Help me... please....

Answer:

$12

Step-by-step explanation:

30x.4=12 dollars for fuel

Therefore, the speed of the boat for the first part was 10 mph, and the speed of the boat for the second part was 7 mph.

Speed is the measure of how quickly something or someone is moving. You can determine an object's average speed if you know how far it travelled and how long it took. Distance times speed equals speed.

Let's call the speed of the boat for the second part "x" mph. Then, according to the problem, the speed of the boat for the first part is "x+3" mph.

Let's also call the distance across the lake "d" miles.

Using the formula distance = rate × time, we can set up two equations based on the information given in the problem:

For the trip across the lake:

d = (x+3) × 7

For the trip back across the lake:

d = x × 10

Since both equations equal "d," we can set them equal to each other and solve for "x":

(x+3) × 7 = x × 10

7x + 21 = 10x

21 = 3x

x = 7 mph

So the speed of the boat for the second part is 7 mph. To find the speed of the boat for the first part, we can add 3 mph to get:

x+3 = 7+3 = 10 mph

Therefore, the speed of the boat for the first part was 10 mph, and the speed of the boat for the second part was 7 mph.

To know more about speed visit:

https://brainly.com/question/28224010

#SPJ1

Step-by-step explanation:

please tell me where is the equation.

Answer:

the answer you are looking for is C

Answer:

Step-by-step explanation:

5 < √x < 6

25 < x < 36

Alan = 30m² olan karenin kenar uzunlukları 5m ile 6m arasındadır.

Answer:

The price elasticity of demand, when using the midpoint​ formula, would be B.1.29.

How to find the price elasticity of demand ?

Price elasticity of demand = ((Q2 - Q1) / ((Q2 + Q1) / 2)) / ((P2 - P1) / ((P2 + P1) / 2))

where:

Q1 = initial quantity demanded = 20 units

Q2 = final quantity demanded = 15 units

P1 = initial price = $8

P2 = final price = $10

Substituting the values:

Price elasticity of demand = ((15 - 20) / ((15 + 20) / 2)) / (($10 - $8) / (($10 + $8) / 2))

= (-5 / 17.5) / (2 / 9)

= (-0.2857) / (0.2222)

= -1.2857

= 1. 29

Natalie’s net income for the month of October is $1,930.

The net income of a person is the income of the person that is left with him after deducting all of his\her expenses and deductions.

\(\rm Net\ Income = Total\ salary - Total\ expenses - Deductions\)

the total wage Natalie is already given is $3,000, and her expenses as $1,070, while there are no deductions from his salary. therefore,

\(\rm Natalie 's\ Net\ Income= Total\ salary - Total\ expenses - Deductions\)

                                 \(=\$3,000 - \$1,070 -\$0\\= \$1930\)

Hence, Natalie’s net income for the month of October is $1,930.

Learn more about Net Income:

https://brainly.com/question/25247632

Answer:

c

Step-by-step explanation:

Using the formula of area of a circle, about 226.08in² has been eaten

The diameter of the pizza is given as 24 inches. To calculate the area of the entire pizza, we need to use the formula for the area of a circle:

Area = π * r²

where π is approximately 3.14 and r is the radius of the circle.

Given that the diameter is 24 inches, the radius (r) would be half of the diameter, which is 12 inches.

Let's calculate the area of the entire pizza first:

Area = 3.14 * 12²

Area = 3.14 * 144

Area ≈ 452.16 square inches

Now, if half of the pizza is consumed, we need to calculate the area of half of the pizza. To do that, we divide the area of the entire pizza by 2:

Area of half of the pizza = 452.16 / 2

Area of half of the pizza ≈ 226.08 square inches

Therefore, if half of the pizza is consumed, approximately 226.08 square inches of pizza would be eaten.

Learn more on area of a circle here;

https://brainly.com/question/15673093

#SPJ1

The correct statements for the following terms are a. (xa)ᵇ = (xb)ᵃ and c. xᵃ/ᵇ = (x¹/ᵇ)ᵃ The statement is correct and can be explained as "if a is raised to the power b, and b is raised to the power a, the two expressions are equal.

"b. (xa)b ≠ bxᵃ - The statement is incorrect as the expression is true and can be simplified as "(xa)b can be simplified as xab, and bxᵃ can be simplified as xab. As both the expressions are equal, hence the statement is incorrect.

"c. xᵃ/ᵇ = (x¹/ᵇ)ᵃ - The statement is correct as the expression can be simplified as "(xᵇ)ᵃ / xᵇ = xᵃ / xᵇ. Now, the (xᵇ)ᵃ / xᵇ can be further simplified as xᵃ / x¹ which is equal to xᵃ. Hence, xᵃ/ᵇ = (x¹/ᵇ)ᵃ.

"d. xᵃ/xᵇ = 1/xᵃ⁻ᵇ - The statement is incorrect as the expression is true for xᵇ/xᵃ but not for xᵃ/xᵇ. Hence, the statement is incorrect.

e. None of the Above - As stated in points b and d, some of the above statements are incorrect. Hence, the statement 'None of the Above' is incorrect. The correct statements for the given terms are a and c.

To learn more about points, refer:-

https://brainly.com/question/7819843

#SPJ11

The Student Senate at a large university has 60 members, of which 20% are minorities. The probability of selecting only two minority students is 10.74%, making it surprising to have only two on the Senate. The expected number of minority students is 12, and having only two may indicate under-representation. The standard deviation of minority students is 1.94. If there were nine minority students, it would not necessarily indicate bias as it falls within the usual range of values.

Let n, the number of trials, is 60 since there are 60 students chosen to represent the entire student body in the Senate. Let p, the probability of success (i.e., selecting a minority student) on a single trial, is 0.20 since 20% of the student body is minority.

The probability of selecting only two minority students in the Senate can be calculated as P(x≤2) = P(x=0) + P(x=1) + P(x=2) = 0.1074. Therefore, there is a 10.74% chance of having only two minority students on the Senate purely by chance.

Based on the low probability in part c), it would be surprising to have only two minority members on the Senate. However, it's important to note that statistical probability alone cannot determine whether bias exists, as there may be other factors at play.

The Minority Caucus may have a reasonable complaint of under-representation, as the expected number of minority students on the Senate can be calculated as u = np = 60 * 0.20 = 12. Therefore, having only two minority students on the Senate is significantly lower than the expected number.

The standard deviation of the number of minority students selected can be calculated as σ = sqrt(np(1-p)) = 1.94.

If the Senate had nine minority students, the Minority Caucus would not have a strong case for racial bias. Assuming that the distribution of minority students selected follows a binomial distribution, the expected number of minority students would be u = np = 60 * 0.20 = 12, with a standard deviation of σ = 1.94.

Using the Empirical Rule, the usual range of values would be from u - 2σ to u + 2σ, which in this case would be from 8.12 to 15.88. Therefore, having nine minority students falls within the usual range of values, indicating that it is not necessarily a result of bias.

To know more about Probability:

https://brainly.com/question/11234923

#SPJ4

--The given question is incomplete, the complete question is given

" Using the binomial distribution. A Student Senate at a large university is made up of 60 students chosen to represent the entire student body. 20% of the students at this university are minorities. When the members of the senate are selected, only two members are minority students. The Minority Caucus claims that this Senate is racially biased. They decide to use statistics to support their claim. Let x be the number of minority students who are selected for the senate. Assume the binomial probability can be used as the university has a large student population (large enough to assume independence when sampling students) What is n? What is p? Calculate the probability of the Senate being made up of so few minority students purely by chance. That is, find P(xS2) for this binomial problem: Based on your answer to part b, would you be surprised if the Senate had only 2 minority members? Why or why not? Do you think the Minority Caucus is reasonable in their complaint of under- representation? Explain. Assuming that the senate represents the entire student body, how many minority students would you expect to be selected for the senate? You will need to find u for this. There is a shortcut to find the mean for a binomial distribution shown in the text. ur Find the standard deviation of the number of minority students selected. Again, use the shortcut for finding the standard deviation for a binomial distribution, 0= Now suppose that the Student Senate has 9 minority students. Could the Minority Caucus make a case for racial bias in this case? Explain your answer using the Empirical Rul bunu need to find +20 the usual range of values and include the range of values Find the standard deviation of the number of minority students selected. Again, use the shortcut for finding the standard deviation for a binomial distribution, 0 = Now suppose that the Student Senate has 9 minority students. Could the Minority Caucus make a case for racial bias in this case? Explain your answer using the Empirical Rule (you need to find to, the "usual range" of values and include the range of values in your answer:"--

There are 48 different possible outcomes.

The total number of possible outcomes in a scenario like this is determined by finding the product of the number of possible outcomes for each individual event.

Independent events are events that are not affected by each other and have no influence on each other's outcome. The probability of two independent events occurring together is the product of their individual probabilities.

When flipping a coin, there are 2 possible outcomes (heads or tails).

When rolling a fair die with 4 sides, there are 4 possible outcomes (1, 2, 3, or 4).

When rolling a fair die with 6 sides, there are 6 possible outcomes (1, 2, 3, 4, 5, or 6).

To find the total number of possible outcomes, we multiply the number of outcomes for each event:

2 * 4 * 6 = 48

Therefore, there are 48 different possible outcomes.

To know more about independent events refer to:

brainly.com/question/13488890

#SPJ4

Answer:

Step-by-step explanation:

Using the Pythagorean's theorem,

DO²=DG²+GO²=3²+3²=2*3²

DO=3√2

JO=DO-DJ=3√2-3=3(√2-1)

\(Circonference=2*\pi*3*(\sqrt{2} -1)=6*\pi*(\sqrt{2} -1)\) (cm)

≈7,8077... (cm)

(A) Compounded annually:
The formula for compound interest is A = P(1 + r/n)^(nt), where A is the amount, P is the principal, r is the interest rate, n is the number of times interest is compounded per year, and t is the number of years.

For annually compounded interest:
P = $850
r = 0.06
n = 1
t = 6

A = 850(1 + 0.06/1)^(1*6) = 850(1.06)^6 ≈ $1203.84
Interest earned = A - P ≈ $1203.84 - $850 = $353.84

(B) Compounded quarterly:
For quarterly compounded interest:
n = 4

A = 850(1 + 0.06/4)^(4*6) = 850(1.015)^24 ≈ $1214.08
Interest earned = A - P ≈ $1214.08 - $850 = $364.08

Learn more about compounded interest: https://brainly.com/question/28020457

#SPJ11

Answer:

Answer is B hope I’m right

Step-by-step explanation:

The function for total charge (C) in dollars  for b no. of buckets will be

C(b), is C(b) = 1.50b + 5.

A function can be defined as the outputs for a given set of inputs.

The inputs of a function are known as the independent variable and the outputs of a function are known as the dependent variable.

Given A batting cage charges a flat fee of $5 to practice and then $1.50 per bucket of balls.

The total charge is denoted by C and the no. of a bucket of balls is denoted by b.

∴ Our function for the total charge (C) in dollars  for b no. of buckets will be C(b),

Which is C(b) = 1.50b + 5.

learn more about function here :

https://brainly.com/question/21145944

#SPJ2

Answer:

5(-2+7+12)

-10+35+60

-10+95

=85

Answer:

(2^8 ⋅ 5^−5 ⋅ 19^0)^−2 ⋅ (5^-2/2^3)^4 ⋅ 2^28

= (2^-16 ⋅ 5^10 ⋅ 1)⋅(5^-8 / 2^12) ⋅ 2^28

= 2^(-16-12+28) ⋅ 5^(10-8)

= 2^0 ⋅ 5^2

= 1 ⋅ 25

= 25

Step-by-step explanation:

Answer:

(a, b, c) = (3, 12, 13)

Step-by-step explanation:

Due to Brainly's limitations with the equation feature, I can't show work...

If they have updates I'll 100% come back and edit this problem to show more work, but there's your answers.

The rocket has traveled horizontally 415 yards from where it was launched, and its height above the ground can be determined based on additional information.

To solve this problem, we can draw a diagram to visualize the situation. Let's label the values we know:

Angle of launch: The rocket is fired at an angle of 0.94 radians from the ground.

Horizontal distance traveled: We are given that the rocket has traveled 415 yards.

Based on the angle of launch, we can decompose the rocket's motion into horizontal and vertical components. The horizontal component represents the distance traveled horizontally, and the vertical component represents the height above the ground.

Since the horizontal distance traveled is given as 415 yards, we can directly conclude that the rocket has traveled 415 yards horizontally from where it was launched.

To determine the rocket's height above the ground, we need additional information. This could include the initial velocity of the rocket, the time of flight, or the maximum height reached. Without this information, we cannot calculate the exact height of the rocket above the ground.

Therefore, the horizontal distance traveled is 415 yards, but the rocket's height above the ground cannot be determined without further data.

Learn more from Angle of launch here:

brainly.com/question/31237096

#SPJ11

The -1 part is not inside the natural log.

==============================================

Work Shown:

1 + 2*e^(x+1) = 9

2*e^(x+1) = 9-1

2*e^(x+1) = 8

e^(x+1) = 8/2

e^(x+1) = 4

x+1 = Ln(4)

x = Ln(4) - 1

The sum of the series is:

\(\sum_{n=1}^{\infty} \frac{8n}{8^n} \\\\= \sum_{n=1}^{\infty} \frac{1}{8^{n-1}} =\\\\ \frac{1}{1-1/8} \\\\= \boxed{\frac{8}{7}}\)

Using sigma notation, we can write the given expression as an infinite series as follows:

\(\sum_{n=1}^{\infty} \frac{8n}{8^n}\)

We can simplify this series using the formula for the sum of an infinite geometric series.

Recall that for a geometric series with first term a and common ratio r, the sum of the series is given by:

\(\sum_{n=1}^{\infty} ar^{n-1} = \frac{a}{1-r}\)

In this case, we have a=8/8 = 1 and r=1/8.

Know more about series here:

https://brainly.com/question/26263191

#SPJ11

The quadrants is tan⁻¹x restricted is A. Quadrants I and IV

To answer the question, we need to know what tan⁻¹x is.

tan⁻¹x is the inverse trigonometric function of tanx, which is the value of the angle for tanx.

To find the quadrants in which tan⁻¹x is restricted, we know that tanx lies in the range

-∞ ≤ tanx ≤ +∞ for -90° ≤ x ≤ 90°.

tan⁻¹x lies between quadrant I and IV

So, the quadrants is tan⁻¹x restricted is A. Quadrants I and IV

Learn more about tan⁻¹x here:

https://brainly.com/question/20334292

#SPJ1

Answer:

21

Step-by-step explanation:

,,,,,,,cv ki uh j ju j jui in UK juui

Answer: I think its (0,2c)

Step-by-step explanation:

One possible solution that could be used to address the problems caused by the Electoral College is "electoral reform."

Popular Vote: One approach is to replace the Electoral College with a system where the President is directly elected by a popular vote. This would eliminate the possibility of a candidate winning the presidency while losing the popular vote, as has happened in some elections.

Proportional Representation: Another option is to implement a proportional representation system, where the allocation of electors is based on the percentage of votes a candidate or party receives in each state. This would ensure a more proportional representation of voters' preferences and reduce the influence of winner-takes-all mechanisms.

National Popular Vote Interstate Compact: This reform proposal aims to work within the existing Electoral College framework. States that join the compact agree to allocate their electoral votes to the winner of the national popular vote, effectively ensuring that the candidate who receives the most votes nationwide becomes the President.

To know more about Electoral College,

https://brainly.com/question/30494216

#SPJ11

Answer:

Step-by-step explanation:

Ok, I am assuming you want help on the b) part.

1. False

Some whole numbers are irrational numbers - This is completely false as there is no whole number which is an irrational number. 0, 1, 2 can never be a number with a decimal.

2. True

Some rational numbers are not whole numbers. - This is true. For example, 3/4 is a rational number but it is not a whole number.

3.False

Some irrational numbers are not integers - This is partially false as the wording of the question is wrong. It should be ALL irrational numbers are not integers because an integer cannot have a decimal place.

4. False

All rational numbers are integers - This is again, partially false as the wording of the question is again wrong. It should be SOME rational numbers are integers. For example, 1/2 is a rational number but it is not an integer.

Pls mark as brainliest. Cheers

we have

3P23=23*22*21=10,626

answer is option

Answer:

8

Step-by-step explanation:

\(A= \begin{bmatrix} 2 & 6 & 9\\3 & 4 &1\\7&7&8\end{bmatrix} \)

\( A_{3,\: 3} \) means the element of the matrix present at the point of intersection of third row and third column which is 8.

\( \therefore A_{3,\: 3}= \boxed{8} \)

Answer:

True

Step-by-step explanation:

All square roots of natural numbers, other than of perfect squares, are irrational.

Answer:To determine the measurement of KL, we can use the concept of similar triangles and the corresponding sides.

In triangle XYZ, the ratio of the lengths of corresponding sides is:

XY/XJ = XZ/JK = YZ/KL

Plugging in the given values:

8.7/10.44 = 8.2/JK = 7.8/KL

From this, we can solve for JK:

JK = (8.2 * 10.44) / 8.7 ≈ 9.84

Therefore, the measurement of KL is approximately 9.84.

~hope this helps you guys~

~if you need any other help i will answer~

=D