Evaluate: −9^4

A) −36

B) −6,561

C) 36

D) 6,561

Answers

Answer 1
it would be b)-6561 not the others

Related Questions

Along the Oregon trail the trading post in fort Laramie, Wyoming, sold a 16 pound of beef je rky for 5.92 what was the cost per pound

Answers

You need to divide the amount from the quantity
So 5.92 divide by 166= $0.37 per pound.

Bill owns a grocery store chain with 2,000 total employees. Nine hundred of his employees are managers. What can we assume about the total productivity of Bill’s chain?

Answers

We can assume that Bill's store is in danger of experiencing a diseconomy of scale.

Given Bill's grocery store chain's 2,000 total employees, 900 of whom are managers, it may be more logical to believe that Bill's store is in danger of suffering a diseconomy of scale.

Diseconomies of scale relate to a situation in which a company expands so much that its costs per unit rise.

When a corporation suffers diseconomies of scale, needless expenditures frequently develop as a result of greater management issues and inefficiencies in the flow of work and commodities.

Almost half of Bill's employees are managers of some kind. This will reduce his company's productivity and cause costs to increase as output expands.

Complete question:

Bill owns a grocery store chain with 2,000 total employees. nine hundred of his employees are managers. what can we assume about the total productivity of bill’s chain?

a. bill’s store is in danger of experiencing a diseconomy of scale

b. the grocery store is experiencing a constant return to scale

c. the grocery store is experiencing an economy of scale

d. bill’s store is run very efficiently.

-4.2+3.3=
Write answer in decimal form.

Answers

The answer to this question is -0.9

The value of the given expression is -0.9

What is an expression?

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.

Given that, an expression -4.2+3.3 = ? we need to find the answer in the decimal form,

To find the same, we have to simply subtract 3.3 from 4.2 and since the greater number is in negative the result will also be in negative,

3.3-4.2 = -0.9

Hence, the value of the given expression is -0.9

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Five divided by the difference of a number and 4 equals the quotient of 10 and the sum of the number and 2. find the number.

Answers

5/x-4=5/x+2 i hope this helped

Test scores are normally distributed with a mean of 100 and a standard deviation of 15. an​ individual's iq score is found to be 90. find the​ z-score corresponding to this value.

Answers

Z score=(data value-mean)/standard deviation
z=(90-100)/15=-0.6666666667

The z-score corresponding to this value will be negative 0.6667.

What is the z-score?

The z-score is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.

The z-score is given as

z = (x - μ) / σ

Where μ is the mean, σ is the standard deviation, and x is the sample.

Test scores are typically conveyed with a mean of 100 and a standard deviation of 15. A singular's level of intelligence score is viewed as 90.

The z-value is given as,

z = (90 - 100) / 15

z = - 10 / 15

z = - 0.6667

The z-score relating to this worth will be negative 0.6667.

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The formula v = square root of 64h gives the velocity v in feet per second of an object that has fallen h feet. find the velocity of an object that has fallen 76 feet. round to the nearest hundredth.

Answers

V = sqrt (64h)
h = 76

V = sqrt (64 * 76)
V = sqrt 4864
V = 69.742 rounds to 69.74 feet per second <=

Answer:

69.74 feet per second is the velocity of an object that has fallen 76 feet

Step-by-step explanation:

As per the statement:

The formula v = square root of 64h gives the velocity v in feet per second of an object that has fallen h feet.

⇒[tex]v = \sqrt{64h}[/tex]

where, v is the velocity in feet per second and an object that has fallen h feet.

We have to find the velocity of an object that has fallen 76 feet.

⇒ h = 76 feet.

Substitute in the given formula we have;

[tex]v = \sqrt{64 \cdot 76} = \sqrt{4864} = 69.7423831[/tex] feet per second

Therefore, the velocity of an object that has fallen 76 feet to the nearest hundredth is, 69.74 feet per second

Which statement about the triangle is true

Answers

The first choice is your answer.
Explanation: SAS congruence includes the 2 sides and the angle between them being congruent.

Have a nice day! :)

Answer:

the other answer is wrong number 2 is correct

Step-by-step explanation:

hamburger selling $1.25 a pound contains 30% fat. how much does the consumer pay for the meat without the fat?

Answers

70% is not fat, so 70% of $1.25 is about 88 cents
The consumer is paying $0.875 for the meat without the fat.
Answer : $0.88
(Hopefully its right)

2 more than twice a number w

Answers

twice of w is 2w and 2 more than 2w is 2w + 2,

So your answer is 2w + 2

Hope this helped!
(2w)+2 is your answer


hope this helps


Which of the following is not greater than 7/16?

A.)1/2

B.)31/62

C.)15/17

D.)3/8

Answers

the answer is d 3/8 hope i helped

please help!

create an expression equal to 6/5

what you have to work with:

1/16, (7/10, -, 5/8), ÷

Answers

Alright, so by finding a common denominator (with a bit of guess and check) we get 1/16=5/80 (since 80/16=5 and 5*1=5), 7/10=56/80, and 5/8=50/80. 
In addition, 6/5=96/80. To get this, we'd want 6 as the numerator and 5 as the denominator. Noting that we have parenthesis (meaning that (7/10 has to start with the parenthesis and 5/8) has to end it), we can also notice that (56-50)/80=6/80 and since 1/16=5/80, we can divide them to get (6/80)/(5/80)=
(6*80)/(5*80)=6/5

Please Help! I don't want an exact answer, just a brief explanation of what the question actually means.
IF THE STUDENTS HIKE AT A SPEED OF 4 KM/H, WHAT IS THE TOTAL DISTANCE THE STUDENTS WILL HIKE?

Answers

If the students are hiking at 4 km/h, you'll need to use the schedule to find the total number of hours they spent hiking and multiply it by that rate. According to the activity column, how many time chunks are they hiking for, and how long does each of them last? You can use that information to help answer the question.

Answer:

21km i beileve srry im late

Step-by-step explanation:

I'm not sure how to answer this question. Could someone please help explain it?

use the graph of the parent function, f(x)=sqrt x, to describe the transformation for the graph of g(x)=sqrt x-5
A. The graph of g(x) is the graph of f(x) shifted up 5 units
B. The graph of g(x) is the graph of f(x) shifted down 5 units
C. The graph of g(x) is the graph of f(x) shifted right 5 units
D. The graph of g(x) is the graph of f(x) shifted left 5 units.

I think the answer should either be down 5 or right 5 but I still don't quite understand.
thank you!

Answers

Consider the parent function, [tex]\displaystyle{ f(x)= \sqrt{x} [/tex]. 

The function f, takes a number x, and produces the square root of it, for example we have the points:

(1, 1), (4, 2), (25, 5), (100, 10).


The function [tex]\displaystyle{ g(x)= \sqrt{x-5} [/tex], takes a value x, subtracts it 5, and then produces the square root of this difference.


So to produce the values 1, 2, 5, 10 given in the previous function, we need to 

plug in the function not 1, 4, 25, and 100, but 6, 9, 30, 105.


Comparing  : (1, 1), (4, 2), (25, 5), (100, 10) of (x, f(x)) with 

                      (6, 1), (9, 2), (30, 5), (105, 10) of (x, g(x)),

we see that the graph of g is the same as the graph of f shifted 5 units right.



In general, the graph of  y=f(x-a), where a is a positive number, is the graph of y=f(x) shifted a units right.  

Answer: C

A rancher needs to enclose two adjacent rectangular​ corrals, one for cattle and one for sheep. if the river forms one side of the corrals and 330330 yd of fencing is​ available, find the largest total area that can be enclosed.

Answers

Given that the river encloses one of the side of the corals, then only three sides of the corals needs to be fenced and the demacation of the two sections.

The sides to be fenced is three equal sides plus one other side. Let the length of the coral be x, then the perimeter of the sides to be fenced is given by 3x + the other side = 330

Thus, the sides sides of the rectangle formed by the two adjacent corals are x and 330 - 3x.

The area of a rectangle is given by length x width.

Thus, the area of the corals to be enclosed is given by

[tex]Area=x(330-3x)=330x-3x^2[/tex]

For the area to be maximum, the differentiation of the area with rexpect to x will equal 0.

Thus,
[tex] \frac{dA}{dx} =330-6x=0 \\ \\ \Rightarrow6x=330 \\ \\ \Rightarrow x=55[/tex]

Therefore, the largest total area that can be enclosed is given by

[tex]Area=330x-3x^2 \\ \\ =330(55)-3(55)^2 \\ \\ =18,150-9,075 \\ \\ =9,075\ yd^2[/tex]

Which polygon is always regular

Answers

I think it is a square

Jonas bought 3 books. Each book was the same price. He also used a coupon that takes $20 off the total cost. What expression can be used to represent the total purchase?

Answers

Final answer:

The expression to represent Jonas's total purchase is 3x - $20, where x is the price of one book.

Explanation:

To create an expression that represents the total purchase of Jonas's books, let's denote the price of each book as x. Jonas bought 3 books at the same price, so the cost of the books is 3x. However, with the coupon, Jonas gets $20 off the total cost. Therefore, the expression that represents the total purchase is:

3x - $20

This expression first calculates the total cost of the books (3 times the price of one book) and then subtracts the $20 discount from the coupon.

Solve for c:
= 7 + 8 + 9 −10

Answers

7+8+9= 24-10= 14

I believe your answer is 14.

I hope this helps!
The answer to c=14
7+8+9-10
7+8=15
15+9=24
24-10=14

In order to make an A on her project, Sarah needs at least 160 points. She has already turned in part of her work and has been given 125 point so far. Write and solve an inequality that models this situation and find out how many points Sarah needs on the last part of her project to get an A.

Answers

to get an A, she needs >=160 points and she already has 125 points

let 'x' be the number of points on the last part of her project then

125 + x >= 160

x >= 160 - 125

x >= 35

Sarah needs at least 35 points on the last part of her project.

Answer:

P ≥ 35

Step-by-step explanation:

Naming P to the Points needed for the last part of Sarah's project,

we can define an inequation modelling in which cases Sarah will have enough points for an A or better:

It is stated that:

An A is achieved with 160 points.Sarah already has been given 125 points.

Then the inequation can be written:

[Points-so-far] + [Points-needed] greater or equal than 160

In math symbols:

[tex]125+P\geq 160\\P\geq 160-125\\P\geq 35[/tex]

Suppose a college student pays $650 for tuition fees. However, she also has to pay $325 for her textbooks (ouch!). What percent of her total education costs does she pay for her books?

Answer: Her books represent
percent (as a decimal) of her total costs.

Write your answer to the nearest tenth of a percent, but in decimal form. For example, if you saved 34.67%, you would round to 34.7% and enter .347 as your answer.

Answers

. 634 would seem like the right answer but in percentage it would be 63.375%

Every square is ____ a rectangle.
A. always
B. sometimes
C. never

Answers

A square is a special kind of rectangle (4 sides) so therefore it is always a rectangle.
Your answer is A always because a square has 4 sides or points which makes it a quadrilateral and a rectangle has four sides and points which also makes it a quadrilateral and a square is a rectangle because their the same thing but a rectangle is bigger its not B, and C because of these reasons above and because a square has 4 sides.

Your answer is A.

For high school wrestling competitions, the wrestling mat must be a square with an area of 1444 square feet. _ feet is the length of each side of the wrestling mat.

Answers

area of a square = a^2....where " a " is the length of one side

A = a^2
A = 1444

1444 = a^2....take the sqrt of both sides, eliminating the ^2
sqrt 1444 = a
38 = a.....so each side is 38 ft <==

The length of each side of the wrestling mat is, 38 feet.

What is mean by Rectangle?

A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.

Given that;

For high school wrestling competitions, the wrestling mat must be a square with an area of 1444 square feet.

Let the length of each side of the wrestling mat is, x

Hence, We get;

⇒ x² = 1444

⇒ x = √1444

⇒ x = 38 feet

Thus, The length of each side of the wrestling mat is, 38 feet.

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Margo borrows $1000, agreeing to pay it back with 5% annual interest after 15 months. How much interest will she pay?

Answers

The answer is $50. Hope this helps!

involves triangle centroid

Answers

here, you do the same as the previous one, keeping in mind that X cuts TW in a 2:1 ratio.

[tex]\bf TW-TX=XW\implies \cfrac{8a}{5}+\cfrac{1}{10}-\left(a +\cfrac{4}{5} \right)=XW \\\\\\ \cfrac{8a}{5}+\cfrac{1}{10}-a-\cfrac{4}{5}=XW\implies \cfrac{3a}{5}-\cfrac{7}{10}=XW\\\\ -------------------------------\\\\[/tex]

[tex]\bf TX:XW\qquad 2:1\qquad \cfrac{TX}{XW}=\cfrac{2}{1}\implies \cfrac{a+\frac{4}{5}}{\frac{3a}{5}-\frac{7}{10}}=\cfrac{2}{1} \\\\\\ \cfrac{\frac{5a+4}{5}}{\frac{6a-7}{10}}=\cfrac{2}{1}\implies \cfrac{5a+4}{5}\cdot \cfrac{10}{6a-7}=\cfrac{2}{1}\implies \cfrac{10a+8}{6a-7}=\cfrac{2}{1} \\\\\\ 10a+8=12a-14\implies 22=2a\implies \cfrac{22}{2}=a\implies 11=a[/tex]

Percy works two part-time jobs to help pay for college classes. On Monday, he works 3 hours at the library and 2 hours at the coffee cart and earns $36.50. On Tuesday, he works 2 hours at the library and 5 hours at the coffee cart and earns $50. His hourly wage at the library, x, and hourly wage at the coffee cart, y, can be determined using the system of equations below. 3x + 2y = 36.50 2x + 5y = 50.00 At which job does Percy earn the greater hourly wage? How much does Percy earn each hour at this job? Percy earns a greater hourly wage of $7.00 at the library. Percy earns a greater hourly wage of $7.00 at the coffee cart. Percy earns a greater hourly wage of $7.50 at the library. Percy earns a greater hourly wage of $7.50 at the coffee cart.

Answers

Percy earns a greater hourly wage of $7.50 at the library. 

Answer:

Percy earns a greater hourly wage of $7.50 at the library.

Step-by-step explanation:

The corresponding angles postulate states that if two parallel lines are cut by a transversal, then the pairs of corresponding angles are

Answers

the pairs of corresponding angles are congruent to each other

In the united states, 40% of the population has brown eyes. if 14 people are randomly selected, find the probability that at most 11 of them have brown eyes.

Answers

i think the answer is 11/35

The probability that at most 11 of them have brown eyes is 0.9994

What is Binomial Distribution Function?

If a random variable X denotes the number of successes in n trials each with probability of success p, then we say that X ∼ Bin (n, p) , and the probability of exactly x successes in n trials P [X = x] is given by the binomial distribution function,  f(x) , where f(x) is

                            [tex]f(x) = P[X=x] = (\frac{n}{x} ) p^{x} (1-p)^{n-x}[/tex]

where x = successes , n = trials

Therefore ,          [tex]f(x) = \frac{n!}{x!(n-x)!} p^{x} (1-p)^{n-x}[/tex]

Given data , we have

p = 40 % = 0.4

n = 14

Let X be the number out of a sample of 14 whose eyes are brown.

So the probability that at most 11 of them have brown eyes is calculated as P( X [tex]\leq[/tex] 11 ) and

P( X [tex]\leq[/tex] 11 ) = 1 - P( X > 11 )

where P( X > 11 ) = 0.0006

Therefore , P( X [tex]\leq[/tex] 11 ) = 1 - 0.0006

                                     = 0.9994

Hence , the probability that at most 11 of them have brown eyes is 0.9994.

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the LCD of 6y/5x and 8/12x is 60x. true or false?

Answers

Answer:

true....

Step-by-step explanation:

Find the real or imaginary solutions of the equation by factoring. X^4-10x^2=-9

Answers

Given expression is [tex]x^4-10x^2=-9[/tex]

Rearranging to get [tex]x^4-10x^2+9=0[/tex]

Let [tex]x^2[/tex] be [tex]p[/tex], then we have [tex]p^2-10p+9=0[/tex]

Factorising we get [tex](p-1)(p-9)=0[/tex]
Solving for [tex]p[/tex], we have [tex]p=1[/tex] and [tex]p = 9[/tex]

Rewriting [tex]p[/tex] back as [tex]x^2[/tex], we have:
[tex]x^2=1[/tex] and [tex]x^2=9[/tex]
[tex]x= \sqrt{1} [/tex] and [tex]x= \sqrt{9} [/tex]
[tex]x = (+1) and (-1)[/tex] and [tex]x=(+3) and (-3)[/tex] ⇒ Final answers

If $4500 is invested at an interest rate of 7.25% per year, compounded continuously, find the value of the investment after the given number of years. (round your answers to the nearest cent.)

Answers

Final answer:

The value of an investment of $4500 at a 7.25% annual interest rate, compounded continuously, is calculated using the compound interest formula [tex]P = P_0e^{rt}[/tex], where P0 is the initial amount, r is the rate as a decimal, and t is the time in years.

Explanation:

The subject of this question is Mathematics, and it falls under the High School grade level. To find the value of an investment compounded continuously, we use the formula:

[tex]P = P_0e^{rt}[/tex]

Where:

P0 is the initial amount investedr is the annual interest rate (in decimal form)t is the time in yearse is the base of the natural logarithm, approximately equal to 2.71828

Given a $4500 investment at a 7.25% annual interest rate, compounded continuously, we can calculate the future value of the investment after t years. Convert the percentage to a decimal by dividing by 100:

r = 7.25 / 100 = 0.0725

So the formula becomes:

[tex]P = $4500e^{0.0725t}[/tex]

Plug in the number of years into 't' to calculate the future value for that specific duration.

After 2, 4, and 6 years of continuous compounding, the investment values are approximately $5198.85, $6014.70, and $6953.85 respectively.

To find the value of the investment after a certain number of years with continuous compounding, we use the formula:

[tex]\[ A = P e^{rt} \][/tex]

Given:

-  P = $4500

-  r = 7.25% = 0.0725  (as a decimal)

We need to calculate the value of the investment after 2, 4, and 6 years.

(a) For 2 years:

[tex]\( A = 4500 \times e^{0.0725 \times 2} \)\\\( A = 4500 \times e^{0.145} \)\\\( A \approx 4500 \times 1.1553 \)\\\( A \approx \$5198.85 \)[/tex]

(b) For 4 years:

[tex]\( A = 4500 \times e^{0.0725 \times 4} \)\\\( A = 4500 \times e^{0.29} \)\\\( A \approx 4500 \times 1.3366 \)\\\( A \approx \$6014.70 \)[/tex]

(c) For 6 years:

[tex]\( A = 4500 \times e^{0.0725 \times 6} \)\\\(A = 4500 \times e^{0.435} \)\\\(A \approx 4500 \times 1.5453 \)\\\( A \approx \$6953.85 \)[/tex]

So, the values of the investment after 2, 4, and 6 years respectively are approximately:

(a) $5198.85

(b) $6014.70

(c) $6953.85

Complete Question:
If $ 4500 is invested at an interest rate of 7.25% per year, compounded continuously, find the value of the investment after the given number of years. (Round your answers to the nearest cent.)

(a) 2 years

(b) 4 years

(c) 6 years

34.) If a quadrilateral is a parallelogram and the diagonals are perpendicular, then it must be a rectangle.

A. True
B. False

Answers

Answer: False

The diagonals are perpendicular, so the figure is a rhombus. The rhombus is only a rectangle if it is a square as well. If the rhombus is not a square, then it cannot be a rectangle.

Answer:

The correct answer is: False

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