Alan buys a book that is on sale.

He writes the expression 0.7b to show the percent of the original cost of the book, b, that he pays.
He rewrites the expression as b−0.3b.
Which statement explains why Alan rewrites the expression?




He receives another discount on the book.


He buys another book with a different discount.


He wants to show by what percent the book was discounted.


He wants to show what percent of the original price he paid.

Answers

Answer 1

Answer:

D

Step-by-step explanation:

Answer 2

Answer:

d

Step-by-step explanation:


Related Questions

Write each product using an exponent. number one 20 × 20 number two 4 × 4 × 4 × 4 number three 2 × 2 × 2 × 2 × 2 × 2 × 2 number four 3 × 3 × 3 × 3 × 3 number five 10 × 10 × 10 number six 7 × 7 × 7 × 7 × 7 × 7 number 7 25 × 25 × 25 number 8 5 × 5 × 5 × 5 × 5 × 5 × 5 number 9 6.5 × 6.5 plaease help

Answers

Answer:

1. 20² = 400

2. 4⁴ = 256

3. 2⁷ = 128

4. 3⁵ = 243

5. 10³ = 1,000

6. 7⁶ = 117,649

7. 25³ = 15,625

8. 5⁷ = 78,125

9. 6.5² = 42.25

i wasnt really sure what you meant but i hope this helps

The Parameter of the triangle below is 11x + 6. Find the measure of the missing side.
3x-5
-2x+3

Answers

Answer: x = -13

Step-by-step explanation:

please help, I’ll mark you brainliest❤️

Answers

Answer:

565.69 Euros

Step-by-step explanation:

Every pound you multiply that by 1.13

Simplify 2(6x-3)-9(4x-5)

Answers

Answer:

the answer is: -24x + 39

Step-by-step explanation:

Answer:

-6480

Step-by-step explanation:

Draw a line through the point A that is perpendicular to the given line below

Answers

Answer:

Step-by-step explanation:

Make sure to use ruler to draw line through the point A dot to get full marks.

Thank you

The diagram shows FGH, its medians, centroid P, and the lengths of some of the subsegments. Apply the Centroid Theorem to find other lengths.

Answers

Answer:

Step-by-step explanation:

We will use two properties to solve this problem,

1). Medians of a triangle bisect the sides of a triangle.

2). Centroid of a triangle divides the medians in the ratio of 2 : 1.

Length of FH = 2 × Length of HX

                      = 2 × 12

                FH = 24

PF : PZ = 2 : 1

[tex]\frac{PF}{PZ}=\frac{2}{1}[/tex]

[tex]\frac{PF}{4}=\frac{2}{1}[/tex]

PF = 8

GX = GP + PX

GP = 9  [Given]

Since, [tex]\frac{GP}{PX}=\frac{2}{1}[/tex]

PX = [tex]\frac{9}{2}[/tex] = 4.5

Therefore, GX = 9 + 4.5

GX = 13.5

The other lengths using the centroid theorem gives us;

FH = 24

PF = 8

GX = 13.5

         The centroid of a triangle is defined as the point where the three medians intersect each other.

Now, the centroid theorem states that the centroid is ²/₃ of the distance from each vertex to the midpoint of the opposite side.

Thus, applying the centroid theorem to the given triangle gives;

FH = 2(HX)

We see that HX = 12.

Thus; FH = 2 * 12

FH = 24

Also; PF = 2(PZ)

We see that; PZ = 4

Thus;

PF = 2(4)

PF = 8

Also, GP = 2(PX)

We have GP = 9.

Thus;

9 = 2(PX)

PX = 9/2

PX = 4.5

GX = GP + PX

GX = 9 + 4.5

GX = 13.5

Read more at; https://brainly.com/question/24246680

Which expression is not equivalent to 8 + (n - 4)?

1. n + 4

2. (8 - 4) + n

3. (8 + n) - 4

4. 12 + n

Answers

Answer:

D. 12 + n

Step-by-step explanation:

To solve this question we have to simplify each equation 1 by 1 :

First, let us do the equation in the problem:

8 + (n - 4) = n +4

Now let us review the answers:

A. Is equivalent because  8 + (n - 4) = n + 4

B.  Is equivalent because (8 - 4) + n = n + 4

C. Is equivalent because (8 + n) - 4 = n + 4

and D. is not equivalent because obviously 12 + n does not equal n + 4

plz mark me brainliest :)

Complete the conversion.
4,400 yd=​___ mi

​(Type an​ integer, fraction, or mixed​ number.)

Answers

9514 1404 393

Answer:

  2 1/2 miles

Step-by-step explanation:

There are 1760 yards in a mile, so you have ...

  (4400 yd)/(1760 yd/mi) = 5/2 mi = 2 1/2 mi

Bernie needs 6 cups of cream to make ice cream. Cream is sold in pints. How many pints of cream does she need to make the ice cream?



Answers

Answer:

3 pints

Step-by-step explanation:

6 cups equals 3 pints hoope this helps :D

A circle is centered at the vertex of an angle, and the angle's rays subtend an arc that is 74.46 cm long. 1/360th of the circumference of the circle is 0.51 cm long. What is the measure of this angle in degrees?​

Answers

Answer: is it 2pi/360 because all you need is pi and arc is 1 degree

Step-by-step explanation:

1 divided by 2/6 please help

Answers

Answer:

3

Step-by-step explanation:

[tex]1 \div \frac{2}{6} \\ \\ = 1 \times \frac{6}{2} \\ \\ = 1 \times 3 \\ \\ = 3[/tex]

A science museum has an average of 424 visitors each day. The museum is open every day. Over a two-week period, how many people visit the museum?

Answers

Answer:

5936 people

Step-by-step explanation:

Answer: 5936 people visit the museum in an average of 2 weeks.

Step by Step Explanation:

There is 7 days in a week. To find the amount of day in two weeks multiply the number of days in a week by 2.

7x2=14

Next, multiply 424 by the number of days in two weeks.

424x14= 5936

The answer is, 5936 people visit the museum in an average of 2 weeks.

Ariane wants to estimate 197.6 ÷ 5.48. Which number sentence shows the best way to estimate this quotient?
100 ÷ 5 = 20
100 ÷ 10 = 10
200 ÷ 5 = 40
200 ÷ 10 = 20

Answers

Answer:

200 ÷ 5 = 40

Step-by-step explanation:

you round each number

197.6 becomes 200

5.48 becomes 5

the answer is C. this is because if you round 197.6 it goes to 200. if you round 5.48 it is 5. thus 200/5 is what you would use

You and your friend are playing "Fire-Water-Sponge." In this game, each of the two players chooses fire, water, or sponge. Both players reveal their choice at the same time, and the winner is determined based on the choices. Fire beats sponge by burning it, sponge beats water by soaking it up, and water beats fire by putting it out. If both players choose the same object, it is a tie. All the possible outcomes of the game are listed below. If we take outcomes 1,5,1,5,1, comma, 5, comma and 888 as a subset of the sample space, which of the statements below describe this subset?

Answers

187 is the answer make me Brainlyest



Find the perimeter of the figure to the right

6 yards
8 4/5 yard
9 2/3 yards
8 yards

Answers

I need to see the figure to answer the question

You make $7 for every lawn you mow.
That's a ratio of 7:1. How many lawns
would you have to mow to earn $63.

Answers

you would have to mow 9 lawns

Answer:

9

Step-by-step explanation:

you have to divide 7 from 63

A tree is 4.1 feet tall. It is expected to grow by 14 feet per year.
At this growth rate, how many years will it take for the tree to have a height greater than 40 feet Enter the answer in th

Answers

Answer:

3 Years.

Step-by-step explanation:

4.1 feet = Starting Height.

4.1 + 14 feet = 18.1 feet.

18.1 + 14 feet = 32.1 feet

32.1 + 14 feet = 46.1

Count the number of times you added 14 to your number.

1, 2, 3.

It would take 3 years for the tree to have a height greater than 40 feet.

Answer:

It will take 3 years.

Step-by-step explanation:

To solve, we need the equation:

4.1+14x > 40.

x represents the number of years.

Then plug in numbers till we get above 40.

4.1+14(1) > 40.

4.1+14 > 40.

16.1 > 40.(incorrect)

4.1+14(2) > 40.

4.1+28 > 40.

32.1 > 40.(incorrect)

4.1+14(3) > 40.

4.1+42 > 40.

46.1 > 40.(correct)

I hope this helps!

plzz help!!!!!!!
I 'll give brain liest​

Answers

Answer:

Step-by-step explanation:

1. 3x2 + 5x - 4 + 6x2 - x + 7

= combining like terms

= 9x2 + 4x + 3

2. 2y2 - 3y + 6 + y2 - 5y - 1 + (-4) + 2y2 - 2y

= 5y2 - 10y + 1

3. 2x2y - 3xy2 + x2y - 4x2y - 2xy2

= - x2y - 5xy2

4. x2 - y2 + 2x2 - 3xy + 4y2 + 3y2 - 5xy - x2

= 2x2 - 8xy + 6y2

Solve

11× +9-7


8s- 11s+ 6s ​

Answers

Answer:

i dont know  if this the answer for the first on x=1.45454545455 and the other on is 3s

Step-by-step explanation:

Can someone answer this?

Answers

Answer:

Length of mammoth's tusk in  poster = 15.33

Step-by-step explanation:

Actual height of mammoth = 10 feet 5 inches = 126 inches

Height on the poster of mammoth = 14 inches

Actual length of mammoth's tusk = 11.5 feet = 138 inches

Length of mammoth's tusk in  poster = x

126 : 14  :: 138  : x

Product of mean = product of extremes

x * 126 = 14 * 138

[tex]x = \frac{14*138}{126}[/tex]

x = 15.33

The Smith's bill at a restaurant is $85.00. How much money should Mr. Smith leave as a tip if he plans to tip 20%?

Answers

Answer:

He is going to tip 17$

Step-by-step explanation:

Given :-

Mrs. Smith left a 20% tip for a dinner that cost $85.

To find :-

About how much tip did Mrs. Smith leave?

Solution :-

The tip is 20% of $85

• Calculating 20% of $85

$ 85 * 15%

$ 85* 15/100

$ 12.75

Simplify the expression completely 3z+9+5z-4

Answers

Answer:8z+5

Step-by-step explanation: Add 3z to 5z  which equals 8z and do 9-4 which equals 5 .Lastly add together.

For her birthday, Melissa gets
a $100 gift card to a local
bookstore. Each week, Melissa
treats herself to a $5 book.
Write a function for the
situation.
After how many weeks, will
Melissa have $20 left in the
gift card?
pls answer asap

Answers

Answer:

i have no idea 23

Step-by-step explanation:

At a vacation resort, the afternoon activity is either hiking or horseback riding. The activity organizers track the participants by age and create this frequency table.
AGE IN YEARS
Under 50 50 and Over
Hiking 28 26
Horseback Riding 18 13
Which statement best summarizes interest in hiking by the age categories shown in the table?
The relative frequency for participants under age 50 who preter hiking is 2 percentage points more than that of participants age 50 or over who prefer hiking.
The relative frequency for participants under age 50 who prefer hiking is 6 percentage points more than participants age 50 or over who prefer hiking.
The relative frequency for participants age 50 or over who prefer hiking is 2 percentage points more than that of participants under the age 50 who prefer hiking.
The relative frequency for participants age 50 or over who prefer hiking is 6 percentage points more than that of participants under age 50 who prefer hiking.

Answers

Answer: Pretty sure its the first one

Step-by-step explanation: 28 out of 54 is 51.851 and 26 of 54 is 48.15.

Find the total surface area of a right circular cylinder whose radius is 3 units and whose height is 5 units.​

Answers

Answer: 48 *pie sign*

Step-by-step explanation:

connie can type 675 words in 15 mins please help!!

Answers

Answer: 45 words per minute.

Step-by-step explanation: I'm not exactly sure what you're asking, but Connie types 45 words per minute (675/15 = 45).

Ellie's mom has $75 and shares it equally between her 5 children. How much money does each child get?

Answers

Answer:

15

Step-by-step explanation:

because it's is 15 and you can add 15 5 times n get 75

Witch Are the correct steps for evaluating 16b + 8 divided by 2 when b=4

Answers

the answer is a, i hope its correct

Answer:

a because you multiply b by 8 then add 2 by 4 subtract it then boom hope i right

Step-by-step explanation:

i think a too

Please answer this pleease

Answers

Answer:

D

Step-by-step explanation:

it is 200 km north and 50 east from the airport meaning it is 250 km away from the airport 100west and 50 north meaning it is 130 km away from the airport 130 + 250 = 380 km. 380 km is closest to 400 so D.

A population has 75 observations. One class interval has a frequency of 15 observations. The relative frequency in this category is:

Answers

Answer:

The relative frequency in this category is 0.2

Step-by-step explanation:

The relative fraquency of a category is given by the number of observations in this category divided by the total number of observations.

In this question:

The category of interest has 15 observations.

In total, the population has 75 observations.

So the relative frequency is:

[tex]\frac{15}{75} = \frac{1}{5} = 0.2[/tex]

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