Step-by-step explanation:
First prism:
V= 3/4×1/2×1/4= 3/32 in.
Second prism:
V=1/4×1/4×1/4= 1/64 in.
First prism: 3/32 but with same denominator as the second prism it is 6/64 in.
Second prism: 1/64 in.
( This down below is the difference of two volumes)
First prism-Second prism= 6/64 - 1/64= 5/64
Clara surveyed 12 elementary school students in a regional spelling bee.
Is this a random sample of elementary school students?
yes
no
Answer:
No, it isn't a random sample of students because Clara surveyed students in a regional spelling bee so instead it would be a survey of the kids in the spelling bee.
Please help me out! I’ve been on this question for like 20 minutes and I’m really confused lol
Answer:
2/1
Step-by-step explanation:
Formula for slope is (y2 - y1)/ (x2 - x1)
In this case, it is (8 - 4)/ (5 - 3)
Which is evaluated to be 4/2
And simplified to 2/1.
The financial planner for a beauty products manufacturer develops the system of equations below to determine how many combs must be sold to generate a profit. the linear equation models the income, in dollars, from selling x plastic combs; the quadratic equation models the cost, in dollars, to produce x plastic combs. according to the model, for what price is each comb being sold? startlayout enlarged left-brace 1st row y = startfraction x over 2 endfraction 2nd row y = negative 0.03 (x minus 95) squared 550 $0.03 $0.50 $0.95 $2.00
The price of each comb is $0.5, and the total income from selling x plastic combs is y = x/2
What is an equation?An equation is an expression that shows the relationship between two or more number and variables.
The linear equation y = x/2 models the income, in dollars, from selling x plastic combs. Hence:
Price of each comb = (x/2) / x = 0.5
The price of each comb is $0.5, and the total income from selling x plastic combs is y = x/2
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Answer: B. $0.50
Step-by-step explanation:
Took the Test/Exam
The cost, in dollars, for a video game developer to code g games can be represented by the function v(g) . The number of games produced in w weeks is given by the function g(w) = 4w.
After w weeks, the expression for the total cost of games is 250 + 4000w.
What is Expression?
Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows: Expression: (Math Operator, Number/Variable, Math Operator)
An algebraic expression known as a linear expression has terms that are either constants or variables raised to the first power. Alternatively put, none of the exponents can be greater than 1.
As an illustration, while x is a variable raised to the first power, x2 is a variable raised to the second power. An illustration of a constant is 5.
Linear expressions are what the two expressions are. One variable raised to the power of one makes up a linear expression.
250 + 1000g.
Where: g(w) = 4w.
250 + 1000(4w).
250 + 4000w.
Therefore, number of games produced in w weeks is 250 + 4000w.
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For which system of equations is the graph below a solution
Answer:
what is the equation for D?
Step-by-step explanation:
Answer: A
Step-by-step explanation:
Liz flips a coin 60 times. The coin lands heads up 42 times and tails up 18 times. Complete eachstatement.The theoretical probability of the coin landing heads up is [%.
Given:
The number of times coin flipped is N = 60.
The number of heads is n(H) = 42.
The number of tails is n(T) = 18.
The objective is to find the theoretical probability of coin landing heads up.
Explanation:
The general probability of coin landing heads is,
\(P(H)=\frac{n(H)}{N}\text{ . . . . . .(1)}\)On plugging the given values in equation (1),
\(P(H)=\frac{42}{60}=0.7\)To obtain the percentage of probability,
\(\begin{gathered} P(H)=0.7\times100 \\ =70\text{ \%} \end{gathered}\)Hence, the probability of the coin landing heads up is 70%.
All I need is the answer on decimals
Answer:
3
Step-by-step explanation:
a point p is located inside the unit square abcd with a(0,0) b(
the distance from point P to the closest edge of the unit square can be found by taking the minimum of the distances from point P to each of the four edges.
First, it is important to note that the unit square has sides of length 1 unit, and its vertices are located at (0,0), (1,0), (1,1), and (0,1). Point P, which is located inside the unit square, can be represented by its coordinates (x,y), where 0 < x < 1 and 0 < y < 1.
In order to find the distance from point P to the closest edge of the unit square, we must consider the distances from point P to each of the four edges individually. To do this, we can use the distance formula, which states that the distance between two points (x1,y1) and (x2,y2) is given by the formula:
distance = sqrt((x2 - x1)^2 + (y2 - y1)^2)
For example, the distance from point P to the bottom edge of the unit square (which extends from (0,0) to (1,0)) is given by:
distance = sqrt((x - 0)^2 + (y - 0)^2)
Similarly, the distances from point P to the right, top, and left edges of the unit square can be found using the distance formula and the coordinates of the respective vertices.
Once we have calculated the distances from point P to each of the four edges, we can determine the closest edge by taking the minimum of these distances. This will give us the distance from point P to the closest edge of the unit square.
In summary, distance from point P to the closest edge of the unit square can be found by calculating the distances from point P to each of the four edges using the distance formula, and then taking the minimum of these distances.
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What is the value of this expression
-16+12
A.-28
B.-4
C.4
D.28
Quick algebra 1 assignment for some points and brainliest!
(EASIER THAN IT LOOKS)
Only help if you know the answer PLEASE HELP EXPERTS AND GENIUSES ITS DUE TOMMAROW
(ANSWER ALL 4 PARTS OF THE ASSIGNMENT PLEASE :p )
1. The 100 prisoner experiment: 100 prisoners are about to be executed (you can use paper stick figures to model 100 prisoners, or you can do about 10), but the warden has agreed to allow all prisoners to be commuted to a 6-month sentence if they can pass one game. The game states that 100 pieces of paper with each of the prisoner's numbers are to be randomly shuffled into boxes that have random prisoner's numbers (where the number on the paper does not match the number on the boxes.) Each prisoner is allowed to open 50 boxes to find their number such that they have a \(\frac{1}{2}\) chance of finding their number. If you find your number, you are cleared to another room to wait. If you don't, then you've messed up huge. If even one prisoner does not find their number, all the prisoners die. If all of the prisoners find their numbers, they all get 6-month sentences instead. The chance of all the prisoners randomly finding their numbers is \((\frac{1}{2})^{100}\), which is about a 0.0000000000000000000000000000008% chance. 30 zeros after the decimal placement. For reference, two people have a better chance of picking up the same grain of sand from any of the beaches in the world than finding their numbers randomly.
The Vickrey Auction can be modeled into an experiment by testing people's psychological thinking. You can do this with any of your friends. In a Vickrey auction, you put your bids into a closed letter. For an item, the highest bidder wins the auction, but does not pay what he or she put their bid under in the auction, but rather pays what the second bidder had bidded. It teaches people to be more honest, because if you bid the highest and win, you pay the second-highest bidder's payment, which could also be almost equally as high and could cost you a fortune for an undervalued item.
Another great experiment you can do is to measure the different unsynchronizations of analog clocks that are not close together. Scientists have measured atomic clocks that are just a millimeter apart that start ticking in different measures.
2. I select the 100-prisoner experiment.
3. A curved graph like -x^2 would fit perfectly.
4. A quadratic function would fit my experiment the best. The best graph to use would be \(y = -x^2\). An equation with a large curve would be the best for this type of experiment to graph success and failure. More than three quarters of my graph wouls be full of failure and maybe a little more than 10% would be full of success if repeated over 100,000 times. I am not too sure though.
Help me I need an answer please
Answer:
200 is not a perfect square because the square root of 200 is 14.14. The cubed root of 200 is 5.85. Because neither answer is a whole number (in both answers, there were more numbers after, but I rounded), I wouldn't classify 200 as a perfect square or a cube.
Step-by-step explanation:
8) A bag contains 5 red marbles and
4 blue marbles. Find the probability of
drawing a blue marble, keeping it, and
drawing another blue marble. Write the
probability as a fraction in simplest form.
2/3
Step-by-step explanation:
the anwser would be either 2/3 or 1/3
can some one explain how this would be congruent will mark brainly
Answer:
Add the area of each object.
Step-by-step explanation:
a=4 (add up the two squares in the middle. Then, add up the triangles.)
b=4 (add up the two squares in the middle. Then, add up the triangles.)
In conclution, they are both congruent but just rotated differently.
triangle QRS has vertices Q(-2,2), R(-3,-4) , and
S(1,-2).Write the coordinate notation for each translation given.
Then write the coordinates of Q'R'S' after each translation.
The coordinate notation for each translation given is (x, y) = (x + 7, y - 4), while the coordinates of Q'R'S' after each translation is Q' = (5, -2), R = (4, 0) and S = (8, -6)
How to determine the transformation?The coordinates of the triangle are given as:
Q = (-2, 2)
R = (-3, 4)
S = (1, -2)
The translation is given as:
7 units right and 4 units down
This is represented as:
(x, y) = (x + 7, y - 4)
So, we have:
Q' = (5, -2)
R = (4, 0)
S = (8, -6)
Hence, the coordinate notation for each translation given is (x, y) = (x + 7, y - 4), while the coordinates of Q'R'S' after each translation is Q' = (5, -2), R = (4, 0) and S = (8, -6)
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Complete question
Triangle QRS has vertices Q(-2,2), R(-3,-4) , and S(1,-2).
Write the coordinate notation for each translation given.
Then write the coordinates of Q'R'S' after each translation.
7 units right and 4 units down
an elisa for hepatitis c has 95 percent sensitivity and 90 percent specificity. this means that the test
It indicates that the test is highly accurate in correctly identifying individuals with hepatitis C (high sensitivity) and accurately ruling out individuals without the disease (high specificity).
Sensitivity and specificity are two important measures of a diagnostic test's performance. Sensitivity refers to the test's ability to correctly identify individuals who have the condition, while specificity refers to its ability to correctly identify individuals who do not have the condition.
In the case of the ELISA test for hepatitis C, a sensitivity of 95% means that the test will correctly identify 95% of individuals who actually have hepatitis C as positive. This indicates a high probability of detecting the disease when it is present.
On the other hand, a specificity of 90% means that the test will correctly identify 90% of individuals who do not have hepatitis C as negative. This suggests that there is a 10% chance of a false positive result, where individuals without the disease are mistakenly identified as positive.
Overall, the high sensitivity and specificity of the ELISA test for hepatitis C make it a valuable tool in the diagnosis and screening of individuals for this infectious disease. However, it is important to consider that no test is 100% accurate, and false results can still occur. Therefore, additional confirmatory tests may be required in certain cases to ensure accurate diagnosis and appropriate medical intervention.
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9. Fernando paid $46.40 for 4 movie tickets. Each ticket cost the same amount. What was the cost of each movie ticket in dollars and cents?
Answer:
11.6 per ticket
Step-by-step explanation:
All you do is 46.40 divided by 4 and you get 11.6.
1- Which of the following has had the greatest success treating major depression? Select one
A) MAO inhibitors
B) Lithium
C) tricyclic
D) SSRIs
2- Believing that you are being singled out for attention is a (an) Select one
A) delusion of persecution
B) delusion of reference
C) delusion of orientation
D) delusion of grandeur
1. The option D) SSRIs, The greatest success in treating major depression has been observed with the use of selective serotonin reuptake inhibitors (SSRIs).
These drugs are a type of antidepressant that work by increasing the levels of serotonin in the brain. SSRIs are considered to be the most effective medication for the treatment of depression, particularly in the long-term.
2. the option B) delusion of reference ,A belief that an individual is being singled out for attention is known as delusion of reference. Delusions are a common symptom of schizophrenia and other psychotic disorders.
A delusion of reference is characterized by the belief that everyday events or objects have a special meaning that is directed specifically towards the individual. For example, an individual with this delusion may believe that the radio is broadcasting a message meant for them or that strangers on the street are staring at them because they are part of a conspiracy.
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What’s the length of HI?
Answer:
3
Step-by-step explanation:
HJ = 9 and IJ = 6.
HJ = HI + IJ
9 = HI + 6
HI = 9-6=3
a newsletter publisher believes that 48% of their readers own a laptop. a testing firm believes this is inaccurate and performs a test to dispute the publisher's claim. after performing a test at the 0.10 level of significance, the testing firm fails to reject the null hypothesis. what is the conclusion regarding the publisher's claim?
At the 0.10 level of significance, the evidence is insufficient to disprove the assertion that the proportion is 48%.
Based on the given conditions,
The analyst or researcher establishes a null hypothesis based on the research question or problem that they are trying to answer. Depending on the question, the null may be identified differently. For example, if the question is simply whether an effect exists (e.g., does X influence Y?) the null hypothesis could be H0: X = 0. If the question is instead, is X the same as Y, the H0 would be X = Y. If it is that the effect of X on Y is positive, H0 would be X > 0. If the resulting analysis shows an effect that is statistically significantly different from zero, the null can be rejected.
Let's start by outlining the research's null and alternate hypotheses;
A newsletter publisher believes that 60`% of their readers own a Rolls Royce.
This means that the null hypothesis is:
H0: p = 0.48
That is, that the proportion of their readers who own a Rolls Royce is of 0.48.
A testing firm believes this is inaccurate and performs a test to dispute the publisher's claim.
The alternate hypothesis is:
Ha: p ≠ 0.48
Now that he fails to disprove the null hypothesis based on the evidence, we will draw the following conclusion:
Therefore,
At the 0.10 level of significance, the evidence is insufficient to disprove the assertion that the proportion is 48%.
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Calculate the amount and compound interest on
i) ₹15000 for 2 years at 10% per annum compounded annually.
ii) ₹15620 for 3/2 years at 8% per annum compounded half yearly.
iii) ₹100000 for 9 months at 4% per annum compounded quarterly.
Answer:
Below in bold.
Step-by-step explanation:
i) Amount = 15000(1 + 0.10)^2 = 18,150.
Interest = 3,150.
ii) Amount = 15620(1 + 0.08/2)^(3/2*2)
= 15620(1 + 0.04)^3
= 17,570.38.
Interest =1,950.38.
iii) Amount = 100000(1 + 0.04/4)^(3)
= 100000(1 + 0.01)^3
= 103,030.1
Interest = 3030.1.
1A)
Find the mass and center of mass of the plate that occupies the region Ω and has the density function λ.
Ω:0≤ x ≤5,0 ≤y≤ 25−x sqrt (25-x^2)
λ(x,y)=2xy
a) M=625/8,xM=8/3,yM=8/3
b) M=625/4,xM=1250/3,yM=1250/3
c) M=625/2,xM=8/3,yM=8/3
d) M=625/2,xM=16/3,yM=1/63
e) M=625/4,xM=8/3,yM=8/3
f) None of these.
1B)
Find the mass and center of mass of the plate that occupies the region Ω and has the density function λ.
1C)
Find the mass and center of mass of the plate that occupies the region Ω and has the density function λ.
Ω:−1≤x≤1,0≤y≤4
λ(x,y)=x2
a) M=16/3,xM=0,yM=2
b) M=8/3,xM=2,yM=0
c) M=8/3,xM=0,yM=2
d) M=8/3,xM=0,yM=16/3
e) M=4/3,xM=0,yM=2
f) None of these.
Ω:0 ≤x≤ 3,x^2≤y≤9
λ(x,y)=2xy
a) M=243,xM=2916/7,yM=6561/4
b) M=243,xM=12/7,yM=27/4
c) M=243/2,xM=12/7,yM=27/4
d) M=243,xM=27/4,yM=12/7
e) M=486,xM=12/7,yM=27/4
f) None of these.
A the center of mass is\($(x_{M},y_{M})=(0,2)$.\) The answer is (a).
B the center of mass is \($(x_{M},y_{M})=(\frac{2916}{7\cdot243},\frac{6561}{4\cdot243})$\). The answer is (a).
C the center of mass is\($(x_{M},y_{M})=(0,2)$.\) The answer is (a).
1A) We can find the mass by integrating the density function over the region:
\($$M=\iint_{\Omega}\lambda(x,y)dA=\int_{0}^{5}\int_{0}^{25-x\sqrt{25-x^2}}2xydydx$$\)
Evaluating this integral gives \($M=\frac{625}{8}$.\) To find the center of mass, we need to compute the moments:
\($$M_{x}=\iint_{\Omega}x\lambda(x,y)dA=\int_{0}^{5}\int_{0}^{25-x\sqrt{25-x^2}}2x^2ydydx=\frac{8}{3}M$$\\$$M_{y}=\iint_{\Omega}y\lambda(x,y)dA=\int_{0}^{5}\int_{0}^{25-x\sqrt{25-x^2}}2xy^2dydx=\frac{8}{3}M$$\)
So the center of mass is \($(x_{M},y_{M})=(\frac{8}{3},\frac{8}{3})$\). Therefore, the answer is (a).
1B) Since the question only asks for the mass and center of mass, we can use the same method as in 1A to get \($M=\int_{-1}^{1}\int_{0}^{4}x^2dydx=\frac{16}{3}$\). To find the moments, we have:
\($$M_{x}=\int_{-1}^{1}\int_{0}^{4}x^3dydx=0$$\\$$M_{y}=\int_{-1}^{1}\int_{0}^{4}xy^2dydx=2\int_{0}^{1}\int_{0}^{4}xy^2dydx=\frac{16}{3}$$\)
Therefore, the center of mass is\($(x_{M},y_{M})=(0,2)$.\) The answer is (a).
1C) Using the same method as in 1A, we have:
\($$M=\int_{0}^{3}\int_{x^2}^{9}2xydydx=\frac{243}{2}$$\)
To find the moments, we have:
\($$M_{x}=\int_{0}^{3}\int_{x^2}^{9}x2xydydx=\frac{2916}{7}$$\\$$M_{y}=\int_{0}^{3}\int_{x^2}^{9}y2xydydx=\frac{6561}{4}$$\)
Therefore, the center of mass is \($(x_{M},y_{M})=(\frac{2916}{7\cdot243},\frac{6561}{4\cdot243})$\). The answer is (a).
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Conditional Probability
The conditional probability is solved and
a) P ( uses I | does not use S ) = 45/120 = 0.375 = 37.5 %
b) P ( does not use I | use S ) = 25/120 = 0.2083 = 20.83 %
Given data ,
From the Venn diagram , we can see that
The probability of choosing I and not choosing S is given by P ( A ) = 45/120
And , The probability of choosing S and not choosing I is given by P ( A ) = 25/120
Hence , the probabilities are solved
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Candice is cleaning the office building's 200-gallon aquarium. For
cleaning, she must remove the fish from the aquarium and drain the
water. The water drains at a constant rate of 10 gallons per minute.
• independent quantity:
?
• dependent quantity:
?
I need the independent quantity + dependent quantity. Using the image I need the exact graph that fits this problem.
Using function concepts, we have that:
The independent quantity is the time.The dependent quantity is the volume.Graph H fits this problem.What is the relation between a function and the dependent and independent variables?A function has the following format: y = f(x).
In which each value of y is a function of one value of x, and thus, x is the independent variable and y is the dependent variable.
That is, the input of the function is the independent variable and the output is the dependent variable.
For this problem, the volume is a function of time, hence Volume = f(Time) and:
The independent quantity is the time.The dependent quantity is the volume.The decay rate is constant, meaning that we have a decreasing linear function, and graph H fits this problem.
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PLS HELP WILL GIVE BRAINLIEST
Answer:
3.52BAStep-by-step explanation:
Middle School:
Find the median by arranging the data points from smallest to largest.
1, 1, 1, 3, 4, 4, 5, 6 (Take the average of the two points in the middle, 3 and 4)
7/2 = 3.5
High School:
1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4 (Take the average of the two points in the middle, 2 and 2)
4/2 = 2
Most of the points in the middle school plot are four or less.
A (High school students had more variation.)
Find the value of the given expression.
(see the image)
Answer:
d. 14
Step-by-step explanation:
3(2) = 3 × 2 = 6Plug 6 in: 12 + {10 ÷ [11 - 6]}11 - 6 = 5Plug 5 in: 12 + {10 ÷ 5}10 ÷ 5 = 2Plug 2 in: 12 + 212 + 2 = 14I hope this helps!
PLEASE ANSWER ASAP!!! Solve for X. 15=7x+3-5x X=_(simplify your answer)
Answer:
X=6
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
15=7x+3−5x
15=7x+3+−5x
15=(7x+−5x)+(3)(Combine Like Terms)
15=2x+3
15=2x+3
Step 2: Flip the equation.
2x+3=15
Step 3: Subtract 3 from both sides.
2x+3−3=15−3
2x=12
Step 4: Divide both sides by 2.
2x2=122
x=6
Answer:
x=6
Evaluate the expression??
-5/k+1 for k =-1
Answer:
undefined
Step-by-step explanation:
Order of Operations: BPEMDAS
Step 1: Define
-5/(k + 1)
k = -1
Step 2: Substitute and Evaluate
-5/(-1 + 1)
-5/0
undefined (we cannot divide anything by 0)
A camera shop stocks six different types of batteries, one of which is type A7b. Suppose that the camera shop has only twelve A7b batteries but at least twenty of each of the other types. Now, choose the correct answer for the following question - How many ways can a total inventory of twenty batteries be distributed among the six different types? C(24, 20) - C(12,7) C(25, 20) - C(12,7) C(20, 15) - C(13,7) C(25, 20) - C(13,7)
D: C(25, 20) - C(13,7) represents the number of ways a total inventory of twenty batteries be distributed among the six different types.
To find the total number of ways to distribute the twenty batteries among the six different types, we need to use the stars and bars method. Using this method, the number of ways to distribute 20 batteries among 6 different types is C(20 + 6 - 1, 6 - 1) = C(25, 5).
However, since we have only 12 A7b batteries, we need to subtract the cases where we distribute more than 12 A7b batteries. To do this, we calculate the number of ways to distribute the remaining 8 batteries among the 5 types other than A7b, which is C(8+5-1, 5-1) = C(12,4). Therefore, the total number of ways to distribute 20 batteries among the six different types while keeping at least 12 A7b batteries is C(25, 5) - C(12, 4) = C(25, 20) - C(13, 7).
The correct answer is option D.
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This is for a test helppppp!
Linear relationship.
The slope value of the linear relationship tells us how much Austin pays to his friend weekly, which is: $8.
How to Find the Slope of a Linear Relationship?A linear relationship between two variables, x and y, can be defined by the equation, y = mx + b, where the value of m is the slope and b is the y-intercept or starting value.
If we have a table that represents a linear relationship between two variables, x and y, what we need to do is to use two pairs of values from the table to find the change in y / change in x.
In this context, L = amount Austin owes his friend for t weeks, so the slope will be the amount Austin pays to his friend every week = change in L / change in t.
Using two pair of values from the table, (1, 32) and (4, 8):
Slope (m) = change in L / change in t = (32 - 8) / (1 - 4)
Slope (m) = 24/-3
m = -8
Therefore, the amount Austin will be paying to his friend weekly would be $8.
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