A library is having a book sale. Hardcover books sell at $5 and paperbacks are $3
each. If buys 12 books and spends exactly $54, how many of each type of book
did she buy?
Please helppppp

Answers

Answer 1
9•5=45 and 3•3=9 so 9+45=54 so 9 hardcovers are bought and 3 paper backs are bought.

Related Questions

Find the area of this composite figure.

Answers

Answer: ≈ 551.71 ft²

All work is shown in the picture.

Answer:

551,7

see in the picture, this composite figure is made up of a rectangle and 2 halves of a circle

=> the area of this composite figure = the area of a rectangle + the area of a circle

+) the area of the rectangle = 15.25 = 375

+) the area of the circle = (15/2)².pi = 56,25pi

=> the area of this figure = 375 + 56,25pi = 551,7

Write the equation of the line, in point-slope form, that passes through the points (-6, -11) and (-2, -3).

Answers

Answer:

6 ..........................

66666666666666666666

Which expression gives the measure of ABC?

A. 1/2(110° + 20°)
B. 1/2(110 -20°)
C. 110° - 20°
D. 110° + 20°

Answers

Answer:

A. 1/2(110° + 20°)

Step-by-step explanation:

[tex] \huge \orange{m\angle ABC} \pink{ = } \purple{\frac{1}{2} (110 \degree + 20 \degree)}[/tex]

Answer:

A

Step-by-step explanation:

The chord- chord angle ABC is half the sum of the arcs intercepted by the angle and its vertical angle, that is

∠ ABC = [tex]\frac{1}{2}[/tex] (110 + 20)° → A

           = 0.5 × 130°

           = 65°

A dog and a cat together costs $110. If dog costs $100 more than the cat. What is the cost of the cat?

Answers

Answer:

cat costs $10

Step-by-step explanation:

Answer:

$5

Step-by-step explanation:

$110=2x+$100 $10=2x x=5

answer this! i’ll give brainliest

Answers

Answer:

-0.6, -1/4, 0.3, 1/2

Step-by-step explanation:

Give me brainliest.

Answer:

-0.6, -1/4, 0.3, 1/2

Step-by-step explanation:

If 18 oz of laundry detergent costs $14.94. What is the unit rate?

Answers

Answer: $2.45

Step-by-step explanation:

Amy has 4 pounds of ground pork to make meatballs. She uses 5/8 pound per meatball to make 6 meatballs. How many 1/8 ​-pound meatballs can amy make with the remaining ​?

Answers

6 meatballs * (⅝ pound)/meatball = 3.75 pounds
3.75 pounds was used. 0.25 remains.

0.25 pound * (1 meatball)/(⅛ pound) = 2 meatballs

Write the prime factorization of each number

5). 48

6). 20

7). 66

8). 34

Answers

Answer:

5). 4×4×3

6). 5×2×2

7). 11×3×2

8). 17×2

Step-by-step explanation:

These are the prime factorizations.

Sadie had 55 stickers. Each day she gave away 5 stickers to her friends.
Write an equation to model this situation in the form y = mx + b, but do not
include any spaces in your answers. (for example y=6x+1)

Answers

Answer:

55 = 5x

Step-by-step explanation:

Sadie had 55 stickers. Each day she gave away 5 stickers to her friends.

Write an equation to model this situation in the form y = mx + b, but do not

include any spaces in your answers. (for example y=6x+1)

Equation to model this situation in the form y = mx + b,

y = Total number of stickers she had

x = Number of days that she gave away sticker

b = Fixed value = 0

Hence:

55 = 5x + b

b = Fixed value = 0

Therefore, the situation is represented as:

55 = 5x

(07.02)

What is the value of x in the equation 3(2x + 8) = 0? (4 points)

−8

8

4

−4

Answers

Answer:

your answer is D-4

Step-by-step explanation:

3(2x+8)=0

Step 1: Simplify both sides of the equation.

3(2x+8)=0

(3)(2x)+(3)(8)=0(Distribute)

6x+24=0

Step 2: Subtract 24 from both sides.

6x+24−24=0−24

6x=−24

Step 3: Divide both sides by 6.

6x

6

=

−24

6

x=−4

Hope this helped.

A truck weighs 3.5 tons. How many pounds does the truck weigh?

Answers

Answer:

7000 pounds

Step-by-step explanation:

theres 2000 pounds in a ton

3.5tons * 2000pounds = 700 tons

5,000 pounds, which is 3.5 tons.

3) On a map of the U.S.,
Phoenix, AZ. is located at
(7,4.5) and Las Vegas,
NV. is located at (8.5, 18).
Each unit on the map
equals 19.5 miles. What
is the approximate
distance between the two
cities?

Answers

Answer:

55

Step-by-step explanation:

ebbjsb c jv  djcbvbbf hdcndjv  dbvndjv dhvjbd djbvdj

a solid metal cone with radius of base 12 cm and height 24 cm is melted to form spherical solid balls of diameter 6 cm each. Find the number of the balls thus formed​

Answers

Answer:

32 solid balls are formed.

Step-by-step explanation:

Let suppose that volume of the cone is equal to the total volume of balls, of which we derive the following formula:

[tex]\frac{1}{3}\cdot \pi\cdot R^{2}\cdot h = \frac{1}{6}\cdot \pi \cdot n \cdot D^{3}[/tex] (1)

Where:

[tex]R[/tex] - Radius of the base of cone, measured in centimeters.

[tex]h[/tex] - Height of cone, measured in centimeters.

[tex]D[/tex] - Diameter of sphere, measured in centimeters.

[tex]n[/tex] - Number of balls, no unit.

Then, we clear the number of balls:

[tex]2\cdot R^{2}\cdot h = n\cdot D^{3}[/tex]

[tex]n = \frac{2\cdot R^{2}\cdot h}{D^{3}}[/tex]

If we know that [tex]R = 12\,cm[/tex], [tex]h = 24\,cm[/tex] and [tex]D = 6\,cm[/tex], then the number of balls is:

[tex]n = \frac{2\cdot (12\,cm)^{2}\cdot (24\,cm)}{(6\,cm)^{3}}[/tex]

[tex]n = 32[/tex]

32 solid balls are formed.

URGENT!!!!

25/90= 0.27
WHAT IS O.27 ROUNDED TO THE NEAREST TENTH!!

PLEASE ANSWER!!

Answers

Answer:

0.3 since the 7 is bigger than 4 :)) just round up the tenth is the number after the decimal

the answer is 0.3. have a great day :))

A-line includes the points (8,9) and (9,1). What is its equation in point-slope form?

Answers

Answer:

[tex]y-(9)=(-8)(x-8)\\[/tex]

Step-by-step explanation:

[tex](x_1, y_1) = (8, 9)\\(x_2, y_2) = (9,1)\\[/tex]

Step one: Find the slope (m)

[tex]slope=m=\frac{rise}{run} =\frac{y_2-y_1}{x_2-x_1} = \frac{1-9}{9-8} =\frac{-8}{1} =-8[/tex]

Step two: Plug your known values into the point-slope equation

[tex]m=-8\\y_1=9\\x_1=8\\[/tex]

Point-slope form is [tex]y-y_1=m(x-x_1)[/tex]

[tex]y-(9)=(-8)(x-8)\\[/tex]

If you want to convert point-slope form to general form, isolate for y.

[tex]y-9=-8x+64\\y=-8x+73[/tex]

Care este cel mai mic număr dintre 95.999,96.959,99.595 și 99.995 la care cifra unităților de mii este 5

Answers

Răspuns:

95.999

Explicație pas cu pas:

Care este cel mai mic număr între 95.999; 96.959; 99.595 și 99.995, unde numărul de mii este 5

95.999 = Nouăzeci și cinci de mii nouă sute nouăzeci și nouă

96.959 = Nouăzeci și șase de mii nouă sute cincizeci și nouă

99595 = Nouăzeci și nouă de mii cinci sute nouăzeci și cinci

99995 = Nouăzeci și nouă de mii, Nouă sute nouăzeci și cinci.

Folosind cunoștințele despre linia numerică:

95.999 <96.959 <99.595 <99.995

Write an equation in slope-intercept form of the line that passes through the points (- 2, - 2) and (5, 12)

The equation is y=

Answers

Answer:

y= 2 x + 2 i think

Step-by-step explanation:

can someone help me with this please, i am not sure what to do

Answers

Answer:

I attached the graph below

Step-by-step explanation:

I started at the y-intercept, because it is where the line crosses the y-axis.  Then, I used rise/run for the slope (-5/3) and went down 5 units and right 3 units.  I connected the points to make the graph.  

PLEASE HELP ASAP!!
Please could I have the answers or step by step I don’t mind just PLEASEE help asap!!

Answers

Ok first you need to get a common denominator of 3 and 5 the smallest one would be 15 so then you rewrite both but remember if you do something to the bottom u have to do it to the top so you multiplied 3by 5 to get 15 to get your bottom then you have to times 5by 1 to get 5. So 5/15,same process for 3/5




5/15+ 9/15=9+5=14 so 14/15 (you keep the bottom the same) also it doesn’t need to be simplified because nothing can go into 14and 15 evenly





Same process for subtracting just subtract in the end so...

30/35-14/35= 16/35 also can’t be simplified evenly
In the end your answers are

1.14/15
2.16/35

Statements Reasons
Given: Circle X with radius r and circle
Y with radius s
Prove: Circle X is similar to circle Y.
translate X to Y
circle X - circle Y
dilate circle X by sir
Circle with center X
has radius r
circle with center Y
has radius s
Statements
Reasons
Assemble the proof by dragging tiles to
the Statements and Reasons columns.

Answers

Answer:1. Circle with center X had radius r ; Given

Circle with center Y had radius Y has radius S ; Given

Translate X to Y ; Translation is a similarity transformation

Dilate circle X by s/r ; Dilation is a similarity transformation

Circle X ~ Circle Y ; a composition of similarity transformation maps circle X to circle Y

Step-by-step explanation:

Answer:

Step-by-step explanation:

:)

please help me please

Answers

Answer:

Answer is a.multiplication.

Step-by-step explanation:

I hope it's helpful!

Use the regression calculator to compare the teams’ number of runs with their number of wins.

A 2-column table with 9 rows. Column 1 is labeled R with entries 808, 768, 655, 684, 637, 619, 613, 609, 563. Column 2 is labeled W with entries 93, 94, 66, 81, 86, 75, 61, 69, 55.

What is the y-intercept of the trend line, to the nearest hundredth?

Answers

Answer:

-23.21

there should be a two part for this and the answer would be D y= 0.15x - 23.21

Step-by-step explanation:

The line of best will be y = 0.15x - 23.21  and the y-intercept is -23.21 after applying the formula.

What is the line of best fit?

A mathematical notion called the line of the best fit connects points spread throughout a graph. It's a type of linear regression that uses scatter data to figure out the best way to define the dots' relationship.

[tex]\rm m = \dfrac{n\sum xy-\sum x \sum y}{n\sum x^2 - (\sum x)^2} \\\\\\\\\\rm c = \dfrac{\sum y -m \sum x}{n}[/tex]

The data is given:

R(x)     W(y)

808     93

768     94

655     66

684     81

637     86

619     75

613     61

609     69

563     55

The line of best fit can be written as:

y = mx + c

Here m is the slope of the line best fit and c is the y-intercept

Putting the values in the formula we get:

m = 0.15

c = -23.21

The line of best fit is:

y = 0.15x - 23.21

Thus, the line of best will be y = 0.15x - 23.21  and the y-intercept is -23.21 after applying the formula.

Learn more about the line of best fit here:

brainly.com/question/14279419

#SPJ6

Can u help me with Circles and Composite Figures?​

Answers

Answer:

What type 9f composite figure?

Step-by-step explanation:

Pls send an attachment

Answer:

please can you bring the images of the circles and Composite Figures you want us to help you out.

Step-by-step explanation:

There is no attachment so please how can your question be answered.

Help quick pllzzz :((

Answers

Answer:

15,000

Step-by-step explanation:

if layla can right 20 essays in 15 minutes and 8 in 6 minutes then how many can she right in 45 minutes?​

Answers

Answer:

60! hope this helps!

Step-by-step explanation:

Work out m and c for the line:
y= 2x + 5

Answers

Y = mx + c
m = 2
c = 5

HELPP ITS MY LAST QUESTION AND IM TIMED

Answers

Answer:

the correct answer is A less than my good sir ( or ma'am )

Step-by-step explanation:

Simplify the expression 6h+​(−7.7d​)−18+5d−2.8h
.​

Answers

Answer : -2.7d+3.2h-18

Please leave a thanks <3
Use Photomath it gives out detailed answers

Use the triangle to find the missing angle. Round to the tenths if necessary.

Answers

Answer:

Step-by-step explanation:

69

Choose the method of pay that would result in the most earnings for one month on sales of 73,620

Answers

Answer:

Step-by-step explanation:

For option A: Earning = 0.06 x $73,620 = $4,417.20

For option B: Earning = $3,000 + 0.02 x $73,620 = $3,000 + $1,472.40 = $4,472.40

For option C: Earning = 0.04 x $50,000 + 0.09 x ($73,620 - $50,000) = $2,000 + 0.09 x $23,620 = $2,000 + $2,125.80 = $4,125.80

For option D: Earning = 0.05 x $35,000 + 0.07 x $(73,620 - 35,000) = $1,750 + 0.07 x $38,620 = $1,750 + $2,703.4 = $4,453.40

Therefore, the method that yields the most earning is monthly salary of $3,000 plus 2% commission on all sales .

Answer:

b.

Monthly salary of $3,000 plus 2% commission on all sales.

Step-by-step explanation:

edge 2021

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