\(7q = 49\)
Step 2 - The arithmetic operations can be used in order to evaluate the given equation.
Step 3 - Using the division property of equality the value of 'q' can be determined.
\(q = \dfrac{49}{7}\)
\(q = 7\)
Therefore, the correct option is A).
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a critical value, z subscript alphazα, denotes the _______.
Answers
A critical value, z subscript alpha (zα), denotes the boundary or cutoff point for a statistical test where the level of significance, also known as alpha (α), is set.
A critical value, z subscript alpha (zα), denotes the value at which the probability of observing a test statistic in the tail(s) of the sampling distribution equals the pre-determined significance level (alpha).
The critical value can be defined as the value that is compared with the parameter value in the hypothesis test to determine whether the null hypothesis will be rejected. If the value of the parameter is less than the critical value, the null hypothesis is rejected.
However, if the measured value is higher than the critical value, reject the null hypothesis and accept the alternative hypothesis. In other words, cropping divides the image into acceptable and unacceptable areas. If the value of the index falls within the rejection range, the rejection of the fact is rejected, otherwise the negative hypothesis is rejected.
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subtract from both sides -6- (8.4) =1.2x +8.4 - (8.4)
Answers
Answer: -6- (8.4) =1.2x +8.4 - (8.4)
X = - 12
Ellen has two pizzas left after a party. One is whole and one has been half-eaten. The whole pizza has a radius of 7 inches. The half eaten pizza has a diameter of 20 inches.
Which pizza has a greater circumference?
Answers
Answer:
half eaten pizza has greater circumference
Step-by-step explanation:
full eaten pizza's circumference = 2πr
= 2 * 3.14 * 7 = 43.96 inches
half eaten pizza's circumference = πd
= 3.14 * 20
=62.8 inches
find the solution to the system of equations, 3y-7 for x
Answers
The solution to the system of equations is (-2, 3), where x is -2 and y is 3.
To find the solution to the system of equations:
1. Isolate x in the first equation:
x + 3y = 7
Subtract 3y from both sides:
x = 7 - 3y
2. Substitute the value for x into the second equation:
2x + 4y = 8
Substitute x with 7 - 3y:
2(7 - 3y) + 4y = 8
3. Simplify and solve for y:
14 - 6y + 4y = 8
Combine like terms:
-2y + 14 = 8
Subtract 14 from both sides:
-2y = -6
Divide both sides by -2:
y = 3
4. Substitute y = 3 into either original equation:
x + 3(3) = 7
x + 9 = 7
x = 7 - 9
x = -2
5. Write the solution as an ordered pair:
The solution is (-2, 3), which represents the values of x and y that satisfy both equations in the system.
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The complete question is:
Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8 1. Isolate x in the first equation: 2. Substitute the value for x into the second equation: 3. Solve for y: 4. Substitute y into either original equation: 5. Write the solution as an ordered pair: x = 7 – 3y 2(7 – 3y) + 4y = 8 14 – 6y + 4y = 8 14 – 2y = 8 –2y = –6 y = 3 x + 3(3) = 7.
A line passes through the points ( 1,2) and (3,5)
Answers
y = 1.5x + 0.5 is the equation of the line passing through the coordinate points
Determining the equation of a line
The formula for finding the equation of a line in slope-intercept form is expressed as:
y =mx + b
where:
m is the slope
b is the intercept
Determine the slope
slope = 5-2/3-1
slope = 3/2
slope = 1.5
Determine the y-intercept
y = mx + b
5 = 1.5(3) + b
5 = 4.5 + b
b = 0.5
Hence the required equation of the line passing through ( 1,2) and (3,5) is
y = 1.5x + 0.5
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Complete question
What's the equation of a line that passes through (1,2) (3,5)?
You can sell 140 pet chias per week if they are marked at $1 each, but only 100 each week if they are marked at $2/chia. Your chia supplier is prepared to sell you 30 chias each week if they are marked at $1 per chia, and 90 each week if they are marked at $2 per chia. (a) Write down the associated linear demand and supply functions. demand function q(p) = 200-60p supply function q(p) = -20 + 60p X (b) At what price (in dollars) should the chias be marked so that there is neither a surplus nor a shortage of chias? $ 1.83 X
Answers
Given,The maximum quantity that can be sold at $1 is 140 chias, so the demand function is given by:q(p) = 200 - 60p if p ≤ 1The maximum quantity that can be sold at $2 is 100 chias, so the demand function is given by:q(p) = 200 - 100p if 1 < p ≤ 2.The equilibrium price is $1.67 per chia.
The supplier can supply a maximum of 30 chias at $1 per chia, so the supply function is given by:q(p) = 30 if p ≤ 1The supplier can supply a maximum of 90 chias at $2 per chia, so the supply function is given by:q(p) = 30 + 60p if 1 < p ≤ 2Demand function isq(p) = 200-60pSupply function isq(p) = -20+60pThe demand and supply equations are graphed in the figure below:Figure (1)To determine the equilibrium price, we need to solve the following equation:q(p) = 0This equation can be solved by substituting the supply function into the demand function as shown below:q(p) = 200-60p = -20+60p200 = 120pq = 200/120 = 5/3 = 1.67Therefore, the equilibrium price is $1.67 per chia.
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write a recursive function evenzeros to check if a list of integers ; contains an even number of zeros.
Answers
The recursive function called evenzeros that checks if a list of integers contains an even number of zeros is given below.
python
def evenzeros(lst):
if len(lst) == 0:
return True # Base case: an empty list has an even number of zeros
if lst[0] == 0:
return not evenzeros(lst[1:]) # Recursive case: negate the result for the rest of the list
else:
return evenzeros(lst[1:]) # Recursive case: check the rest of the list
# Example usage:
my_list = [1, 0, 2, 0, 3, 0]
print(evenzeros(my_list)) # Output: True
my_list = [1, 0, 2, 3, 0, 4]
print(evenzeros(my_list)) # Output: False
What is recursive functionIn the function evenzeros, one can see that the initial condition where the list has a length of zero. In this scenario, we deem it as true as a list that is devoid of elements is regarded as having an even number of zeros.
The recursive process persists until it either encounters the base case or depletes the list. If the function discovers that there are an even number of zeroes present, it will yield a True output, thereby implying that the list comprises an even number of zeroes. If not, it will give a response of False.
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5. Use the local linearization at a, namely f(a+h)=f(a)+f ′
(a)⋅h+E f(a)
(h), to prove the product rule for differentiation (f.g) ′
(a)=f ′
(a)g(a)+f(a)g ′
(a). Hint ( use the definition of the limit and the two theorems about the limit of the error function E(h)).
Answers
we have shown that: (f.g)'(a) = f(a)g'(a) + f'(a)g(a) which is the product rule for differentiation.
Proof of the product rule for differentiation (f.g)'(a) = f'(a)g(a) + f(a)g'(a)
using the local linearization at a, namely f(a + h) = f(a) + f'(a)⋅h + E(h)
where E(h) is the limit of the error function, and using the definition of the limit and the two theorems about the limit of the error function E(h):
Solution:
Let f(x) and g(x) be differentiable functions of x. Then, for small h,
we have f(a+h)g(a+h) = [f(a) + f'(a)h + E(h)][g(a) + g'(a)h + F(h)] …(1)
Expanding the product on the right-hand side of equation (1),
we get: f(a+h)g(a+h) = f(a)g(a) + f(a)g'(a)h + f'(a)g(a)h + [g(a)E(h) + f(a)F(h) + E(h)F(h)] …(2)
Taking the derivative of f(a+h)g(a+h) with respect to h and evaluating it at h = 0,
we have: (f.g)'(a) = f(a)g'(a) + f'(a)g(a) …(3)
Taking the limit as h approaches 0 of the error function E(h),
we have: lim(h→0) E(h)/h = 0 …(4)This means that E(h) is of the order of h as h approaches 0.
Using this fact and applying Theorem 1 about the limit of the error function, we can write:.
E(h) = o(h) …(5)where o(h) is the "little o" notation for a function that goes to zero faster than h as h approaches 0.
Using equation (5), we can rewrite equation (2) as:
f(a+h)g(a+h) = f(a)g(a) + f(a)g'(a)h + f'(a)g(a)h + o(h) …(6)
Taking the limit as h approaches 0 of equation (6), we get:f(a)g(a) = f(a)g(a) + f'(a)g(a)⋅0 + 0 + 0 …(7)
Hence, we have shown that:(f.g)'(a) = f(a)g'(a) + f'(a)g(a)which is the product rule for differentiation.
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6 more than the difference of p and 3
Do not simplify any part of the expression.
Answers
I'm pretty sure it's 6>p-3
HURRY !!!!!!!!!! Which choices correctly describe reflections in the diagram? Check all that apply. On a coordinate plane, triangle A is reflected across the x-axis to form triangle D. Triangle D is reflected across the x-axis to form triangle C. Triangle D is reflected across y = x to form triangle B. The red triangle A is reflected across the x-axis onto triangle B. The red triangle A is reflected across the y-axis onto triangle D. The blue triangle D is reflected across the x-axis onto triangle C. The blue triangle D is reflected across the line y = x onto triangle B. The green triangle C is reflected across the line y = –x onto triangle A.
Answers
Answer:
I believe the answers are 2,3, and 4.
Step-by-step explanation:
You are the lucky winner because you have found this answer. Have a good day.
The red triangle A is reflected across the y-axis onto triangle D, the blue triangle D is reflected across the x-axis onto triangle C and the green triangle C is reflected across the line y = –x onto triangle A. Then the correct options are B, C, and E.
What is a transformation of a shape?A point, line, or mathematical figure can be converted in one of four ways, and each has an effect on the object's structure and/or position.
The reflection does not change the shape and size of the geometry. But flipped the image.
Let's check all the options. Then we have
A.The red triangle A is reflected across the x-axis onto triangle B. Incorrect, because the orientation is different.
B.The red triangle A is reflected across the y-axis onto triangle D. Correct.
C.The blue triangle D is reflected across the x-axis onto triangle C. Correct.
D.The blue triangle D is reflected across the line y = x onto triangle B. Correct, because the orientation is different.
E.The green triangle C is reflected across the line y = –x onto triangle A. Correct.
The red triangle A is reflected across the y-axis onto triangle D, the blue triangle D is reflected across the x-axis onto triangle C and the green triangle C is reflected across the line y = –x onto triangle A. Then the correct options are B, C, and E.
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The missing diagram is given below.
Consider the following method, which implements a recursive binary search. /** Returns an index in myList where target appears, * if target appears in myList between the elements at indices * low and high, inclusive; otherwise returns -1. * Precondition: myList is sorted in ascending order. * low >= e, high < myList.size(), myList.size() > 0 */ public static int binarySearch(ArrayList mylist, int low, int high, int target) { int mid = (high + low) / 2; if (target myList.get(mid)) { return binarySearch(myList, mid + 1, high, target); } else if (myList.get(mid).equals(target)) { return mid; } return -1; } Assume that inputlist is an ArrayList of Integer objects that contains the following values. [e, 10, 30, 40, 50, 70, 70, 70, 70] What value will be returned by the call binarySearch(inputList, 6, 8, 70) ? O a 8 -1 O 5 7 6
Answers
The value returned by the call binarySearch (input List, 6, 8, 70) is 7.
The method provided in the question is a recursive binary search that searches for a target value within a sorted ArrayList.
The binarySearch method takes four arguments - the ArrayList to search within, the lower and upper bounds of the search range, and the target value.
In this case, the input ArrayList is [e, 10, 30, 40, 50, 70, 70, 70, 70].
The call to binarySearch(inputList, 6, 8, 70) will search for the value 70 within the sub-range of the ArrayList from index 6 to index 8, inclusive.
The mid index is calculated as
(8+6)/2 = 7
The value at index 7 is also 70, which matches the target value.
Therefore, the method will return the index 7, indicating that the target value was found at that position within the ArrayList.
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Rajani finds some dimes and quarters in her change purse. How much money (in dollars) does she have if she has 4 dimes and 5 quarters? How much money (in
dollars) does she have if she has a dimes and y quarters?
Answers
Answer:she willl have 20
Step-by-step explanation:
because each is aa key word for multiply
g(n)=n² +4n
h(n)=-3n-3
Find (g+h)(n-4)
Answers
The function (g+h)(n-4) is the sum of the function g(n-4) and h(n-4) will be written as (g+h)(n-4) = n² - 7n + 9.
What is a function?A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.
The functions are given below.
g(n) = n² + 4n
h(n) = - 3n - 3
The function (g+h)(n) is calculated as,
(g+h)(n) = g(n) + h(n)
(g+h)(n) = n² + 4n - 3n - 3
(g+h)(n) = n² + n - 3
Put n = n - 4, then we have
(g+h)(n-4) = (n - 4)² + (n - 4) - 3
(g+h)(n-4) = n² + 16 - 8n + n - 4 - 3
(g+h)(n-4) = n² - 7n + 9
The function (g+h)(n-4) will be (g+h)(n-4) = n² - 7n + 9.
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Your job is to sort and sack marbles for sale. A bag contains 44 marbles, some red and some green. If there are 11 red marbles, what is the ratio of green to red marbles?
Answers
Answer: 3:1
Step-by-step explanation:
Those that aren’t red are green, so there are 33 green marbles (44-11). That would be 33:11, which can be reduced (divide by 11).
Given the set of numbers (0, 1, 2, 3, 4, 5, 6, 7, 8), if one of the numbers of the set is chosen at random, find the probability that the number is a solution of 311 3 x < .
Answers
Answer:
number is 3. it's very easy
Use a change of variables (and the Jacobian) to find the volume of the solid region lying below the surface z = f(x,y) and above the plane region R. Picture of the solid
f(x,y) = (x+y)ex-y
R: the region of the xy-coordinate plane bounded by the square with vertices (4,0), (6,2),
(4,4), and (2,2) i need to know how to solve this problem for my test today, thaks
Answers
The volume of the solid region is approximately 10.4109 cubic units.
To find the volume of the solid region lying below the surface z = f(x,y) and above the plane region R, we can use the formula:
V = ∬R f(x,y) dA
where dA is the area element in the xy-plane and the double integral is taken over the region R.
To evaluate this integral, we first need to perform a change of variables. Let u = x + y and v = x - y. Then the inverse transformations are x = (u + v)/2 and y = (u - v)/2. The Jacobian of this transformation is:
J = ∂(x,y) / ∂(u,v) = 1/2
Next, we need to express the surface z = f(x,y) in terms of u and v. Using the substitutions x = (u + v)/2 and y = (u - v)/2, we get:
f(x,y) = (x+y)ex-y = [(u+v)/2 + (u-v)/2]e(u-v)/2 = ueu/2
So the volume of the solid is:
V = ∬R f(x,y) dA
= ∬R ueu/2 dA
= ∫₂⁴ ∫₂⁶ (u/2)e^(u/2) du dv (using the limits of integration for R in terms of u and v)
= ∫₂⁶ [e^(u/2)u²/4] from 2 to 4 dv
= ∫₂⁴ [e^(u/2)u²/4] from u-2 to 6 du
= 16(e^3 - e^2)/3
Therefore, the volume of the solid region is approximately 10.4109 cubic units.
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ANSWER ASAP ! NEED ANSWERS
Answers
Answer:
B.
Step-by-step explanation:
The midpoint is at y=1
G(x)=5−2xg, left parenthesis, x, right parenthesis, equals, 5, minus, 2, x Determine for each x xx-value whether it is in the domain of g gg or not
Answers
The domain of function is the set of all possible values of x for which the function is defined. In this case, the function G(x) = 5 - 2x is defined for all real numbers of x.
The collection of all feasible input values (x-values) for which a function may be defined is known as the domain of function. In other words, it is the collection of all x values that may be passed into the function and provide a legitimate result (a y-value).
The function G(x) = 5 - 2x in this instance is a linear function, meaning it is defined for all real values of x. This is so that we may plug in any real value for x, and the function will output a real number for G(x) that corresponds. As an illustration, when we enter x = 0, we obtain G(0) = 5 - 2(0) = 5, and when we enter x = 2, we obtain G(2) = 5 - 2(2) = 1.
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THE FIRST ONE TO GET IT CORRECT GETS 100 POINTS PLEASE
Answers
Answer:
B should be correct
Step-by-step explanation:
hope this helped
mark me brainliest
plus... this aint no 100 points... just such a scam...
i just did it cause i help ppl. i dont look at points...
Answer:
Your answer would have to be the last one ( \(a^{-7}\)).
Step-by-step explanation:
Hope this helps!
an experiment consists of tossing 4 unbiased coins simultaneously. the number of simple events in this experiment is question 20answer a. 10 b. 8 c. 16 d. 25
Answers
The number of simple events in this experiment is 16.
The correct answer to the given question is option c.
The probability of an event can be calculated by dividing the number of favorable outcomes by the number of possible outcomes. A simple event is one in which only one of the outcomes can occur. For example, if a coin is tossed, a simple event would be the outcome of the coin being heads or tails.
The total number of possible outcomes in the experiment of tossing 4 unbiased coins simultaneously is 2⁴, since there are two possible outcomes for each coin. Thus, the total number of possible outcomes is 16.
Each coin has two possible outcomes: heads or tails. If all four coins are flipped, there are two possible outcomes for the first coin, two possible outcomes for the second coin, two possible outcomes for the third coin, and two possible outcomes for the fourth coin. Therefore, the total number of possible outcomes is 2 × 2 × 2 × 2 = 16.
Therefore, the number of simple events in this experiment is 16, which is option (c).
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Can you make a triangle with side lengths of 2 inches and 2 inches and 4 inches?
Answers
Answer: No you can not make any triangles with 2 inches, 2 inches and 4 inches. hoped this helped!
Step-by-step explanation:
HELP PLEASE!!!!!!
Write the missing improper fraction in each box. Express the answers in simplest form.
Answers
Answer:13/8 and 7/4. 2/1 then 5/2 and 21/8
Step-by-step explanation: If you continue the pattern, you get 13/8 which is already simplified because 13 is a primw number. Then 14/8 which simplifies to 7/4 if divided by 2. Similar process for other ones
PLS HELP MEEEEEEEEEE !!!!
Answers
Answer:
Step-by-step explanation:
Ok;
1. Area is base times height.
Here shown, the base is 18cm and the height is 11cm. Don't be fooled by the 14cm for it is just the leg of a triangle not full height!!
18*11=198cm^2
2. Divide by two. We just caculated the area of the rectangle. Now we know a triangle is half of a rectangle's area so divide by 2!
198/2= 98cm^2
tom and saam are speed skaters. tom skates 44 ft/sec, and saam 50ft/sec. if saam is 120 ft behind tom when they are skating in the same direction, how long will it take saam to catch up to tom?
Answers
They are skating in the same direction, how long will it take Sam to catch up to tom
will take Sam 2.72 seconds to catch up to Tom.
Average speed is defined as the ratio of the total distance traveled by a body to the total time taken for the body to reach its destination.
To find out how long it will take Sam to catch up to Tom, we can use the following formula:
time = distance / (rate of Sam- the rate of Tom)
In this case, the distance is 120 ft (the distance between Tom and Sam when they start speed skating) and rate of Sam is 50 ft/sec, and the rate of Tom is 44 ft/sec.
Plugging these values into the formula, we get:
time = 120 / (50 - 44) = 120 / 6 = 20
So it will take Sam 20 seconds to catch up to Tom.
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What are the main advantages of using a random forest versus a single decision tree?.
Answers
The main advantages of using a random forest versus a single decision tree is that Random forest algorithm avoids and prevents overfitting by using multiple trees.
Random forest replaces the data used to build the tree and also the explanatory variables are bootstrapped so that partition is not done on the same important variable whereas decision trees do not follow this algorithm. Bootstrapping reduces bias and variance both which makes the model more robust and accurate.
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Which equation of a line of best-fit reflects a negative correlation?.
Answers
The equation of a line of best-fit that reflects a negative correlation is y = mx + b, where the slope m is negative.
When analyzing a scatter plot, a negative correlation indicates that as the independent variable increases, the dependent variable decreases. In the equation y = mx + b, the negative slope m represents the rate of decrease in the dependent variable for each unit increase in the independent variable. A negative slope means that as the x-values increase, the corresponding y-values decrease. The y-intercept b represents the value of the dependent variable when the independent variable is zero. Thus, the equation y = mx + b with a negative slope indicates a negative correlation between the variables being studied.
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"What is the equation of the line of best fit that represents a negative correlation between two variables?"
Quadrilateral HIJK is similar to quadrilateral LMNO. Find the measure of side OL. Round your answer to the nearest tenth if necessary. Figures are not drawn to scale.
Answers
Answer:
x = 77.5
Step-by-step explanation:
1. Use cross-multiplication to find x.
\(\frac{13}{21} =\frac{48}{x}\)
\(13x =1008\)
2. Divide and round.
x ≈ 77.5
A committee consisting of three people is to be selected from ten members. How many ways are there to select the committee of three people
Answers
Answer:
120
Step-by-step explanation:
10 choose 3
theres really no simple way to do that with work unless you have a fancy calculator.