The grocery store has 20% off from the original price on cereal. The equation for finding the sale price would be y = x - (.20x). What is the sale price if the cereal cost $3.00?


$2.20


$2.50


$2.40


$2.30

Answers

Answer 1

Step-by-step explanation:

y = x - 0.2x

y = 0.8x

When x = $3.00, y = (0.8)($3.00) = $2.40.

The sale price is $2.40.

Answer 2

Answer:

$2.40

Step-by-step explanation:

y = x - 20% of x

where x is $3.00

20% would be 1/5 of 3.00 = 3/5

3 - 3/5 = 15-3/5 = 12/5 = $2.40


Related Questions

h (x) =4x-2 complete the function table

Answers

Note:

You did not mention the table of the points. But, I would try to clear your concept by taking 6 sample points.

Answer:

The table and the graph of the function h(x) = 4x-2 is also attached below.

Step-by-step explanation:

Given the function

[tex]h(x) = 4x-2[/tex]

substituting x = 0 in the function

h(0) = 4(0) -2 = 0 -2 = -2

Therefore, the point (0, -2) satisfies on the function.

substituting y = 1 in the function

h(1) = 4(1) -2 = 4 -2 = 2

Therefore, the point (1, 2) satisfies on the function.

substituting y = 2 in the function

h(2) = 4(2) -2 = 8 -2 = 6

Therefore, the point (2, 6) satisfies on the function.

substituting y = 3 in the function

h(3) = 4(3) -2 = 12 -2 = 10

Therefore, the point (3, 10) satisfies on the function.

substituting y = 4 in the function

h(4) = 4(4) -2 = 16 -2 = 14

Therefore, the point (4, 14) satisfies on the function.

substituting y = 5 in the function

h(5) = 4(5) -2 = 20 -2 = 18

Therefore, the point (5, 18) satisfies on the function.

Therefore, we conclude that table:

x                  h(x) = 4x-2

0                  -2

1                    2

2                   6

3                   10

4                   14

5                   18

The graph of the function h(x) = 4x-2 is also attached below.

How can I find the area for a semi circle that is 11 inches tall, 4.8 inches wide and 3.7 feet long (if I’m not making to much sense, I have a reference photo here)

Answers

Answer:

195.36

Step-by-step explanation:

11 x 4.8 =52.8

52.8 x 3.7 = 195.36

A=195.36

Luna's bill for lunch at a restaurant was $11. She left a 20% tip. What was the amount of the tip?

Answers

Answer:

$2.20

Step-by-step explanation:

If you want to leave a 20% tip, multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total including tip.

What is this? Please answer with an explanation

Answers

-5 would be the answer

Answer:

see explanation

Step-by-step explanation:

Given

f(x) = - [tex]\sqrt{x+11}[/tex] - 3 ← substitute x = - 7

f(- 7) = - [tex]\sqrt{-7+11}[/tex] - 3

       = - [tex]\sqrt{4}[/tex] - 3

       = - 2 - 3

       = - 5 ← output is real

a retailer makes a profit of 5% by selling a fan for Rs 735 at what price did he purchase the fan​​

Answers

Answer:

[tex]\large\boxed{\pink{\sf \leadsto He \ purchased \ the \ fan \ for \ Rs 700. }}[/tex]

Step-by-step explanation:

Given that , a retailer makes a profit of 5% by selling a fan for Rs 735 . So let us take CP be x .

Now , here

[tex]\implies \red{\sf Profit \ made \ by \ retailer = 5\% }[/tex]

Here we assumed CP to be x , and profit % is 5% . So , its SP will be

[tex]\implies SP = CP + 5\% \ of \ CP \\\\\implies Rs 735 = x + \dfrac{5}{100}x \\\\\implies \dfrac{100x+5x}{100}= Rs 735 \\\\\implies \dfrac{105x }{100}= Rs 735 \\\\\implies x = \dfrac{735\times 100}{105} \\\\\underline{\boxed{\orange{\tt \implies x = Rs 700 }}}[/tex]

Hence the CP of the fan was Rs 700 .

Solve 15 ≥ -3x or 2/5x ≥ -2.

Answers

Answer:

[tex]15 \geqslant - 3x \\ \frac{15}{3} \geqslant - x \\ 5 \geqslant - x \\ - 5 \leqslant x[/tex]

[tex] \frac{2}{5}x \geqslant - 2 \\ x \geqslant - 2 \times \frac{5}{2} \\ x \geqslant - 5[/tex]

Answer:

{x | x ≥ -5}

Step-by-step explanation:

Solve -9 <4x+3 11.
O A. x>-3 and xs 2
B. X> 3 or xs 2
O C. x>-3 or xs 2
O D. x > 3 and xs3

Answers

Answer:

c) x > -3 or x ≤ 2

Step-by-step explanation:

We are asked to solve this algebraic expression

-9 < 4x+3 ≤ 11.

We have two parts:

a) -9 < 4x+3

b) 4x+3 ≤ 11

For

a) -9 < 4x+3

Subtract 3 from both sides

-9 - 3 < 4x + 3 -3

-12 < 4x

-12/4 < x

-3 < x

x > -3

b) 4x+3 ≤ 11

Subtract 3 from both sides

4x + 3 -3 ≤ 11 - 3

4x ≤ 8

x ≤ 8/4

x ≤ 2

Hence, our answer is

x > -3 or x ≤ 2

Megan went to the store and bought 4 notebooks and 9 pencils for a total of $8.25. Joanne went to the same store and bought 7 notebooks and 14 pencils for a total of $14. What was the price per pencil and the price per notebook?

Answers

Let notebooks be x and let pencils be y

4x+9y=8.25 (equation 1)
7x+14y=14.00 (equation 2)

Multiply equation 1 by 7
So that you get 28x+63y=57.75

Multiply equation 2 by 4
So that you get 28x+56y=56.00

28x+63y=57.75 -
28x+56y=56.00
-----------------------
7y=1.75

Divide both sides by 7
1.75/7 is 0.25

So, now we know that one pencil costs 0.25 cents

Sub this y value into equation one

4x+9(0.25)=8.25

4x+2.25=8.25

Move 2.25 to the other side as a negative number

4x= 6

Divide both sides by 4

6/4 is $1.50

So, one pencil is equal to 0.25 cents and one notebook is equal to $1.50

Answer fast please
Brainliest for correct answer

Answers

It’s the third option

Answer:

Put the arrow facing the left with a non-filled up dot at the point between 31 and 32.

Step-by-step explanation:

x < 31.5 means that x is lesser than 31.5 and so x cannot be 31.5 itself.

< means lesser.

> means more than.

A filled up dot means that the number itself is included in the values of x.

A non-filled up dot means that the number itself is not included in the values of x.

An arrow facing left means lesser than that number.

An arrow facing right means more than that number.

Since 31.5 is not included in the values of x, we will be using the non-filled up dot.

please help me i need it now

Answers

Answer:

firstly we have to do cross multiplication

a*2= 6*15

2a = 90

a = 90/2

a = 45

hope my answer is helpful to you

Please help!!!!!!!!!!! ​

Answers

Answer:

The ordered pair (15, 12) means that 15 pounds of beans cost $12.

Step-by-step explanation:

Ordered pairs are in the format of (x,y). The first number represents a point's position on the x-axis and the second represents a point's position on the y-axis. Also note that in this graph, the x-axis represents the weight of beans in pounds and the y-axis represents the cost of beans.

Knowing this, (15,12) means that 15 pounds of beans must cost $12.

15 pounds cost $12.
That is your answer for the ? Boxs

ANSWER ASAP PLS YEY BRAINLIEST AND STUFFsolve for x 2/3=x-1/5

Answers

Answer:

x = 13/15

Step-by-step explanation:

If x - 1/5 = 2/3,

you can find x by doing 2/3 + 1/5.

2/3 = 10/15

1/5 = 3/15

10/15 + 3/15 = 13/15!

Hope this helps! Happy Holidays! XD

ANSWER ASAP BRAINEST AND POINTS IF CORRECT EASY 6TH GRADE MATHH Simplify. Enter the anser in the box. image above ^^

Answers

Answer:

1.1

Step-by-step explanation:

Answer:

1.1

Step-by-step explanation:

There are 50 balls in one box. The number of red balls is 30 and the number of blue and yellow balls are 20 . Find the number of blue balls in the box. ​

Answers

Answer:

ffgjjlii89888888888888999999uoggvjlpjk

Answer:10 blue balls

Step-by-step explanation:

PLEASE HELP QUICK
Find the length of each intercepted arc given the angle measure and radius. Give your answers in terms of pi and round to the nearest tenth place.

1. 3pi/4 ; r= 10mm

2. 8pi/7 ; r= 17.5yds

Answers

Answer:

r= 18

Step-by-step explanation:

Зх - у = 10
2х - y= 7

Answers

Answer:

(3, -1)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

3x - y = 10

2x - y =  7

Step 2: Rewrite Systems

3x - y = 10

Subtract 3x on both sides:                    -y = 10 - 3xDivide -1 on both sides:                         y = 3x - 10

Step 3: Redefine Systems

y = 3x - 10

2x - y = 7

Step 4: Solve for x

Substitution

Substitute in y:                    2x - (3x - 10) = 7Distribute -1:                        2x - 3x + 10 = 7Combine like terms:           -x + 10 = 7Isolate x term:                     -x = -3Isolate x:                              x = 3

Step 5: Solve for y

Define equation:                    3x - y = 10Substitute in x:                       3(3) - y = 10Multiply:                                  9 - y = 10Isolate y term:                         -y = 1Isolate y:                                 y = -1

86% percent of senators support a bill.

Answers

thank you for adding new information to my brain
have a nice day or night

Help plz:)))I’ll mark u Brainliest

Answers

The angle s is 29° stated in the directions.

29+90= 119 (the 90 is from the right triangle)
180-119=61 (180 is the degree of a triangle)
61= 8x-27
Add 27 to the other side
88=8x
X=11

Hope it helps!

Two rectangle are similar, the first 4 in wide and 15 in long. The second is 19 in. Wide. Find the length of the second rectangle?

Answers

Answer:

the length of the second rectangle is 33.75 in

Step-by-step explanation:

The computation of the length of the second rectangle is as follows

Let us assume the length of the second triangle be x

Now

The equation would be

4 ÷ 15 = 9 ÷ x

Now do the cross multiplication

4x = 15 × 9

4x = 135

x = 33.75 in

Hence, the length of the second rectangle is 33.75 in



MAKING AN ARGUMENT You and a friend are going hiking but start at different locations. You start at the trailhead and walk 5 miles per hour. Your friend

starts 3 miles from the trailhead and walks 3 miles per hour.

your friend

a. Using y to represent the distance each person walks and x to represent the number of hours walked, write a system of linear equations that represents this

situation.

Answers

Answer:

[tex]y = 5x[/tex] -- You

[tex]y = 3 + 3x[/tex] --- Your friend

Step-by-step explanation:

Given

You:

Trailhead implies the beginning so:

[tex]Start = 0\ mile[/tex]

[tex]Rate = 5miles/hour[/tex]

Your Friend

[tex]Start = 3\ mile[/tex]

[tex]Rate = 3miles/hour[/tex]

Required

Represent as an equation

From the question, we understand that:

[tex]y = distance[/tex]

[tex]x = number\ of\ hours[/tex]

So, the relationship between [tex]distance\ and\ time\ is:[/tex]

[tex]Distance = Start + Rate * Number\ of\ hours[/tex]

In terms [tex]of\ x\ and\ y[/tex], we have:

[tex]y = Start + Rate * x[/tex]

For you, the equation becomes:

[tex]y = 0+ 5* x[/tex]

[tex]y = 0+ 5x[/tex]

[tex]y = 5x[/tex]

For your friend, the equation becomes:

[tex]y = 3 + 3 * x[/tex]

[tex]y = 3 + 3x[/tex]

Answer:You

Step-by-step explanation: you are just better gangy

pls help asap no trolls!

Answers

Step-by-step explanation:

Sum of angles in a triangle = 180°

Angle W = 180° - 62° - 57° = 61°

The shortest side is directly opposite the smallest angle.

(for acute angles)

Hence the shortest side is opposite 57°, which is VW.

Answer:

VUW

62 + 57 + x = 180

119 + x = 180

x = 180 -119

x= 61

therefore smallest angle is 57° (vuw)

i need help pls like now if you can pls help me!​

Answers

Answer:

With what there is nothing there

Step-by-step explanation:

would you like to have the couch delivered​

Answers

Answer:

No thank you is the best answer

Answer:

yeah sure what is the date it will be delivered

Step-by-step explanation:

pls hrlp me on this​

Answers

Answer:

0,4

Step-by-step explanation:

1. 2/5=0,4; 6/15=0,4; 8/20=0,4. It means, the constant of proportionality is 0,4.

2. if the constant value is 0,4, then x:1=0.4 ⇒ x=0,4

Please give me the answer
What is the value of the expression

Answers

Answer:

Step-by-step explanation:

4*7+[tex]2^{4}[/tex]

=28+2*2*2*2

=28+16

=44

did you not have a calculator?

The answer is 44

Hope this helped

Please help how to solve

Answers

Answer:

[tex] = > in \: the \: bigger \: triangle \\ height = 14 \: ft \\ base = 22.5 \: ft \\ = > in \: smaller \: triangle \\ height = x \: ft \\ base = 9 \: ft \\ using \: ratios \\ \frac{bigger \: height}{smaller \: height} = \frac{bigger \: base}{smaller \: base} \\ \frac{14}{x} = \frac{22.5}{9} \\ \frac{14}{x} = 2.5 \\ x = \frac{14}{2.5} \\ x = 5.6 \: ft[/tex]

Divide. Write the answer in simplest form 2 1/2 ÷ 8​

Answers

Answer:

Step-by-step explanation:

2.5/8

(5/2) / 8

(5/2) * (1/8)

5/16

The table shows the number of points the Lions scored and allowed in 8 games. Based on the data, which sentence is true? The median for points scored is greater than the median for points allowed. Lions' Games The mode for points allowed is greater than the mode for points scored. Points Scored 24 21 18 17 24 31 22 28 Points Allowed 16 10 27 21 21 24 28 The mean for points allowed per game is greater than the mean for points scored per game. The range for points scored is greater than the range for points allowed.​

Answers

Answer:

The range for points scored is greater than the range for points allowed.

Step-by-step explanation:

Points scored: 175

Points allowed: 168

The true sentence is that the range for points scored is greater than the range for points allowed.

What is mean?

The mean of observations is equal to the ratio of sum of all the observations and the number of observations.

Points scored by the lion in the 8 games are

24 + 21 + 18 + 17 + 24 + 31 + 22 + 28 = 175.

Points allowed in the 8 games are

16 + 10 + 27 + 21 + 21 + 24 + 28 = 168

Thus, the range for points scored is greater than the range for points allowed.​

Learn more about mean.

https://brainly.com/question/11822836

#SPJ5

Does the equation y = x represent a function? Explain why or why not.

Answer in complete sentences.

Answers

Answer:

It represents a function because it consists of x-intercept and y-intercept hence can be plotted.

The mean length of 6 childrens' big finger is 9cm. The mean length of 4 adults' big finger is 9.7cm. What is the mean length (rounded to 2 DP) of these 10 people's big finger?

Answers

Answer:

rasdgfdkjc

Step-by-step explanation:

iiyiy UK ynybubuny6mb6bybnbttbyvvycyvyb

Answer:

(6*9)+(4*9.7)=92.8

92.8÷10= 9.28cm

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