A lamp is on sale, and its price is reduced from $80 to $50. What is the percent of decrease? Select from the drop-down menu to correctly complete the statement.

Answers

Answer 1
Answer:

The percentage decrease is equal to the change in price ( the decreased amount) divided by the original amount, then multiplied by 100. We have,

Percentage decrease = (80-50)/(80)=0.375*100=37.5 %

ANSWER: 37.5%

Answer 2
Answer: $80 - $50 = $30

$30 * 100 / $ 80 = 37.5%

answer: 37.5% of decrease.





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What is the unit rate of 6.50

2 trifles cost £7
how much do 6 trifles cost

Answers

Answer:

£21

Step-by-step explanation:

Use ratios! Amount of trifle: Amount of money

2:7

*3 *3

6:21

£21

Answer:

23

Step-by-step explanation:

multiply the cost by 3

Select the expression that represents the following statement: multiply 6 by 2, and then subtract 4. 1- 2 − 4 x 6
2- 6 x 2 − 4
3- 6 + 6 + 4 − 2
4- 6 x 4 − 2

Answers

Answer: 2. 6 X 2 -4

Step-by-step explanation:

Only 2 fits the descriptions, where 6 is multiply 2, 6 x 2. And we subtract 4 from it, 6 x 2 -4.

A golf course in Phoenix, Arizona, uses an average of 80 million gallons of water daily for irrigation. An average family of four (also living in Phoenix, AZ) uses 325,851 gallons of water per year. Rounded to the nearest ten, how many families of four can one golf course provide water for?

Answers

Answer:

89610 family

Step-by-step explanation:

An average family of four (also living in Phoenix, AZ) uses 325,851÷365 gallons of water per day

then

An average family of four (also living in Phoenix, AZ) uses 892.74247 gallons of water per day

therefore

the number of families of four can one golf course provide water for :

80 000 000÷892.74247=89611.509

the number of families of four can one golf course provide water for :

[rounded to the nearest ten] 89610.

:)

Answer:

Around 250 families can be provided with one golf course.

Step-by-step explanation:

Givens

  • A golf course uses 80 million gallons of water daily.
  • A family of four uses 325,851 gallons of water per year.

This situation can be described by the following equation

325,851x=80,000,000

Where x indicates the number of families that could use the 80 million galons of water.

Let's solve for x

x=(80,000,000)/(325,851)\n x \approx 250

Therefore, around 250 families can be provided with one golf course.

Jan's Age is 3 years less than twice Tritts age. The sum of their ages is 30. Find their ages.

Answers

Their ages are jan's age = 19 and tritts age be 11 yaers

What is Algebra?

Algebra is a branch of mathematics that deals with symbols and the arithmetic operations across these symbols. These symbols do not have any fixed values and are called variables. In our real-life problems, we often see certain values that keep on changing. But there is a constant need to represent these changing values.

Given:

Jan's Age is 3 years less than twice Tritts age.

sum of their ages is 30.

let tritts age be x

jan age= 2x -3

Now, sum of their ages = 30

x+ 2x-3 = 30

3x= 33

x=11

hence, jan's age = 19 and tritts age be 11 yaers

Learn more about algebra here:

brainly.com/question/953809

#SPJ2

2x-3+x=30
3x-3=30
3x=33
Tritts age=x=11
Jans age=2x-3=2(11)-3=22-3=19

Tritt=11
Jan=19

Find the range for f(x) = x^2 1, for x < 0.y ≥ 1
y > 1
y < 1
y ≤ 1

Answers

For x < 0, range is y ≤ 1.

Pentagon ABCDE and pentagon A'B'C'D'E' are shown on the coordinate plane below: Pentagon ABCDE and pentagon A prime B prime C prime D prime E prime on the coordinate plane with ordered pairs at A negative 4, negative 2, at B negative 6, negative 3, at C negative 5, negative 6, at D negative 2, negative 5, at E negative 2, negative 3, at A prime 3, 1, at B prime 1, 2, at C prime 2, 5, at D prime 5, 4, at E prime 5, 2 Which two transformations are applied to pentagon ABCDE to create A'B'C'D'E'? Translated according to the rule (x, y) →(x + 7, y + 1) and reflected across the x-axis Translated according to the rule (x, y) →(x + 1, y + 7) and reflected across the x-axis Translated according to the rule (x, y) →(x + 7, y + 1) and reflected across the y-axis Translated according to the rule (x, y) →(x + 1, y + 7) and reflected across the y-axis

Answers

Answer:

Translated according to the rule (x, y) →(x + 7, y + 1) and reflected across the x-axis

Step-by-step explanation:

We are given Pentagon ABCDE.

with vertices as:

A (-4,-2) , at B(-6,-3) at C (-5,-6), at D (-2,-5) at E (-2,-3)

and the pentagon A'B'C'D'E' with vertices as:

A'(3,1) , B'(1,2) , C'(2,5) , D'(5,4) and E'(5,2).

Clearly we could observe that the image is formed by the translation and reflection of the pentagon ABCDE.

First the Pentagon is translated by the rule:

(x,y) → (x+7,y+1) so that the pentagon is shifted to the fourth coordinate  and then it is reflected across the x-axis to get the transformed figure in the first coordinate plane as Pentagon A'B'C'D'E'.

Hence, the answer is:

Translated according to the rule (x, y) →(x + 7, y + 1) and reflected across the x-axis

The first choice is the correct answer.

To move from the lower left shape to the upper right shape, you first have to move 7 units to the right and then up 1 unit. (x + 7, y + 1).

Then, you have to flip it over the x-axis to get it up in the first quadrant.