Answer: 110 degrees
Step-by-step explanation:
Grace was cutting out paper snowflakes for the upcoming
school dance. It will take her 20 minutes to make the large
snowflake. It takes her 5 minutes to make each of the
smaller snowflakes. Grace only has 60 minutes to work on
snowflakes before she goes to soccer practice.
Write and solve an inequality that represents n, the
number of smaller snowflakes Grace will have time to
finish. Show your work algebraically.
Answer:
12 small snowflakes
Step-by-step explanation:
if she only has 60 minutes to make them and each small snowflake takes 5 minutes, then we solve with the equation:
n = 60/5
*edit: i forgot how to write an equality lol, that isn't the answer
Answer:
12 small snowflakes
Step-by-step explanation:
Because the math equals out to that
Suppose that public opinion in a large city is 72 percent in favor of allowing a large recycling plant to be constructed using taxpayer funds and 28 percent against such a build. If a random sample of 300 people from this city is interviewed, what is the approximate probability that more than 100 of these people will be against increasing taxes? Are we suppose to use binomial distribution formula or the sampling distribution of the proportion formula for this problem?
The approximate probability that more than 100 of these people will be against increasing taxes is 0.99887
To find the probability that more than 100 of these people will be against increasing taxes given a random sample of 300 people from this city.
The formula to find the probability of the number of successes in a given number of trials is the Binomial distribution formula.
The binomial distribution is used when we have a fixed number of independent trials, two possible outcomes, success or failure and constant probability of success.
Suppose p is the probability of success and q is the probability of failure, then, the probability of obtaining exactly k successes in n independent trials is given by;
P (k) = (nCk) pk q(n-k)where nCk is the number of combinations of n things taken k at a time.
p = 28/100
q = 1-p = 72/100
n = 300
We want to find the probability that more than 100 of these people will be against increasing taxes.
P(X > 100) = 1 - P(X ≤ 100)For k=100,P (X ≤ 100) = (300C100) (0.28)100(0.72)200 = 0.00113
Approximately, the probability that more than 100 of these people will be against increasing taxes is given as: 0.99887
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Answer ASAP, please!!!!!! Will mark brainliest!!!!! 25 points!!!!!
Explain how the Distributive Property can be used to expand the expression on the left side of the equation.
3(x + 4) = 36.
A. Add 3 to each term inside the parentheses.
B. Subtract 3 from each term inside the parentheses.
C. Multiply each term inside the parentheses by 3.
D. Divide both terms inside the parentheses by 3.
Answer:
C
Step-by-step explanation:
The 3 is directly outside the parentheses, meaning you need to distribute the 3 to the x and the 4 because they are inside the parentheses. There is no addition, subtraction, or division involved in this so C is correct.
Answer:
C
Step-by-step explanation:
i took the test
2. Your anthropology class grade consists of 20% homework, 20% quizzes, 30% of a big project, and 30% of the final exam. Entering the final exam, you have earned 95% on homework, 82% on quizzes, and 89% on the project. What percentage should you earn on the final exam to have a 90% overall grade?
To determine the percentage you should earn on the final exam to have a 90% overall grade in your anthropology class, we need to consider the weights assigned to each component of the grade.
Homework contributes 20%, quizzes contribute 20%, the big project contributes 30%, and the final exam contributes 30% towards the overall grade.
Currently, you have earned 95% on homework (20% of the grade), 82% on quizzes (20% of the grade), and 89% on the big project (30% of the grade).
To calculate the required percentage on the final exam, we can use the weighted average formula.
The current weighted average is calculated as:
(0.2 * 95) + (0.2 * 82) + (0.3 * 89) = 19 + 16.4 + 26.7 = 62.1.
To achieve a 90% overall grade, the weighted average of all the components should be equal to 90.
Let x be the percentage you need to earn on the final exam.
The equation becomes:
(0.2 * 95) + (0.2 * 82) + (0.3 * 89) + (0.3 * x) = 90.
Simplifying the equation:
62.1 + (0.3 * x) = 90.
0.3 * x = 27.9.
x = 27.9 / 0.3.
x ≈ 93.
Therefore, you should aim to earn approximately 93% on the final exam to achieve a 90% overall grade in your anthropology class.
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find the function y(x) satisfying dy dx=3x−8/9 and y(−1)=−6.
we first found the antiderivative of (3x-8)/9, which allowed us to write the general solution to the differential equation. We then used the initial condition y(-1) = -6 to find the specific value of the constant of integration. Finally, we obtained the function y(x) that satisfies the differential equation dy/dx = (3x-8)/9 and y(-1) = -6.
To find the function y(x) that satisfies the differential equation dy/dx = (3x-8)/9 and y(-1) = -6, we need to integrate both sides of the equation with respect to x.
The antiderivative of (3x-8)/9 is (3/18)x^2 - (8/27)x + C, where C is an arbitrary constant of integration. Therefore, we have:
y(x) = (3/18)x^2 - (8/27)x + C
To determine the value of the constant C, we use the initial condition y(-1) = -6. Substituting x = -1 and y = -6 into the equation above, we get:
-6 = (3/18)(-1)^2 - (8/27)(-1) + C
Simplifying this expression, we get:
C = -5
Therefore, the function y(x) that satisfies the differential equation dy/dx = (3x-8)/9 and y(-1) = -6 is:
y(x) = (1/6)x^2 - (8/27)x - 5
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The steps for solving 7x + 3 = 52 are shown. Explain how each step helps solve the
equation. Include the phrases, "Isolate the variable by -" "Simplify," and "Isolate
the variable term by -" in your answers.
Original equation
7x +3 - 52
7x +3-3-52-3
7x = 49
7x49
TT
x = 7
Answer:
The steps for solving 7x + 3 = 52 are shown. Explain how each step helps solve the
Step-by-step explanation:
Simplifying
7x + 3 = 52
Reorder the terms:
3 + 7x = 52
Solving
3 + 7x = 52
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3' to each side of the equation.
3 + -3 + 7x = 52 + -3
Combine like terms: 3 + -3 = 0
0 + 7x = 52 + -3
7x = 52 + -3
Combine like terms: 52 + -3 = 49
7x = 49
Divide each side by '7'.
x = 7
Simplifying
x = 7
Which expression is equivalent to 10s+s-3s10s+s−3s?
Answer:
9s-3s10s or 3-10s
Step-by-step explanation:
10s+s-3s10s+s-3s
first of all, we collect like terms
10s+s+s-3s-3s10s
=9s-3s10s
it could also be equal to
9s/3s-(3s10s/3s)
3-10s
when we divide through by 3s
Find the product f(x) × g(x) for the functions f(x) = x - 10 and g(x) = 3x + 15.
Describe fully the single transformation which takes shape A to shape B
Answer:
Translation down by 1 then reflection over Y axis.
Step-by-step explanation:
calculate the surface area of the cylinder.
A. 351.9 cm²
B. 500 cm³
C. 140.4 cm²
D 301.7 cm²
Answer:
The answer is C
Step-by-step explanation:
Because when you
the following is a summary of a one-way between-subjects anova: f(2, 37) = 3.42, p < .05, η 2 = .12. how many pairwise comparisons need to be made for this anova result?
a.2
b.3
c.4
d.12
The pairwise comparisons that need to be made for this anova result will be b.3
How to calculate the valueIn order to determine the number of pairwise comparisons needed for a one-way between-subjects ANOVA with three groups, we can use the formula:
N = (k * (k-1)) / 2
Where N represents the number of pairwise comparisons and k represents the number of groups. In this case, k = 3.
Plugging in the values:
N = (3 * (3-1)) / 2
N = (3 * 2) / 2
N = 6 / 2
N = 3
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ABCD is a rhombus with m 25 = 3x+33 and m/2 = 4x-44, find x. Round to the nearest tenth.
The value of x is 77 in the rhombus ABCD.
What is Quadrilateral?a quadrilateral is a four-sided polygon, having four edges and four corners.
Given that ABCD is a rhombus with m 25 = 3x+33 and m/2 = 4x-44,
We need to find the value of x.
a rhombus is a quadrilateral whose four sides all have the same length
So 3x+33 =4x-44
Take the variable terms on one side and constant on other side
44+33=4x-3x
77=x
Hence, the value of x is 77 in the rhombus ABCD.
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HELP ASAP! Will name brainliest!
Answer:
The answer to your question is given in the attached photo.
Step-by-step explanation:
To determine the answer to the question,
First, we shall determine the value 3A.
This is obtained by multiplying matrix A by 3 as shown in the attached photo.
Next, we shall carry out the operation 3A – B as shown in the attached photo.
An equivalent form for a conditional statement is obtained by reversing and negating the antecedent and consequent. true or false
False. The statement you described is not an equivalent form for a conditional statement. The process you mentioned, which is reversing and negating the antecedent and consequent, is known as forming the contrapositive of the statement.
A conditional statement has the form "If P, then Q," where P is the antecedent and Q is the consequent. The contrapositive is formed by negating both the antecedent and consequent, and reversing their order: "If not Q, then not P." The contrapositive is equivalent to the original conditional statement.
However, simply reversing the antecedent and consequent without negating them gives you the converse, which is "If Q, then P." The converse is not equivalent to the original conditional statement.
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carbon-14 decays continuously at a rate of 0.0121% a year. if a 5-gram sample currently weighs 3.2-grams, how old is the sample?
Show your work
Answer:
Step-by-step explanation:
if 1 = 2 than 3 is 4
Identify a product/service that is currently in the decline stage. Use the Product Lifecycle Concept to explain why you believe the product/service is at that stage .
Describe the strategic options for companies that are competing in a declining market. Provide specific examples too illustrate what these strategic options entail and how they differ .
One product/service that is currently in the decline stage is DVD rentals. The decline can be attributed to the rapid rise of digital streaming platforms and the decreasing popularity of physical media. Companies competing in a declining market have strategic options such as harvesting and divesting. Harvesting involves maximizing profits from the declining product/service by reducing costs and maintaining a loyal customer base, while divesting involves exiting the market and reallocating resources to more profitable ventures.
DVD rentals are in the decline stage of the product lifecycle due to several factors. The advent of digital streaming platforms like Netflix, Hulu, and Amazon Prime Video has revolutionized the way people consume media. The convenience and vast content libraries offered by these platforms have led to a significant decline in DVD rentals. Moreover, the proliferation of high-speed internet connections and the increasing availability of streaming devices have made it easier for consumers to access digital content.
In a declining market, companies have strategic options to consider. One option is harvesting, which involves maximizing profits from the declining product/service. Companies can achieve this by reducing costs associated with production, distribution, and marketing, as the demand for the product/service diminishes. They may also focus on retaining their loyal customer base by providing incentives, discounts, or exclusive offers. For example, DVD rental companies may lower rental fees, offer bundle deals, or introduce loyalty programs to retain their remaining customers.
Another strategic option is divesting, which involves exiting the declining market altogether. Companies may choose to reallocate their resources to more profitable ventures or invest in emerging technologies or industries. In the case of DVD rentals, companies could divest by shutting down physical rental stores and selling off their DVD inventory. They could then shift their focus to digital streaming services or invest in other areas with growth potential, such as content production or streaming device manufacturing.
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Question 13(Multiple Choice Worth 4 points)
(01.06 LC)
Rearrange the equation A = 4xy to solve for X.
Ox
4y
A
Ox=
A
4y
OX=
4Ay
Х
X=
Ax
4y
Answer:
its
x = A/4y
Explanation:
when we send 4 and Y to the left hand side, their signs changes from multiplication to division and since they were in the numerator, they go to the denominator on the other side.
hope this helps.
Help me please
The question is in the picture above..
what is 23,578 times 39,344
Answer:927652832
Step-by-step explanation:
using long multiplication step by step multiply.
what are the domain and range?
Answer:
domain x [0,4] range y [0,64]
Step-by-step explanation:
The expression (a + 1)x^3 + (2 – 3a)x^2 – (3a – 1)x +
2a – 13 has a factor x – 3. Find the value of a and
hence find the other two factors of the expression.
Answer:
the other two factors, (2x+1)(3x+1)
Step-by-step explanation:
(a + 1)x³ + (2 – 3a)x² – (3a – 1)x + 2a – 13 = 0 ...(1)
x-3 = 0 x = 3
(a + 1)*3³ + (2 – 3a)*3² – (3a – 1)*3 + 2a – 13 = 0
-7a + 35 = 0
a = 5 .. substitute to (1)
6x³ -13x² – 14x -3 = 0
(x-3)(6x²+px+1) = 0 ..... 1*x * 6x² = 6x³, -3 * 1 = -3
6x³ +(p-18)x² +(1-3p)x -3 = 0
p-18 = -13
p = 5
6x²+5x+1 = (2x+1)(3x+1)
What is the value of (f+g)(5)if f(x)=7x-2 and g(x)=9x-4?
Answer:
74
Step-by-step explanation:
All you have to do it first add f(x)+ g(x) and then plug in x=5.
(f+g) = f(x) + g(x)
= (7x- 2) + (9x-4)
= 7x - 2 + 9x - 4
= 16x - 6
(f + g)(5) = 16(5) - 6
= 80 - 6
= 74
Linearity of expectation II) Let X,Y be random variables and a,b,c be constants. Use properties of integration/summation to show that E(aX+bY +c)= aEX +bEY + c Consider both the discrete and continuous cases.
In the case of discrete random variables, the expectation of a function is defined as the sum of the function's values multiplied by their probabilities:
E(aX + bY + c) = ∑(aX + bY + c)P(X,Y)
We can break down the sum using properties of summation:
= a∑XP(X,Y) + b∑YP(X,Y) + c∑P(X,Y)
Since the sum of probabilities over all events equals 1:
= aE(X) + bE(Y) + c
For the continuous case, the expectation of a function is defined as the integral of the function's values multiplied by the joint probability density function (PDF):
E(aX + bY + c) = ∫∫(aX + bY + c)f(X,Y)dXdY
We can break down the integral using properties of integration:
= a∫∫Xf(X,Y)dXdY + b∫∫Yf(X,Y)dXdY + c∫∫f(X,Y)dXdY
Again, since the integral of the joint PDF over all events equals 1:
= aE(X) + bE(Y) + c
Thus, we have shown that for both discrete and continuous cases, the linearity of expectation holds:
E(aX + bY + c) = aE(X) + bE(Y) + c
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Square numbers between 300 and 400
will mark brainlist!!!!!!!!!!
what is 4+m/5=2
Answer:
-10
Step-by-step explanation:
Subtract 4 from both sides
m/5 = -2
Multiply by 5
m = -10
Step-by-step explanation:
4+m/5 = 2
4+m =2*5
4+m = 10
m= 10 -4
='6
Answer ASAP 20 points for it
Type the correct expression for The product of 4 and a number t
Answer:
4t is the expression
Step-by-step explanation:
4×t
price $24.99
tax rate 5.5
calculate the sale tax
a quadrilateral has 1 pair of equal sides what 2 shapes can it be
Answer: Square and rectangle
Step-by-step explanation:
Hello I need help with my math homework number 17
17) its equivalence is 3(x + 2y + 1) (option A)
Explanation:\(\begin{gathered} Given: \\ 17)\text{ }3x\text{ + 6y + 3} \\ \\ We\text{ need to find the option that is equivalent to it} \end{gathered}\)To determine its equivalence, we will factorize the expression:
\(\begin{gathered} 3x\text{ + 6y + 3 } \\ 3\text{ is common to all the terms :} \\ 3x\text{ = 3\lparen x\rparen} \\ 6y\text{ = 3\lparen2y\rparen} \\ 3\text{ = 3}(1) \end{gathered}\)\(3x\text{ + 6y + 3 = 3\lparen x + 2y + 1\rparen}\)Hence, its equivalence is 3(x + 2y + 1) (option A)
100 points! Mhanifa please help! Look at the picture attached. I will mark brainliest. Random answers will be reported guys.
Steps by explanation:
for second one
centroid ={(1+3+5)/3,(2+4+0)/3}=(9/3,6/3)
=(3,2)