What is the inverse of the function f(x) =2x - 10?

What Is The Inverse Of The Function F(x) =2x - 10?

Answers

Answer 1

Answer:

D

Step-by-step explanation:

f(x) =2x - 10

(f(x) + 10)/2 =h(X)

x/2 + 5 = h(x)


Related Questions

A pilot is flying a plane 20000 ft above the ground.The pilot begins a 2 descent to an airport runway.How far is the airplane from the start of the runway(in ground distance)

Answers

Answer:

381623 ft

Step-by-step explanation:

Since the airport altitude is 20000 ft and the pilot needs a 2° descent, to calculate the distance of the airplane at the start of this approach, first this is represented in the diagram attached. The distance from the runway at the start is x.

[tex]tan(3) = \frac{20000}{x} \\x=\frac{20000}{tan(3)} \\x=381623ft[/tex]

The airplane is at a distance of 381623 ft away from the airplane runaway at the start of the descent.

is -8 rational or irrational

Answers

Answer:

rational

Step-by-step explanation:

All numbers that are not rational are considered irrational. An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point. The number 22/7 is a irrational number

Kono Dio Da!!!

Answer:

I'm pretty sure it is rational

Step-by-step explanation:

:)

GO TO MY LATEST QUESTION IT IS EASY BUT IDK THE ANSWERRRRR

here it is: Which of the following numbers can be expressed as a decimal that terminates? seven over four, five over nine, three over eight, two over three

Answers

Answer:7/4= 1.75  and 3/8=0.375

Step-by-step explanation:

5/9= 0.555555.......

3/8=0.375

2/3=0.666666......

How do you terminate stuff?

You pick one card from each set and find the sum. How many different sums are possible?

Answers

Answer:

24 possibilities

Step-by-step explanation:

2*2*6=24

24 possibilities

The number of different sums possible is 24 possibilities.

What is the probability?

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

We have been given that pick one card from each set and find the sum.

Therefore, we need to find the number of different sums that are possible;

2 x 2 x 6=24

24 possibilities

Hence, the number of different sums possible is 24 possibilities.

Learn more about probability here;

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, Ohio in 1990, the number of residents has decreased by 5% every 5 years. In 1990, there were 182,000 residents in Dayton, Ohio. Estimate the population in 2020 to the nearest whole number.

Answers

Answer:

133,787 residents

Step-by-step explanation:

First thing we need to do here is calculate the number of 5 years between 2020 and 1990

That would be 2020-1990 = 30/5 = 6

Now to estimate the present population, we will be needing an exponential equation

P = I(1-r)^n

where P is the present population at 2020

I is the population at 1990 which is 182,000

r is the percentage decrease every 5 years which is 5% or simply 5/100 = 0.05

n is the number of 5 years between 1990 and 2020 which is 6

Plugging all these values we have;

P = 182000(1-0.05)^6

P = 182000(0.95)^6

P = 133,786.724

To the nearest whole number, P = 133,787 residents

Siobhan has two babysitting job offers for the same weekend.The snachez family would like her to babysit from Friday at 6:00 pm through Saturday at 9:30 am.They will pay her $150.The martins would like her to babysit friday night from 5:00 pm to 11:00 pm and will pay her $15 per hour.Wich family is offering to pay her more per hour?Wich is offering to pay her more overall?

Answers

Answer:

The Martin family pays $5.33 more per hour

The Sanchez family pays $60 more in total

Step-by-step explanation:

The Sanchez family want her to babysit for 15.5 hours for a total of $150.

To find out the hourly rate you do $150/15.5 which is $9.67 per hour.

The Martin family wants her to babysit for a total of 6 hours for $15 an hour.

To find out the total you do $15 x 6 which is $90.

a shoreline is changing -3 centimeters each year due to erosion. what is the change in shoreline over 6 years?

Answers

Answer:

-18

Step-by-step explanation:

The city limits of Las Pythagoras form a perfect shape of an isosceles right triangle whose legs are both 25 2525 kilometers long. The population in Las Pythagoras is 100 , 000 100,000100, comma, 000 people. What is the population density of Las Pythagoras?

Answers

320

Step-by-step explanation:

6x - 2y = 10
2x + 3y = 51
Solving the first equation above for y gives:
y =
X-5
DO NE

Answers

Answer:

y = 3x -5

Step-by-step explanation:

6x - 2y = 10

-6x. -6x

Inverse Operations

-2y = -6x + 10

÷-2. ÷-2. ÷-2

y = 3x - 5

Answer:

6x – 2y = 10

2x + 3y = 51

Solving the first equation above for y gives:

   

     y =        (3)     x – 5

Which choice shows the result of substituting

3x – 5 into the second equation for y?

2(3x – 5) + 3x = 51

----------2x + 3(3x – 5) = 51      its B

2(3x – 5) + 3y = 51

Solving the equation 2x + 3(3x – 5) = 51

for x gives x =

---6.

The complete solution to the system is:

----(6,  13)

Step-by-step explanation:

Which product has 4 zeros after the digit 3? 0.03 times 10 with the power of 5. 0.3 times 10 with the power of 4 0.03 times 10 with the power of 4. 0.03 times 10 with the power of 5

Answers

Answer:

[tex]0.3 * 10^5[/tex]

Step-by-step explanation:

0.3

 ^ You need to move the three before the decimal place and leave 4 empty digits (0) between

0.3

3.0

30.0

300.0

3000.0

30000.0

A total of 5 moves.

Each move is equivalent to x, the preceding value, times 10. x * 10

Repeated multiplication times the same factor equates to exponentiation, so for a total of 5 moves, it is notated as [tex]10^5[/tex], giving you an expression of:

[tex]0.3 * 10^5[/tex]

Kati has of a bag of frozen fruit. She used of the fruit to make smoothies. Which equation represents the amount of fruit Kati used to make smoothies?

Answers

Answer:

The amount of frozen fruit used to make smoothies is equal to the total number of frozen fruits minus the remainder of fruits after making smoothies.

Step-by-step explanation:

Let

Total number of frozen fruits = F

Let the amount of frozen fruits used for making smoothies = S

The remaining frozen fruits = R

Then

F - S = R

To get the amount of frozen fruits used to make smoothies, we make S the subject of the formula.

-S = R - F

S = F - R

That is, the amount of frozen fruit used to make smoothies is equal to the total number of frozen fruits minus the remainder of fruits after making smoothies.

27 = z/0.3 as a salution
pleeeeaaaaasssseee i need help

Answers

Answer:

z = 81/10 = 8.100

Step-by-step explanation:

An item is regularly priced at $85. It is on sale for 15% off the regular price.
Someone help

Answers

Answer:72.25

Step-by-step explanation:

Answer:

$72.25 is the price of the $85 item on sale for 15% off the regular price.

Step-by-step explanation:

First you need to find out how much 15% off the original price is:

85 x .15 (change percent to a decimal by moving the decimal point to the left two times, so if it was 25%, the decimal form is .25)

85 x .15= 12.75, so there is $12.75 off the original price of $85.

$85 - $12.75= $72.25!

Yw!

Simplify, and then write in exponential form. Do not evaluate.
(7^2)^4

Answers

Answer:

7^8

Step-by-step explanation:

(7^2)^4

We know a^b^c = a^(b*c)

(7^2)^4 = 7^(2*4)

           = 7^(8)

(7x7)(7x7)(7x7)(7x7)

A circle has a radius of square root 131 units and is centered at (0,-4.3).
Whats the equation of this circle?

Answers

Answer:

x^2 + (y + 4.3)^2 = 131

Step-by-step explanation:

The basic equation of a circle with center at (h, k) and radius r is

(x - h)^2 + (y - k)^2 = r^2.  Here the center is (0, -4.3) and the radius is √131.  Substituting as indicated, we get:

(x - 0)^2 + (y + 4.3)^2 = 131, or

x^2 + (y + 4.3)^2 = 131

What is the measure of the unknown angle?
50°

Answers

It's approximately 99 degrees.

Which solution set is graphed on the number line?

Answers

Answer:

An inequality, such as x>2 can be graphed on the number line.

Step-by-step explanation:

An inequality, such as x>2 can be graphed on the number line. An open circle as a stating point, indicates the number is NOT included in the solution. Where as a closed circle or "dot" indicates the number IS included in the solution.

Answer:

An inequality, such as x>2 can be graphed on the number line.

Step-by-step explanation:

can someone help? 25 points

Answers

Answer:

Triangle A: acute

Triangle B: acute

Triangle C: obtuse

Triangle D: right

Step-by-step explanation:

acute= less than 90 degrees each angle

obtuse=more than 90 degrees for one angle

right=equal exactly 90 degrees for one angle

Answer:

A=Acute

B. Acute

C.Obtuse

D.Right

Step-by-step explanation:

a,and b, and  are acute becuase there angles are less than 90 degrees.

d is obtuse beucase the angleismore than 90 degrees

D is right beucase the angle is 90 degrees and it hasthat square in the corner.

Martin charges $10 for every 5 bags of leaves he rakes. Last weekend, he raked 27 bags of leaves. How much money did he earn?

Answers

Answer:

$54 : 27 bags

Step-by-step explanation:

its to much to explain

i got my math wrong

if the sides of a triangle and area is given. How to find perimeter​

Answers

Answer:

add it up to see if it's 180

Answer:

Well since you have the sides you would add up all of the sides to find the perimeter.

Step-by-step explanation:

In a capture-recapture study, 97 grizzly bears were tagged and released back into the wild. A month later, 200 bears were captured of which 36 were tagged. About how many grizzly bears are in the population?

Answers

Answer:

539

Step-by-step explanation:

Let the total population of  grizzly bears=x

In the first capture, 97 were tagged.

Therefore, ratio of the total population to the tagged=x:97

A month later, when 200 bears were captured, 36 were tagged.

Ratio of the sample to the tagged=200:36

Since a sample is representative of the population, the ratios are the same. We therefore have:

x:97=200:36

[tex]\dfrac{x}{97} =\dfrac{200}{36}\\ $Cross multiply\\36x=200 X 97\\x=200 X 97 \div 36\\x=538.9 \approx 539[/tex]

There are about 539 grizzly bears in the population

A population of rabbits doubles every 60 days according to the formula P=10(2)^t/60, where P is the population of rabbis on day t. What is the value of t when the population is 320

Answers

Answer:

[tex] 320 = 10 (2)^{t/60}[/tex]

If we divide both sides by 10 we got:

[tex] 32 = 2^{t/60}[/tex]

We can apply natural log on both sides and we got:

[tex] ln (32) = \frac{t}{60} ln(2) [/tex]

And solving the value of t we got:

[tex] t = 60 \frac{ln(32)}{ln(2)}= 300[/tex]

So then we can conclude that after t = 300 days we will have approximately 320 rabbits  

Step-by-step explanation:

For this case we have the following function:

[tex] P(t) = 10 (2)^{t/60}[/tex]

Where P is the population of rabbis on day t. And for this case we want to find the value of t when P =320 so we can set up the following equation:

[tex] 320 = 10 (2)^{t/60}[/tex]

If we divide both sides by 10 we got:

[tex] 32 = 2^{t/60}[/tex]

We can apply natural log on both sides and we got:

[tex] ln (32) = \frac{t}{60} ln(2) [/tex]

And solving the value of t we got:

[tex] t = 60 \frac{ln(32)}{ln(2)}= 300[/tex]

So then we can conclude that after t = 300 days we will have approximately 320 rabbits  

Oliver has lots of bags. There are
three types of bags that he collects.
travel bags, hand bags and school bags.
If the probability of getting a travel
bag is 5/10 and the probability of getting hand
bag is 4/10: what is the relative
frequency probability of getting a school bag?

Answers

Answer:

1/10

Step-by-step explanation:

if you add all of it it becomes 10/10

Body Mass Index (BMI) is given by the formula BMI=705W/H2 , where W is the weight of a person in pounds, and H is their height, measured in inches. If a person is 6 feet 3 inches tall, and weighs 209 pounds, what is their BMI? Round your answer to the nearest tenth.

Answers

Answer:

BMI = 26.1

Step-by-step explanation:

The body mass index is given by the below formula as :

[tex]BMI=\dfrac{705\times W}{H^2}[/tex]  

Here,

W is the weight of a person in pounds and H is height measured in inches.

If height of a person is 6 feet 3 inches, it means its height is 75 inches. Its weight is 209 pound.

So, plugging all values we get ,

[tex]BMI=\dfrac{705\times 209}{(75)^2}\\\\BMI=26.1[/tex]

So, the body mass index is 26.1.

If you want to find the energy quantum of light, you multiply the frequency of the radiation (v) by "h". What is "h"?

Answers

Answer:

H is E

Step-by-step explanation:

In the formula of the energy of photons "h" signifies Planck's constant.

What is Planck's constant?

The Planck constant, often known as Planck's constant, is a crucial physical constant in quantum physics. The mass-energy equivalency establishes the relationship between mass and frequency, and the constant establishes the relationship between a photon's energy and frequency.

In the equation energy E = h X v. The "h" there signifies Planck's constant

Planck's constant is a value, that shows the rate at which the energy of a photon increases/decreases, as the frequency of its electromagnetic wave changes.

Therefore,  in the formula of the energy of photons "h" signifies Planck's constant.

To know more about Planck's constant follow

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What does angle B equal?

Answers

NO. IM SORRY. I DID NOT MEANT THAT. DONT TRUST MY ANSWER.

Delete my answer due to my stupidity

Fenyang got 666 rabbits to raise on his farm. From the following month forward, the rabbit population doubled every month.

Answers

Answer:

geometric sequence

Step-by-step explanation:

The arc length
shown below is 15 feet.
State the equation that relates arc length to central angle.
Find the angle
in radians.
Convert your answer from Part II to degrees and write it to the nearest hundredth of a degree.

Answers

Answer:

s = rθ2.5 radians143.24°

Step-by-step explanation:

The applicable formula is ...

  s = rθ

where s is the arc length, r is the circle's radius, and θ is the central angle in radians.

Filling in the given values, we find ...

  15 = 6θ

  θ = 15/6 = 2.5 . . . radians

Pi (π) radians is 180°, so the angle in degrees is ...

  2.5(180°/π) ≈ 143.24°

Which size is the best buy?
Lemonade
Size. Price
12 ounces. $.89
18 ounces. $1.69
24 ounces. $2.09



pls help me​

Answers

Answer:

A) 12 ounces for $0.89

Explanation:

$0.89 ÷ 12 = $0.07

$1.69 ÷ 18 = $0.09

$2.09 ÷ 24 = 0.087

Now we know the different prices for each ounce, as you can see the 12 ounces is definitely the best buy.

I hope this helps!

Three research departments have 8,6,7 members, respectively. Each department is to select a delegate and an alternate to represent the department at a conference. In how many ways can this be done

Answers

Answer:

70,560 ways

Step-by-step explanation:

This problem is an arrangement problem, as the order of the two people chose in each department matters.

So, for each department, we have an arrangement:

First department: arrange of 8 choose 2: A(8,2) = 8!/2! = 8*7 = 56

Second department: arrange of 6 choose 2: A(6,2) = 6!/2! = 6*5 = 30

Third department: arrange of 7 choose 2: A(7,2) = 7!/2! = 7*6 = 42

The total number of ways is the product of each number of arranges, so:

Number of ways = 56 * 30 * 42 = 70,560

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