Kahn. Academy
A=−2.3t−7

Kahn. AcademyA=2.3t7

Answers

Answer 1

Answer:

2.3 meters

Step-by-step explanation:


Related Questions

Complete this sentence In a triangle, the angle with the greatest measure is
always opposite the______
O A. shortest side
B. longest side
C. second-longest side
D. angle with the smallest measure

Answers

Answer: B. Longest side.

Step-by-step explanation:

The profit function P(x), revenue function, R(x), and cost function, C(x), are related by the equation P(x) = R(x) – C(x). Andrew has determined that the revenue and cost functions for a new product line at his business are given by these functions. R(x)=8x and C(x)=100+3x What is the profit function for Andrew's new product line?

Answers

Answer: 8x - 1200

Step-by-step explanation: Because I did the problem

The profit function for Andrew's new product line is P(x) = 5x - 100.

What is a function?

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, The profit function P(x), revenue function, R(x), and cost function, C(x), are related by the equation P(x) = R(x) - C(x).

The revenue and cost functions for a new product line at his business are given by these functions. R(x) = 8x and C(x) = 100 + 3x.

Therefore, P(x) = 8x - (100 + 3x).

P(x) = 8x - 100 - 3x.

P(x) = 5x - 100.

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Let f be the function with derivative given by f'(x)=cos(2x^2 -1). How many relative extrema does f have on the interval 2 < x < 4?

Answers

It would have 7 because you are looking for the extreme.

PLZ HELP AND HURRY!!!
Answer this question

Answers

Answer:A

Step-by-step explanation:

math

Answer:

A

Step-by-step explanation:

6 cartoons will contain 4 more broken eggs than 4 cartoons and this is because if each cartoon is 12 eggs and each contain 2 broken ones then 6 cartoons would have 4 more which will equal 12 broken eggs in total.

Write the equation of the line that has a slope of 2/3 and a y-intercept of 4 in slope-intercept form.

Answers

Answer:

y=2/3x + 4

Step-by-step explanation:

y=mx + b is the slope intercept form with b representing the y interept and m being the slope.

What is the area of a triangle with a base of 4 inches and a height of 17 inches?

Answers

Answer:

Area of triangle = 34 in²

Step-by-step explanation:

Base = 4 inches

Height = 17 inches

[tex] \rm Area \: of \: triangle = \dfrac{1}{2} \times Base \times Height \\ \\ \rm = \dfrac{1}{2} \times 4 \times 17 \\ \\ \rm = 2 \times 17 \\ \\ \rm = 34 \: {in}^{2} [/tex]

Answer:

The required area of the ∆:

[tex] \boxed{ \rm{ar( \triangle) = 34 \: {inch.}^{2} }}[/tex]

Step-by-step explanation:

We have:

Base = 4 inchesHeight = 17 inches

By using Formula, A = 1/2 * bh

⇒ ar(∆) = 1/2 × 4 × 17 inch²

⇒ ar(∆) = 2 × 17 inch²

⇒ ar(∆) = 34 inch²

Thus, The Area of Required ∆ is 34 inch²

PLEASE HELP ASAP!!! if you answer i will give you branliest :)
OK SO I SOLVED ALL OF THIS: It costs a company $20 per box to make pocket-sized stuffed animals. The company also has a fixed manufacturing cost of $2300. The owners are trying to calculate their cost for making boxes of animals. --Function Rule: c(x) = 20b + 2300.

BUT I NEED HELP WITH THIS!!! Use your function rule to find out how many boxes of stuffed animals can the company manufacture for $5000? SHOW WORK.

basically just show the work to find out what "b" would have to be in order for the answer to be $5,000 i would appreciate it so much :) please help this is due today :(

Answers

Answer:

The company can manufacture 135 boxes of stuffed animals for $5000

Step-by-step explanation:

To find b, substitute $5000 for c(x), so

5000 = 20b + 2300

Then subtract 2300 from both sides of the equation, so

5000 (-2300) = 20b + 2300 (-2300)2700 = 20b

Finally divide both sides of the equation by 20, so

2700/20 = 20b/20135 = b

To check your answer substitute 135 in as b...

c(x) = 20(135) + 2300c(x) = 5000

HELP ME ASAP PLEASE ?!?!Find the value of x.

Answers

Answer:

38 degree

Step-by-step explanation:

all the angles of a triangle are 180 . a supplementary angle is 105 degree... first subtract 180 - 105 (A), because it is a supplementary angle , so 75 degrees then do 180 - ( 67 + 75 ) that is 38 = x

It takes 12 minutes to fill an entire bathtub using both cold and hot water. If just the cold water is used, it takes 18 minutes to fill the bathtub. How long would it take to fill the bathtub if just the hot water were used?

Answers

Answer:

it takes 36 minutes to fill the bathtub using just hot water.



Cora and Cecilia each use chalk to make their own number patterns on the

sidewalk. They make each of their patterns 10 boxes long and line their patterns

up so they are next to each other.

Cora puts o in her first box and decides that she will add 3 every time to

get to the next number.

Cecilia puts o in her first box and decides that she will add 9 every time to

get the next number.

How many times greater is Cecilia's number in the 5th box than Cora's number in

the 5th box? What about the 8th? What predictions can you make about the

relationship between the values in the rest of the pattern?

Answers

Answer:

5th box  has 45 for  Cecilia and 15 for Cora

8th box  has 72 for  Cecilia and 24 for Cora

Cecilia's boxes numbers are 3 times of Cora's boxes numbers.

Step-by-step explanation:

This can be completed as follows .

                              0   1   2     3     4      5      6    7       8         9       10

Cora's boxes        0   3   6     9     12   15      18    21     24      27     30

Cecilia's boxes    0   9   18    27   36  45     54   63    72      81     90

The 5th box  has 45 for  Cecilia and 15 for Cora which means  Cecilia's  number is 3 times bigger than Cora's number in the 5th box.

The 8th box  has 72 for  Cecilia and 24 for Cora which means  Cecilia's  number is 3 times bigger than Cora's number in the 8th box.

As we see that the difference in numbers is of three times from the beginning to the end. Therefore we conclude that  Cecilia's boxes numbers are 3 times of Cora's boxes numbers.

In this diagram where is the line of reflection?

Answers

The line of reflection is drawn going down the vertically at x=1 .

So on the x-axis( horizontal ), fine 1 and draw a straight line going up and down

The line of reflection is the vertical line x = 1.

What is a reflection?

A reflection is a type of transformation that involves flipping a shape, known as the preimage, over a line, known as the line of reflection, to produce a new shape (called the image). You can picture what would happen if you flipped the form over the line in order to graph a reflection.

The line of reflection is the vertical line passing through the midpoint of segment AA'.

Since A'(2,5) and A(-4,5) have the same y-coordinate, their midpoint is on the line y = 5.

Therefore, the line of reflection is the vertical line x = 1.

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Vanity Fair was having a blow out sale on shorts and t-shirts. Trevor bought 12 shorts and t-shirts. The shorts were on sale for $12 each and t-shirts were $6 each. Trevor spent $102. how many shorts and t-shirts did Trevor buy? Let x= shorts and y= t-shirts.

Answers

Answer:

shorts = 5and

t-shirts 7

Step-by-step explanation:

step one:

given

Let x= shorts and y= t-shirts

Trevor bought 12 shorts and t-shirts.

x+y=12----------1

sale for $12 each and

t-shirts were $6 each

12x+6y=102---------2

the sytems of equation is

x+y=12----------1

12x+6y=102---------2

Step two:

from 1,  x=12-y

put x=12-y in 2

12(12-y)+6y=102---------2

144-12y+6y=102

144-6y=102

144-102=6y

42=6y

y=42/6

y=7

put y=7 in  1

x+7=12----------1

x=12-7

x=5

shorts = 5and

t-shirts y

What is the unit for surface area?

Answers

unit of area is the square metre (written as m2)

) Which property is used in the following expression ? (axb) x C = ax (b x) A. Distributive Property B. Associative Property of Multiplication C. Associative Property of Addition D. Commutative Property of Addition​

Answers

Answer: Associative Property of Multiplication

someone help me with this question please.

Answers

Answer:

Andre scored 14 points.

Equation: x = 14

Step-by-step explanation:

Let the number of points Andre scored be x.

Diego's points = x-9

Noah's points = (x-9) × 2

                       = 2x-18

Now, you know the exact value of Noah's points which is 10.

2x-18 = 10

Isolate the 2x.

2x = 10+18

    = 28

x = 28÷2

  = 14

Answer:

noah = 10 pts.

diego = 5pts. half as many as noah.

diego is 9pts less than andre.

if diego scored 5 and is 9 less than andre. andre scored 5+9

Andre scored 14pts

Step-by-step explanation:


The probability that a new fridge has a fault is 0.015
What is the probability that a new fridge does not have a fault?

Answers

Answer:

I will assume you mean 0.015 out of 1.

It is 0.985

Step-by-step explanation:

Answer:

0.985

Step-by-step explanation:

The probability that a new fridge does not have a fault = 1 - 0.015

                                                = 0.985

Drag the values into the boxes to classify each number as rational or irrational. picture below pls help quick.

Answers

Answer:

Step-by-step explanation:

Rational numbers;

Numbers which can be written in the form of [tex]\frac{p}{q}[/tex] or repeating decimal numbers are the rational numbers.

Examples : 1, 2, [tex]\frac{2}{3}[/tex]

Irrational numbers:

Numbers which can't be written in he form of a fraction or non repeating decimal numbers are the Irrational number.

Example: [tex]\sqrt{8},\pi,\sqrt{\frac{8}{21} }[/tex]

From the given numbers,

Rational numbers:  [tex]\frac{11}{3}[/tex], 6.25, 0.01045, [tex]\sqrt{\frac{16}{81} }[/tex], 0.424242....

Irrational numbers:  [tex]\sqrt{48}, \sqrt{\frac{3}{16} }[/tex]

john’s dog eats 4/5 tin of mince meat added in his meal every day . if dog eats 35 full tins of meat in one week(7 days) then how much does it eat every day.

Answers

Answer:

it eats five mince meat everyday

What is the percent change from 9,000 to 900?

Answers

Answer:

-90%

Step-by-step explanation:

Change/ original x 100

9000-900= 8100

8100/9000= 0.9

0.9 x 100 = 90

What is (-∞ , -1) ∪ [ 2 , +∞)

Answers

9514 1404 393

Answer:

  interval notation for all numbers except those that are at least -1 and less than 2.

Step-by-step explanation:

The ∪ between the two sets of brackets indicates the "union" of two sets. The brackets on the left indicate the interval ...

  -∞ < x < -1 . . . . . for a value represented by x

The curved brackets ( ) indicate the end values of the interval are not included, which is why the < symbol is used, and not the ≤ symbol.

The brackets on the right indicate the interval ...

  2 ≤ x < +∞ . . . . . for a value represented by x

The square bracket [ ] is used to indicate the end value is included, which is why the ≤ symbol is used in relation to the end-value 2.

By convention, the interval notation lists the left end of the interval first, and always uses curved brackets for infinity.

What inequality is shown in the graph below?

Answers

Answer:

1/2

Step-by-step explanation:

If you travel for 2 hours at an average speed of 60 miles per hour, how far did you
travel? pls show your work thx

Answers

Answer: 120 miles

Step-by-step explanation:

In one hour you travel 60 miles

In 2 hours you travel 120 miles

Hope this helps!

This one is too much for me hhh, please answer it when you have time! THANK YOU!!

Match the following rational expressions that corresponds the letter of the correct answer.

Answers

Answer:

1.C

2.K

3.E

4.G

5.I

6.A

7.H

8.B

9.L

10.D

Step-by-step explanation:

What is the equation of this line in standard form?
A. 6x−7y=11

B. 6x−5y=−13

C. 7x−6y=11

D. 6x−7y=−11

Answers

Answer:

The correct equation is D.) 6x - 7y = -11

Step-by-step explanation:

Pythagorean theorem: Manuel purchases a rectangular picture
frame that has a diagonal measure of
17 inches and a height of 8 Inches. What is
the width of the picture frame?

Answers

Answer:

width = 15

Step-by-step explanation:

a² + b² = c² This the the formula

(PLUG IN)

8² + b² = 17²

64 + b² = 289 (subtract 64 on both sides)

b² = 225 (square root)

b = 15

Hope this helps ya!!

Bacteria of species A and species B are kept in a single environment, where they are fed two nutrients. Each day the environment is supplied with 10,560 units of the first nutrient and 31,510 units of the second nutrient. Each bacterium of species A requires 2 units of the first nutrient and 5 units of the second, and each bacterium of species B requires 1 unit of the first nutrient and 6 units of the second. What populations of each species can coexist in the environment so that all the nutrients are consumed each day? Incorrect: Your answer is incorrect. Of species A

Answers

Answer:

We require 4,550 of species A and 1,460 of species B that can coexist in the environment so that all the nutrients are consumed each day

Step-by-step explanation:

Let n₁ be the population of A required and n₂ be the population of B required.

Now we require 2 units of the first nutrient for species A and one unit of the first nutrient for species B. The total nutrients required by species A is 2n₁ and that by species B is 1n₂ = n₂. So, the total nutrients required by both species A and B is 2n₁ + n₂. Since this equals the quantity of the first nutrient which is 10,560, then  2n₁ + n₂ = 10,560 (1)

Now we require 5 units of the second nutrient for species A and 6 units of the second nutrient for species B. The total nutrients required by species A is 5n₁ and that by species B is 6n₂. So, the total nutrients required by both species A and B is 5n₁ + 6n₂. Since this equals the quantity of the first nutrient which is 31,510, then  5n₁ + 6n₂ = 31,510 (2).

So, we have two simultaneous equations which we would solve to find the populations of A and B which satisfy both equations.

2n₁ + n₂ = 10,560  (1)

5n₁ + 6n₂ = 31,510 (2)

From (1) n₂ = 10,560 - 2n₁ (3)

Substituting equation (3) into (2), we have

5n₁ + 6(10,560 - 2n₁) = 31,510

expanding the brackets, we have

5n₁ + 63,360 - 12n₁ = 31,510

collecting like terms, we have

5n₁ - 12n₁ = 31,510 - 63,360

simplifying, we have

- 7n₁ = -31,850

dividing both sides by -7, we have

n₁ = -31,850/-7

n₁ = 4,550

Substituting n₁ = 4,550 into (3), we have

n₂ = 10,560 - 2(4,550)

n₂ = 10,560 - 9,100

n₂ = 1,460

So, we require 4,550 of species A and 1,460 of species B that can coexist in the environment so that all the nutrients are consumed each day

Number of Bacteria A and Bacteria B = 4550 and  1460 respectively,

Let the number of bacterias of Specie A and Specie B be = x and y respectively.

Given : 2 Nutrient Requirements of both species of Bacteria A and B , Total Nutrients available

To find : Number of Bacteria 1 and Bacteria 2

Nutrient 1 Constraint Equation : 2x + y = 10560

Nutrient 2 Constraint Equation : 5x + 6y = 31510

Putting the value of y from 1st equation in 2nd equation ;

5x + 6 (10560 - 2x) = 31510

5x + 63360 - 12x = 31510

63360 - 31510 = 7x

7x = 31850  

x = 31850 / 7 = 4550 { Bacteria A}

Putting the value of x in 1st equation,

2 (4550) + y = 10560

9100 + y = 10560

y = 10560 - 9100 = 1460 {Bacteria B}

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What is the value of c in the equation 3/4 x + 2= 5/4 x -6

Answers

Answer:

c isn't in the equation so I'm assuming you're solving for x

x=16

Step-by-step explanation:

3/4x+2=5/4x-6 start by subtracting 3/4x on both sides

2=2/4x-6 now add 6 to both sides

8=2/4x at this point you can simplify 2/4 to 1/2 just to make it easier to divide

8=1/2x divide 1/2 or 0.5 by 8

x=16

x= 16 i hope thsi help you

Seventy-five percent of the 104 adults in the McGlaughlin clan were 5 feet tall or taller. How many of the adults were less than 5 feet tall? *

Answers

26 adults were less than five feet tall. First, find out how many people were above 5 feet by doing 0.75 x 104, which equals 78 people. then you subtract that from 104, so 104-78 = 26 people

Use Newton's Law of Cooling to find the temperature of a substance as a function of time t in minutes that it has spent
cooling off. This relationship is given by, y = ae* +, where c is the temperature of the medium surrounding the cooling
object, a is the difference between the initial temperature of the object and the surrounding temperature, and k is a
constant related to the cooling object. Two samples of the substance were heated in a container of boiling water until their
initial temperatures were both 100° C. The first sample will be cooled by being left out at a room temperature of 24°C,
and the second sample of the substance will instead be cooled off in a refrigerator with an inside temperature of 4° C.
The value of a will equal the difference between each sample's initial temperature and that sample's surrounding
temperature, and the cooling constant of the substance is k = 0.12.

Answers

Answer:c

Step-by-step explanation:a. 30.9, b. 32.9

Solve for n, 4 x n = 7 x 16

Answers

Answer:

n=28 7 times 16=112divided by 4 =28

Step-by-step explanation:

The letter N will equal 28 because 7 times 16 is 112 and 4 divided by 112 is 28
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