The laptop was $500
and is now $400. What
is the percent of change?

Answers

Answer 1

Answer:

20%

Step-by-step explanation:

Answer 2

Answer:

It's -20.00%  I have a link to a website that calculate percent of change for you if you want it, just comment and tell me

Step-by-step explanation:


Related Questions

Clayton picks an integer (from 1 to 20) at random. Which event has a probability that is closest to 0? picking a number greater than 6 picking a number less than 12 picking an even number picking a prime number

Answers

Answer:

picking a prime number

Step-by-step explanation:

from 1 - 20 : 20

>6 : 15

<12 : 11

even number: 10

Prime: (2,3,5,7,11,13,17,19) 8

Consider the graph of f(x) below. The graph contains the points (0, 1) and (5, 4).



Write the equation of f(x), and classify the function as linear, quadratic, cubic, exponential, power, or logarithmic.

Answers

Answer:

f(x)=x+3

Step-by-step explanation:

hope this helps

7.1 divided by 312.755

Answers

answer 0.0227014756

Step-by-step explanation:

or if you meant 312.775/7.1 it's 44.0528169

9x + Зу = 9
X and y intercept

Answers

Answer:

x intercept: (1,0)

y intercept: (0,3)

Step-by-step explanation: Substitute variables for 0 and solve

Answer:

y-intercept: 3

x-intercept: 1

Step-by-step explanation:

To find x-intercept:

1. make y equal to 0, leaving 9x=9

2. divide both sides by 9

3. x=1

To find y-intercept:

1. make x equal to 0, leaving 3y=9

2. divide both sides by 3

3. y=3

Hope this helps!

Everything we see and touch is made of ______.

Answers

Answer:

chemicals

Step-by-step explanation: everything we see and touch is made up of a mixture of chemicals

How many grams are there in 2 ounces?

Answers

Answer:

Step-by-step explanation:

1 ounce = 28.3 gm

2 ounce =x

x =2*28.3

x = 56.6 gm  

The rectangle is 16 inches by 25 inches. If the scale is 4 in :5 ft what is the length and width of the rectangle in feet.

Answers

Answer:

The length and width of the rectangle are 20 feet and 31.25 feet, respectively.

Step-by-step explanation:

Let the scale be [tex]4\,in\,:\,5\,ft[/tex] and the dimensions of the rectangle being 4 inches and 5 inches, respectively. The scale ([tex]r[/tex]), measured in inches per feet, is equivalent to the following rational number:

[tex]r = \frac{4\,in}{5\,ft}[/tex]

We can convert each length by dividing it by scale factor. That is:

Length

[tex]l' = \frac{16\,in}{\frac{4\,in}{5\,ft} }[/tex]

[tex]l' = 20\,ft[/tex]

Width

[tex]w' = \frac{25\,in}{\frac{4\,in}{5\,ft} }[/tex]

[tex]w' = 31.25\,ft[/tex]

The length and width of the rectangle are 20 feet and 31.25 feet, respectively.

The binary value of the ASCII letter "c" is 0110 0011. Using the handy chart that we learned in the lesson, convert this number to its decimal value. You'll need to use some math for this question 128,64,32,16,8,4,2

Answers

Answer:

Decimal value is 99

Step-by-step explanation:

To convert 01100011 to decimal, we use the zero index method by counting from the last digit

0 = 7

1 = 6

1 = 5

0 = 4

0 = 3

0 = 2

1 = 1

1 = 0

Then we proceed by multiplying the binary digits by 2 and raising them to the power of their zero-index equivalent

(0*2^7) + (1*2^6) + (1*2^5) + (0*2^4) + (0*2^3) + (0*2^2) + (1*2^1) + (1*2^0)

  =(0*128) + (1*64) + (1*32) + (0*16) + (0*8) + (0*4) + (1*2) + (1*1)

      =0 + 64 + 32 + 0 + 0 + 0 + 2 + 1

         = 64 + 32 +3

             =99

What are the points Please ASAP

Answers

Answer:

(0,1)

(0,-3)

(-2.5.-3)

Step-by-step explanation:

pls give me brainliest

:)

(0,1)(0,-3)(-2.5,-3)

I don’t know step by step

One hundred grams of radium are stored in a container. The amount RR (in grams) of radium present after tt years can be modeled by R=100e−0.00043tR=100e−0.00043t. After how many years will only 5 grams of radium be present? Round your answer to the nearest whole year.

Answers

Answer:

6967 years

Step-by-step explanation:

Given the exponential function :

R=100e−0.00043t

Time = t in years

R = final amount

Number of years in which only 5 grams of radium will be present :

R = 5

Plugging into our formula :

5 = 100 * e^−0.00043t

5 / 100 = e^−0.00043t

0.05 = e^−0.00043t

Take the In of both sides

−2.995732 = - 0.00043t

t = −2.995732 / - 0.00043t

t = 6966.819

t = 6966.819 years

t = about 6967 years

Please help me with this ASAP

Answers

I will help you if you repost this and please try to not make this blurry because I cant read it

What is the probability that the dart will hit a spot in the shaded square

Answers

Answer:

B: 1/6

Step-by-step explanation:

3 divided by 18 = 3 x 1/18 = 3/18 = 1/6 (simplified)

Can somebody help me please

Answers

It will be 110 because a circle is 360, so you subtract 250 from that and you get 110

Help i dont know the answer

Answers

Answer:

25

Step-by-step explanation:

In her first 5 days, she reads 80 pages. That means that per day, she reads 16 pages. Then, she had 400 pages left, since 480-80 = 400.

So, you divide 400/16 = 25 days.

Hi if if if if hccjhckvkbbonono uf

Need Help Due Tomorrow

MUST SHOW WORK!
don’t bother answering if not going to show work

Answers

Step-by-step explanation:

If D8=127

Therefore D4 =D8 (because corrosponding angles (forming 'F')

Therefore, the D4=D1(because vertically opposite angle)

There fore D4+D1

i. e 127+127 =254

The option (A) is the correct one

PLZZ GIVE ME BRAINLIEST TAG

THANK YOU........

In the morning, a farm worker packed 3 pints of strawberries every 4 minutes. In the afternoon, he packed 2 pints of strawberries every 3 minutes. What was the difference between the morning and afternoon pack rates, in pints per hour?
A 5
B10
C40
D45

Answers

Answer:

A 5

Step-by-step explanation:

60 mins = 1 hour

60 divided by 4 is 15

60 divided by 3 is 20

15 times 3 is 45

20 times 2 is 40

45 - 40 is 5

A 5 is the difference between the morning and afternoon

For the expression 6 + y - 3, determine the coefficient for the variable term.
A -3 B 0 C 1 D 6

Answers

Answer:  C) 1

Explanation:

Think of 6 + y - 3 as 6 + 1y - 3

y and 1y are the same thing because 1 times any number is that same number.

The coefficient is the number to the left of the variable, so the coefficient is 1.

I need the x and y value


I did it and I got 26 got both, but I’m not sure.

Answers

Answer:

x=26

y=116

Step-by-step explanation:

Answer:

Step-by-step explanation:

x8 y5

A racecar driver completes a race 30 laps in 15 minutes at a constant speed. what is the driver's speed?

Answers

Answer:

200 mph/321 km/h if the track is 1 mile long and 100 mph/160 km/h if the track is 2 miles long

Step-by-step explanation:

:
(2x – Зу = 18
(2x + y = 2

Answers

Answer:

2x = 2 × 12 = 24 24 =2x 24-6=18

3y = 3 × 2 = 6 6 =3y

2x = 2×1 = 2 2 =2x 2+0=2

y = 0 0 = y

Step-by-step explanation:

I'm not sure how the question is mentioned in the test but from my point of view I got this not sure how the it is explained in your nest im only 11 so yeh. sos if its wrong

Answer:

y = -4

x = 3

Step-by-step explanation:

I will be using the elimination method to solve this:

Begin by times -1 to the bottom equation.

[tex]2x-3y=18[/tex]

[tex]-2x-y=-2[/tex]

Add them together

[tex]0x-4y=16[/tex]

ignore the 0x and divide -4 to both sides

[tex]\frac{-4y}{-4} =\frac{16}{-4}[/tex]

y = -4

Plug y back into one of the two original equations

[tex]2x-3(-4)=18[/tex]

multiply -3 and -4 to get +12

[tex]2x+12=18[/tex]

subtract 12 to both sides

[tex]2x=6[/tex]

divide by 2 to both sides

x = 3

Write the equation of the line that passes through the points (0,7) and (-4, -9).
Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal
line.

Answers

y=4x+7

First we need to figure out the slope. We can do that using the equation (y2-y1)/(x2-x1). Substitute your numbers in for the xs and ys:

(-9-7)/(-4-0)=

-16/-4=

4

Now that we have the slope, we can figure out the intercept by using the equation y=mx+b and substituting one of the points in for x and y, the slope in for m, and solving for b.

I’m going to use (0,7) as it will be faster:

7=4(0)+b

7=0+b

7=b

The full equation will then be:

y=4x+7

subtract x^2 - 2x - 6 from -6x + 5

Answers

Answer:

x^2+4x-11

Step-by-step explanation:

x^2 - 2x - 6 - (-6x + 5)

x^2-2x-6 +6x - 5

x^2 +4x -11

YeS mOrE 9Th GrAdE mAtH (question for smart people)

Answers

Answer:

A. 4x+13

Step-by-step explanation:

distribute the 4

(4x+20) -7

4x+13

Answer:

A

Step-by-step explanation:

Can someone help me please

Answers

Answer:
17 inches

Explanation:
The Pythagorean theorem states that a^2+b^2=c^2 when c is the longest side (the hypotenuse) and a and b are the other two sides. This theorem can only be applied to right triangles.

First, plug the values into the formula.
a^2+b^2=c^2
8^2+15^2=c^2
64+225=c^2
289=c^2
Take the square root of both sides
c=17

I hope this helps!

You may use a calculator for this item.
To be a member at Salls gym, there is a one-time sign-up fee plus a monthly fee for each month of membership. The
table shows the total cost to be a member of the gym for different numbers of months.
Number of Months
3
Total Cost
$53.97
$77.94
$125.88
6
12
Create a function that gives the total cost, C. in dollars, to be a member of the gym given the number of months, m, of
membership
Enter your function in the space provided.
+
х
-
. 18
1
=
%
+ B
get rr

Answers

Answer:77.94

Step-by-step explanation:

PLEASE ANSWER NOW FOR A TEST
Triangle ABC is similar to triangle TNW. Side BC corresponds to side NW. The perimeter of triangle ABC = 13.46. What it the perimeter of triangle TNW? A. 3.365
B. 4.24
C. 10.28
D.13.46


Answers

I think it might be b

option D: 8 square root 3 cm

pls help
thanks

Answers

Answer:

is b

Step-by-step explanation:

A.42.6 square units
B. 128 square units
C. 32 square units
D. 64 square units

Answers

Answer:

Step-by-step explanation:

D. 64 square units

Sandy took a boat ride down the Guadalupe River. The boat averaged 18 miles per hour. If the trip took 4 1/2​ hour, how far down the river did Sandy ride?

Answers

Answer:

81 miles

Step-by-step explanation:

18x4=72 and then you have to add the 1/2 and 1/2 of 18 is 9 so you add 72+9=81 to get the answer. Hope this helps! <3

If the resistance in an electrical cirouit is
held constant, the amount of current
flowing through the circuit is directly
proportional to the amount of voltage
applied to the circuit. When 12v are applied
to a circuit, 240 mA of orrent flow
through the circuit. Find the new current if
the voltage is increased to 14 volts.

Answers

First you must calculate the percentage that was increased. It was increased by 2 and 2 is 1/6 of 12 therefore you must add 1/6 to the potent flow as well .1/6 of 240 is 40 and 240+40=280
Other Questions
Felicitys dog eats no more than two cups of dog food per day. Felicitys dog eats at least one-quarter cup more than one-half of the amount Martins dog eats. If the amount of food that Martins dog eats is represented by using m, which inequality represents the situation? 2 greater-than-or-equal-to one-half m + one-fourth2 less-than-or-equal-to one-half m + one-fourth2 + one-fourth greater-than one-half m2 minus one-fourth greater-than one-half m HELP GIVING BRAINLIEST!!!!!!!!!!!!!! Yo el yogur en el desayuno. O tomo O toma O compartes O comparte De ejemplos de interjecciones A basketball league awards 2 points for a win and 1 point for a tie. One team has four more wins than ties and has earned 32 points. How many games has the team won? Could someone explain how to do this, I have no idea how... The acceleration of the object may be zero and the velocity of the object may not be equal to zero Logan took out a $600 loan 2 years ago. He paid back $690. This included the original loan amount and the interest charged to him. What was the annual interest paid Logan paid? Show all work or explain in detail how you got your answer. Pt. A- Joe bob G gallons of gasoline for $2.85 per gallon and sea cans of oil for $3.15 per can. what expression can be used to determine the amount Joe spend on gasoline and oil. Pt. B- joe spent $15. He bought w cans of oil. About how many gallons of gasoline did he buy?A- 2.5B-3C-3.5D-4 4 - (2x - 3) 3 what is the value of x An almost infinite variety of types of love exists. The love for parents for their children is very different from the love of brothers for their sisters, of wives for their husbands, of kids for their pets, and on and on.-Choose two (2) people in your life whom you love, and explain how your love for each of them is different. Lucy uses a code to open a lock.The code is a letter followed by a 2-digit number.The letter is L or U.The number is a prime number between 20 and 30Write down all the possibilities for Lucy's code. plz answer all of them Which properties of operations could be used to show that (-5p + 9) + (-2 + p) is equivalent to (-5p) + p + 9 - 2? Guided PracticeDetermine whether the function rule models discrete data, continuous data, or neither.A hardware store sells bolts for $.35 apiece. The function C(p) = 0.35p relates the total cost of the bolts to the number p purchased.A.neitherB.continuous dataC.discrete data Read the excerpt from the song, "Brother, Can You Spare a Dime?"They used to tell me I was building a dreamWith peace and glory ahead-These lines emphasize the pre-Great Depression belief thatpeace and glory were the ultimate goals of WWI.O the American dream was beyond reach.American businesses were imperishable.there would always be work available. If my radius is 10 what is my circumference Capitalism and communism please help me what is the value of 4.112-8 Which of the following constants can be added to x ^2 - x to form a perfect square trinomial?1/41/21urgent Angles A and B are adjacent angles and are supplementary. The measure of A is (3x+10), and the measure of B is (12x+35).Write an equation that can be used to determine the value of x.Enter the correct answer in the box.