Haley has $84, which is 7 times as much money as Kevin has. How much money does Kevin have? Select the correct solution method, using x to represent Kevin's money.​

Answers

Answer 1
x*7=84
84/7=x
12=x
Kevin has 12$

Related Questions

for the triangle find the unknown angle x remember that for the triangle, the three interior angles must add up to 180 degrees​

for the triangle find the unknown angle x remember that for the triangle, the three interior angles must

Answers

Answer:

m<x=60°

Step-by-step explanation:

180-40= 140

140-80=60

m<x=60°

Hope this helps! :)

Your 2-liter bottle of Urikium, which has a half-life of 72 days, gets spilled on your parents rug. How much will remain in the rug in 200 days?

Answers

Answer:

291.63 ml

Step-by-step explanation:

200/72 2.7778 half lives

(1/2)^2.77777 =   .1458        or    291.63 ml

here this to help the 7th graders

A complete overveiw

Answers

thank u so much ur the best >3

I need help.. I can't figure it out​

I need help.. I can't figure it out

Answers

Answer:

136

Step-by-step explanation:

A researcher's results should be considered fraudulent if Group of answer choices animals were used while conducting experiments. the researcher used any form of survey to collect the data. participants were not debriefed after completion of the study. data were changed in order to support the hypothesis

Answers

A researcher's results should be considered fraudulent if data were changed in order to support the hypothesis. This is a serious ethical violation and goes against the scientific method. Overall, it is important for researchers to adhere to ethical standards and maintain the integrity of their research.

Explanation:

A researcher's results should be considered fraudulent if data were changed in order to support the hypothesis. This is a serious ethical violation and goes against the scientific method. Additionally, if animals were used while conducting experiments, the researcher should have followed ethical guidelines and obtained proper approval and care for the animals. If a survey was used to collect data, the researcher should have ensured the survey was properly designed and administered to avoid any biases or errors. Finally, if participants were not debriefed after completion of the study, this could be seen as unethical and potentially harmful to their well-being. Overall, it is important for researchers to adhere to ethical standards and maintain the integrity of their research.

The scientific method requires researchers to conduct experiments in a transparent and objective manner. This means that the researcher should design experiments to test hypotheses, collect data systematically, and analyze data objectively. Any manipulation of data to support a hypothesis undermines the scientific method and is considered unethical. Researchers who intentionally manipulate data can be considered fraudulent and may face disciplinary action.

If animals were used in the experiment, the researcher should have followed ethical guidelines and obtained proper approval and care for the animals. Ethical guidelines ensure that animals are treated humanely, minimize their pain and discomfort, and maximize their welfare. Researchers who violate these guidelines can be considered fraudulent and may face disciplinary action.

If a survey was used to collect data, the researcher should have ensured that the survey was properly designed and administered to avoid any biases or errors. Surveys can be susceptible to various sources of error, including sampling errors, measurement errors, and non-response bias. Researchers who fail to address these sources of error can produce biased or invalid results, which can be considered fraudulent.

Finally, if participants were not debriefed after completion of the study, this could be seen as unethical and potentially harmful to their well-being. Debriefing allows participants to understand the purpose of the study, ask questions, and voice any concerns they may have. Participants who are not debriefed may feel deceived or harmed by the study, which can damage their trust in research and researchers.

In summary, researchers must adhere to ethical standards and maintain the integrity of their research. This includes avoiding data manipulation, following ethical guidelines for animal welfare, ensuring that surveys are properly designed and administered, and debriefing participants after completion of the study. Failure to do so can result in fraudulent research and harm to participants, animals, and the scientific community as a whole.

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6⋅7-3^2⋅9+4^3 what is the value?

Answers

Answer:

-10

Step-by-step explanation:

First, evaluate the terms with exponents.

7-3²·9+4³

With that, you get:

7-9·9+64

Multiply -9×9

7-81+64

Then, add or substract from left to right.

Your final answer is -10.

\(\textsf{Hey there!}\)

\(\mathsf{Equation: 6 \times 7- 3^2 \times9+4^3}\)

\(\mathsf{3^2 = 3\times3=9}\)

\(\mathsf{4^3= 4\times4\times4=16\times4 = 64}\)

\(\mathsf{6\times7 = 42}\)

\(\mathsf{9\times9= 81}\)

\(\mathsf{New\ equation: 42 - 81 + 64}\)

\(\mathsf{42 -81= -39}\)

\(\textsf{New equation: -39 + 64}\)

\(\mathsf{SOLVE\ ABOVE\ \uparrow\ \& you\ will\ have\ your\ answer\ to\ this\ problem}\)

\(\mathsf{-39 + 64 = 25}\)

\(\boxed{\textsf{Thus, your answer is: \boxed{\mathsf{\bf{25}}}}}\checkmark\)

\(\textsf{Good luck on your assignment and enjoy day!}\)

~\(\frak{LoveYourselfFirst:)}\)

please help me fast I need to finish this before tomorrow.

please help me fast I need to finish this before tomorrow.

Answers

Answer:
Y = x - 20
Explanation:


1) Jerry put $20,000 in a savings account paying 8% annual interest
compounded monthly. At this rate how much money will be saved in th
account after 10 years?

Answers

Putting $20,000 at 8% annual interest & monthly getting compounded , the amount of money that jerry will after 10 years is approximately $44,040.

Given :

present value (P) = $20,000

interest rate (r) = 8%

compounding monthly (n) = 12

Time (t) = 10 years

To find : Future value after 10 years when interest monthly gets compounded

Now,

we know the formula is

future value = present value × (1 + interest rate)^years

                    = P × ( 1 + r / n )^ nt

inserting values in the given formula we get,

future value    = $20,000 × ( 1 + 8% / 12 )^ 10 × 12

                       =  $20,000 × ( 1 + 8 / 1200 )^ 120

                       =  $20,000 × (1 + 0.0066)^120

                       =  $20,000 × ( 1.0066)^120

                       =  $20,000 × 2.2020

                       =    $44,040

Hence the amount saved by jerry after 10 years at the annual interest of 8%  when money monthly is getting compounded with $20.000 will be $44,040.

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The vector is transformed following the following sequence:
i) It is reflected about the line y = x then
ii) It undergoes expansion along x with a factor of 3 then
iii) Suffers shear along the

Answers

The vector is transformed following the following sequence:

i) It is reflected about the line y = x, then

ii) it undergoes expansion along x with a factor of 3, then

iii) suffers shear along the y direction.

The reflection of vector about y=x can be written as:

\(R1 = $\begin{bmatrix}0 & 1 \\ 1 & 0\end{bmatrix}$\)

This matrix can be easily obtained by interchanging the first column with the first row of the identity matrix.

The expansion of vector along x with a factor of 3 can be written as:

\(T1 = $\begin{bmatrix}3 & 0 \\ 0 & 1\end{bmatrix}$\)

This matrix is a diagonal matrix with the eigenvalues of the transformation matrix.

The shear along the y direction can be written as:

\(S1 = $\begin{bmatrix}1 & 0 \\ k & 1\end{bmatrix}$\)

Here, k is the shear factor.

The final transformation matrix can be obtained as the product of all three matrices.

\(T = S_1 * T_1 * R_1= $\begin{bmatrix}1 & 0 \\ k & 1\end{bmatrix}$ $*$ $\begin{bmatrix}3 & 0 \\ 0 & 1\end{bmatrix}$ $*$ $\begin{bmatrix}0 & 1 \\ 1 & 0\end{bmatrix}$\)

Multiplying the first two matrices,

we get

\($\begin{bmatrix}3 & 1 \\ k & 1\end{bmatrix}$\)

Now, multiplying this matrix with the third matrix,

we get:\(T = $\begin{bmatrix}3 & 1 \\ k & 1\end{bmatrix}$ $*$ $\begin{bmatrix}0 & 1 \\ 1 & 0\end{bmatrix}$= $\begin{bmatrix}1 & 3 \\ 1 & k\end{bmatrix}$\)

Therefore, the final transformation matrix is \($\begin{bmatrix}1 & 3 \\ 1 & k\end{bmatrix}$\).

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What is the value of b?

What is the value of b?

Answers

Answer:

43 Degrees

Step-by-step explanation:

In a instance like this one, opposite sides have the same angle measurement.

Answer:

43°

Step-by-step explanation:

This is because of

Vertically Opposite Angles Theorem,

Where when two lines intersect the vertically opposite angles are always equal.

Hence,

43° = x

Put these fractions in order from least to greatest: 2/3 1/4 and 3/8 (please hurry lol)​

Answers

Answer:

1/4, 3/8, 2/3

Step-by-step explanation:

Answer:

1/4. 3/8. 2/3

Step-by-step explanation:

1/4, 3/8 and 2/3

A person accepts a position with a company at a salary of \( \$ 34,000 \) for the frat year, The person is guaranteed a raise of \( \$ 1850 \) per year for the first 6 years. Determine the person's to

Answers

The person's total salary over the first 6 years is $231,750.

To determine the person's total salary over the first 6 years, we need to calculate the sum of the salary for each year.

Given information:

- Initial salary: $34,000

- Annual raise: $1,850

- Number of years: 6

To calculate the total salary, we can use the arithmetic progression formula:

[ S = frac{n}{2} left(2a + (n - 1)dright) ]

Where:

- ( S ) is the sum of the salaries

- ( n ) is the number of terms (years)

- ( a ) is the first term (initial salary)

- ( d ) is the common difference (annual raise)

Substituting the given values, we have:

[ S = frac{6}{2} left(2(34000) + (6 - 1)(1850)right) ]

Simplifying the expression:

[ S = 3 left( 68000 + 5 times 1850 right) ]

[ S = 3 left( 68000 + 9250 right) ]

[ S = 3 times 77250 ]

[ S = 231750 ]

Therefore, the person's total salary over the first 6 years is $231,750.

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A Mika rode her bike around a trail in the park.
The trail is 3 miles long. Mika rode around the
trail 4 times. How many miles did she travel in all?

Answers

Answer:

12 miles

Step-by-step explanation:

Total miles = Length of trail ×

Number of times she rode

Total miles = 3 miles × 4 times

Total miles = 12 miles

Mika traveled a total of 12 miles.

Select all ratios equivalent to 3:6

18:9. 4:8. 11:12

Answers

Answer:

4:8

Step-by-step explanation:

Equivalent ratios have the same simplified ratio.

The simplified ratio of 3:6 is 1:2. We can get it by dividing both sides of the ratio by a common factor of 3.

18:9 is incorrect because its simplified ratio is 2:1. Equivalent ratios have the same order.

4:8 is correct because dividing both sides of the ratio by 4 gives us 1:2.

11:12 is incorrect because it can not be simplified to give 1:2.

-3(2x + 2) < 10

and

2(4 - 2x) > 1

pre calculus

Answers

\(\\ \tt\hookrightarrow -3(2x+2)<10\)

\(\\ \tt\hookrightarrow -6x-6<10\)

\(\\ \tt\hookrightarrow -6x<16\)

\(\\ \tt\hookrightarrow x>-16/6\)

\(\\ \tt\hookrightarrow x>-8/3\)

And

\(\\ \tt\hookrightarrow 2(4-2x)>1\)

\(\\ \tt\hookrightarrow 8-4x>1\)

\(\\ \tt\hookrightarrow -4x>-7\)

\(\\ \tt\hookrightarrow 4x<7\)

\(\\ \tt\hookrightarrow x<7/4\)

So

\(\\ \tt\hookrightarrow x\in \left(\dfrac{-8}{3},\dfrac{7}{4}\right)\)

When comparing two group means, the _____ refers to the number of scores free to vary once the means are known. A. null hypothesis B. research hypothesis C. statistical significance D. degree of freedom

Answers

When comparing two group means, the degree of freedom refers to the number of scores free to vary once the means are known. Correct option is D.

What is the degree of freedom?

The degree of freedom (df) is the number of independent pieces of information available in a study that may be used to estimate the value of the population parameter in question.

In layman's terms, the degree of freedom is the number of independent pieces of information that can be used to calculate a population parameter estimate in a statistical study. The degree of freedom (df) refers to the number of scores free to vary once the means are known.

This implies that there are a certain number of scores (or values) in the study that can be changed freely without affecting the mean of the study's scores. For instance, if the study's mean score is 75, the degree of freedom is the number of scores that may be adjusted without altering the mean score of 75.

As a result, the degree of freedom represents the number of values that can be varied to get a given statistic, such as the mean.

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enign
1)
The radius of a circular rug is 4 feet. How much ribbing will you need to buy to go around the rug? Use 3.14 for it
ime
maining
00:36
Tools
A)
13 feet
Eliminate
B)
26 feet
51 feet
D)
102 feet
O
0

enign1)The radius of a circular rug is 4 feet. How much ribbing will you need to buy to go around the

Answers

hi reminder!!! just wanted to let you know that you are beautiful DONT pay attention to what other people say Ily :)

20 pts. solve for u please!!!!!!

20 pts. solve for u please!!!!!!

Answers

Answer:

16

Step-by-step explanation:

Answer:

16

Step-by-step explanation:

Need help with number 22 pls god

Need help with number 22 pls god

Answers

Divide the 25 by 4 to get pounds per gallon. 25/4 = 6.25 pounds per gallon.

can someone help with this?

can someone help with this?

Answers

if you’re trying to find plots, it would be 8,-8 and -4,-5.
answer could also be 4,-7 and -8,-4.


1. Nico has the following marbles.
.
5 red
4 yellow
3 black
2 white
Nico will randomly choose one marble. What is
the probability that he will choose a white
marble?
B.
c.

Answers

Answer:

2/14

Step-by-step explanation:

See there is a total of 14 marbles overall. the question is asking what is the chance that you will pick a white marble out of the 14 marbles in total. Therefore you only have a 2/14 or 1/7 of a chance that you will pick that white marble.

what is the value of In x when In x = e to the power -x

Answers

In the Logarithm prompt above, note that the value of In x when In x = e to the power -x is x = 1/e.

What is the rationale for the above response?

The above assertion is right because the definition of the natural logarithm denoted as In x or ln x, is that it is the inverse function of the exponential function, denoted as e to the power x or ex.

This means that if we have an equation of the form In x = ex, then we can find the value of x by simply taking the inverse of both sides of the equation.

So, if we take the inverse of both sides of the equation In x = ex, we get x = In (ex) = In e to the power x = 1/e.

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Which number sentence is true?

Which number sentence is true?

Answers

the answer would be D

A regular pentagon is centere about the orgin and has a vertex at (0, 4). Which transformation maps the pentagon to itself?.

Answers

A clockwise rotation of 144° about the origin will map the pentagon onto itself. Option(c) is the correct answer.

The number of sides (n) of the pentagon is:

n =5

The pentagon will not be plotted onto itself when reflected across the x-axis because the pentagon has 5 sides (an odd number of sides).

To draw the pentagon onto itself, the pentagon has to be rotated.

The angle of rotation is:

θ \(= \frac{360}{n}\)

θ  \(=\frac{360}{5} = 72\)

Other possible angles of rotation must be multiple of 72. i.e.

θ= 72, 144, 216, 288...

Hence, a clockwise rotation of 144° about the origin will map the pentagon onto itself.

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The complete question is:

A regular pentagon is centered about the origin and has a vertex at (0, 4). Which transformation maps the pentagon to itself?

a. A reflection across line m

b. A reflection across the x-axis

c) A clockwise rotation of 144 degrees about the origin

A regular pentagon is centere about the orgin and has a vertex at (0, 4). Which transformation maps the

What is the value of x − 7 if x = −18?

Answers

Answer:

x - 7 = -25

Step-by-step explanation:

The value of x is,

→ x = -18

Then the value of x - 7 will be,

→ x - 7

→ -18 - 7

→ -25

Hence, the answer is -25.

Help please i am stuck! More points!

Help please i am stuck! More points!

Answers

Answer:

I belive it would be 102

Step-by-step explanation:

Answer:

306 cm

Step-by-step explanation:

the opposite side is the same as the shaded side

18 x 17 = 306 cm

Question 2 of 5
0 1 2
3
4
5
6
7
8
9
10
Which of the following could be the number shown on the number line?
A. 37
B. 35
C. 38
D. 30

Answers

Answer:

30

Step-by-step explanation:

y=- x2 – 5х – 12
help me please

Answers

Answer: x = - 12/7

Explain

y=-x2 - 5x-12

**The y is actually 0 .. so look at The y like it’s a 0 .. pretend the y is a 0**

**Solve this **x x 2 - 5x-12** for x **

And you’ll get your answer :)

x= - 12
___
7

Hopefully this helped ;)



I’m not sure I need help

Im not sure I need help

Answers

Answer:

D) \(1 < x\leq 4\)

Step-by-step explanation:

1 is not included, but 4 is included, so we can say \(1 < x\leq 4\)

D since the circle is not completely filled that’s why x is greater than 1 and less than equal to 4

In a video game, two characters follow paths represented by and , respectively. the characters travel at different speeds and could collide with each other. which values of correspond to possible collision points? check all that apply.

Answers

The possible collision points of the two paths are given as follows:

θ = π/6.θ = 11π/6.

When do the two paths collide?

Each path is modeled by the equations presented as follows:

Path 1: \(r_1(\theta) = \sqrt{3} + 2\cos{\theta}\)Path 2: \(r_2(\theta) = 4\cos{\theta}\)

When the two paths collide, they are at the same position, hence the points are the values of θ that respect the condition given by:

\(r_1(\theta) = r_2(\theta)\)

Hence the equation to be solved is:

\(\sqrt{3} + 2\cos{\theta} = 4\cos{\theta}\)

Isolating the cosine variable, we have that:

\(2\cos{\theta} = \sqrt{3}\)

\(\cos{\theta} = \frac{\sqrt{3}}{2}\)

Applying the inverse cosine function, the angles are obtained as follows:

\(\theta = \cos^{-1}{\left(\frac{\sqrt{3}}{2}\right)}\)

Which has two solutions:

θ = π/6 -> First quadrant.θ = 11π/6 -> Fourth quadrant.

Hence the correct options are given by the first option and the last option.

Missing Information

The complete problem is given by the image shown at the end of the answer.

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In a video game, two characters follow paths represented by and , respectively. the characters travel

Answer:

A and E.

Step-by-step explanation:

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