At a store, notebooks are on sale for 78% off the regular price. The cost of a notebook is represented by n. Which of the following expressions does NOT represent the sale price of the notebooks?

Answers

Answer 1

Can you give the answer choices? that would help a lot more to find the answer they are looking for


Related Questions

505 u
225 u
What is the Scale Factor? Show the work for the equation method
to solve, please.

Answers

Answer:

1.5

Step-by-step explanation:

Write the equation in slope intercept form of a line that has a slope of 1/2 and passes through the point (-8,-4).

Answers

Slope intercept form is y=mx+b
m(slope)=1/2
(x,y)—->(-8,-4) so x=-8 and y=-4 substitute and solve for b
-4=1/2(-8)+b

-4=-4+b
+4=+4
0=b

The volume of a cube is increasing at a constant rate of 459 cubic inches per second. At the instant when the volume of the cube is 408 cubic inches, what is the rate of change of the surface area of the cube? Round your answer to three decimal places (if necessary).

Answers

Answer:

[tex]\frac{ds}{dt} =31.952[/tex]

Step-by-step explanation:

From the question we are told that

Cube increase rate 459 cubic inches

At 408

Generally the expressions of the is mathematically given to be

[tex]\frac{dv}{dt} =459[/tex]

[tex]\frac{dv}{dt} =3*l^2 \frac{dl}{dt}[/tex]

[tex]v=408[/tex]

Generally

[tex]v=l^3[/tex]

Therefore solving Mathematically

[tex]\frac{dv}{dt} =3*l^2 \frac{dl}{dt}[/tex]

[tex]459 =3*(7.416859539)^2 \frac{dl}{dt}[/tex]

[tex]459 =165.0294163\frac{dl}{dt}[/tex]

[tex]\frac{dl}{dt} =\frac{165.0294163}{459}[/tex]

[tex]\frac{dl}{dt} =0.359[/tex]

Therefore solving mathematically for surface area

[tex]Surface area S=6l^2[/tex]

[tex]\frac{ds}{dt} =6(2l* \frac{dl}{dt})[/tex]

[tex]\frac{ds}{dt} =12l* \frac{dl}{dt}[/tex]

[tex]\frac{ds}{dt} =12*(7.416859539)*0.359[/tex]

[tex]\frac{ds}{dt} =31.95183089[/tex]

[tex]\frac{ds}{dt} =31.952[/tex]

4 3/8 ÷ 1 3/8 = answer asap plsssss.

Answers

Answer:

3.1

Step-by-step explanation:

Answer:

1 2/3 : 4 3/8 = 8/ 21   ≅ 0.3809524

Step-by-step explanation:

Have A Wonderful Day !!

Plzz i need help i'm stuck at this problem

Answers

It’s d hope that helped

Answer:

y = $19.50

x = $17.17

z = $20.67

Step-by-step explanation:

Notice that $13.50 of $22.50 is 60% (in math decimal form 0.6). The same is true for $16.20 of $27.00. Therefore, the value of y is going to be :

0.6 * $32.50 = $19.50

We notice as well that the added taxes to the discount price $13.50 is:

14.31 - 13.5 = $0.81, which at a time is a percent of the discounted sales price. Such percentage is calculated as shown below:

0.81/13.5 = 0.06 (or 6%)

we can then add 0.06 * 16.20 = 0.972 to 16.20 to find the total price "x"that includes tax:

x = $16.20 + $0.97 = $17.17

And we do something similar to find z:

z = $20.67

Help due soon will give brainliest

Answers

Answer:

46

Step-by-step explanation:

So if angle 4 is the same as angle 5 then 180-134=46

if the two angles make a flat line then the total of both angles is 180.

Answer:

the anwer is 46

Step-by-step explanation:

find the m 1 if m 5 +134

Will give brainliest. Explain in detail, please and thank you.

You went to lunch with your friend, and the bill was $19.00. Your lunch is $3.00 more than your friend's. How much was your friend's lunch?

f+ 3 = 19; $8.00
3f + 2 = 19; $8.00
2 + 3 = 19; $8.00
2 - 3 = 19; $8.00

Answers

Step-by-step explanation:

f, your friends lunch

f + 3, your lunch

f + f + 3 = 19

2f + 3 = 19

2f = 16

f = 8

Your friends lunch was $8

I hope this helped!!!!

How do you solve for x/3 - x/5

Answers

Answer:

x/3 - x/5 = 2/15x

Step-by-step explanation:

Please mark brainlliest if you want.

Find the greatest common factor of 9n and 7n^3

Answers

The answer is: GCF(9, +7^3) = 1
Explanation:
9 = 3^2

+7 = +7×7

3 = 3

GCF = 1


9 / 1 = 9

+7 / 1 = 7

3 / 1 = 3

PLS HELP WITH MATH WILL MARK BRAINLIEST 30 POINTS!!
Emily is encouraged to read more than 4 hours each week. It takes her 45 minutes to finish her first book. She divides the remainder of the time equally amongst the other six days. What is the minimum number of minutes she should read each day?
A. x > 32.5 minutes
B. x > 40 minutes
C. x \leq 32.5 minutes
D. x[\leq 40 minutes

Answers

Answer: D

Step-by-step explanation:

40+40= 1 hour 20 min

40+40= 1 hour 20 min

40+40 = 1 hour 20 min

40————-> 40 min

Add all together you get 4 hours in one week

Your welcome !

6(15 + 12)

Rewrite that with distributive property for crown!!!

Answers

Answer:

90 + 72 -> 162

Step-by-step explanation:

15 times 6 equals 90 and 12 times 6 equals 72, the distributive property equation is 90 + 72 in which can be added to 162 as a result.

Hey there!

The formula is: a(b + c) = a(b) + a(c) = ab + ac

“6(15 + 12)”

6(15 + 12)

6(15) + 6(12)

6(15) = 90

6(12) = 72

NEW EQUATION: 90 + 72

ANSWER: 90 + 72 = 162 ☑️

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

Peter has a 25 acre field. He 20.5 acres with sweet corn . What fraction of his field does Peter plant with sweet corn

Answers

Answer:

82%

Step-by-step explanation:

Multiply 25*4 to get 100.

Then multiply 20.5*4 because what you do to one side you have to do for the other.

You end up with 0.82 or 82%

Based on the length of the field and the amount of the field that was planted the fraction of the field planted is 4.1/5.

The field has a length of 25 acres and Peter plants in 20.5 acres of them.

The fraction that is planted is:

= Amount of field planted on / Total area of field

Solving will give:

= 20.5 / 25

Take to the simplest form by dividing both by 5:

= 4.1 / 5

In conclusion, the fraction planted on is 4.1/ 5.

Find out more on fractions at https://brainly.com/question/11289219.

Who can answer this?

Answers

D = {3,6,12,18)
R = {5,7,9,10}
It is not a function since for the 6 value of x, there are two different y outputs
Domain={3,6,12,18}
Range={5,7,9,10}
Function= No because the x value repeats (6)

Hope this helps

Have a great day/night

will give brainlest 5 star and thans

Answers

Answer:

96 in

Step-by-step explanation:

please help with 6-8 ! will give brainliest !! :)

Answers

Answer:

6:6=x

7:16=y

8:20=z

Step-by-step explanation:

For 6, since BD is a perpendicuar bisector, that means 15x=90. Divide 90 by 15 and you get 6

for 7, if bd is a angle bisector, you can set 3y=48. divide 48 by 3 and you get 16

for 8, since Bd is a median, you can set 2z-3=z+17. Isolate the variable and you will get 2z-z=17+3. Add like terms together and you get z=20

Just so you know, a perpendicular bisector will make both angles equal to 90, an angle bisector make both angles equal to each other, and medians make it so that it hit a line in the center therefor you can set both sides of the line to be equal

Rewrite the expression as square of a monomial.
0.09a^2
EXTRA POINTS!!!

Answers

Answer:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

0.3

Step-by-step explanation:

Brainliest?

We want to rewrite the given expression as a square of a monomial. We will get:

0.09*a^2 = (0.3*a)^2

So we have the expression:

0.09*a^2

We want to write this as a square of a monomial like:

(c*a)^2 = 0.09*a^2

Basically, we must find a number c such that:

c^2 = 0.09

c = √(0.09) = 0.3

Then the monomial is:

0.3*a

And we can rewrite the given expression as:

(0.3*a)^2

If you want to learn more, you can read:

https://brainly.com/question/11363511

A company is installing a new ski lift at a height of 225
meters above the mountain, to ascend at an angle of 48
degre.
Determine the length of the rope the elevator will require
to run from the base to the top of the mountain

Answers

Answer:

4.6875

Step-by-step explanation:

225 divided by 48 = 4.6875

the answer is 4.6875

Please hurry this is due at 11:59

Answers

Answer:

y=5

x=30

Step-by-step explanation:

the triangle with all congruent angles is an equilateral triangle, which means all side and angles are congruent, so 8y has to equal to 40 by dividing 40 by 8.

x and the angle about forms a complementary angle, so it has to be 30 degrees to add up to 90.

5[8(7−4)÷6]
What is the value of the expression?

Answers

Answer:

20

Step-by-step explanation:

5[8(7−4)÷6]

5[8(3)/6]

5{24/6]

5[4]

20

Answer:

20 is the right answer.

Step-by-step explanation:

→5[8(7-4)÷6]

=5[8(3)÷6]

=5[24÷6]

=5[4]

=20

Joe has eaten 2/5 of a pizza.Jane has eaten 1/6 of a pizza how many more pizza has joe eaten than Jane?

Answers

Joe ate 7/30 more of pizza than Jane. You can just subtract 2 uneven denominators. So you would turn them into 30 because that’s the closest highest number that can go with 5 and 6. Then multiply 2 with 6 which is 12 and then multiply 1 with 5 which is 5 now you can subtract it. 12/30-5/30=7/30.

Final Result: 7/30

The sum of a number, n, and -2 is multiplied by -4. The result is at most 36. Which shows the inequality that represents this situation and its solution?

The answer choices given are
1.−4(n+2)≤36; n≤7
2.−4(n−2)≤36; n≥−7
3.−4(n−2)≤36; n≥−11
4.−4(n+2)≤36; n≤−11

Answers

Answer:

Step-by-step explanation:

-4(n+3) <36;n<7

you are rolling a die number 1-6. What is the theoretical probability that you roll a 6?

Answers

Answer:

16.7 percent

So to get a 6 when rolling a six-sided die, probability = 1 ÷ 6 = 0.167, or 16.7 percent chance. So to get two 6s when rolling two dice, probability = 1/6 × 1/6 = 1/36 = 1 ÷ 36 = 0.0278, or 2.78 percent.

I'll give u brainless if u do!​

Answers

Answer:

9. 5×5×5= 125

10.2×2×2×2=16

11. 8×8= 64

12. 4×4×4×4=256

13. 6×6×6= 216

14. 1×1×1×1×1×1= 1

I'll give u brainless if u do!

........................................ ....,....



.....

Answers

...??????????? Okkkkkkk
Thank you so much for the points

Have a great day/night

What is the solution to the system of equations?
0 (3,2
0 (2, 3)
0 (2, 2)
(2,-2)

Answers

Answer:

What are the equations?

A skateboarding club randomly surveyed 200 people who visited the club's website about their favorite skateboard brand. The data collected is shown in the table.

Answers

Answer: 36/200 = 18/100 = 18%

Step-by-step explanation:

Simplify 6^7/6^5 in index form

Answers

Answer:

Step-by-step explanation:

Using the rule of exponents

[tex]\frac{a^{m} }{a^{n} }[/tex] ⇔ [tex]a^{(m-n)}[/tex] , then

[tex]\frac{6^{7} }{6^{5} }[/tex]

= [tex]6^{(7-5)}[/tex]

= 6²

Step-by-step explanation:

[tex] {6}^{7 } - 5 \\ 6 { }^{2} [/tex]

=36

What is the surface area of the box if its 5 1/2 by 3

Answers

Answer:

I think 30

Step-by-step explanation:

Ruben swims several times per week in a lake near his home. Last summer, the average water temperature was 20 °C. This summer, the average water temperature was 16 °C. What was the percent of decrease in the temperature?

Answers

16/20 = 0.8
0.8*100= 80
100-80= 20%

A 1-mile hiking path has signs placed every 240 feet. There are signs also placed at the beginning and end of the mile. How many signs are there?

Answers

Answer:

yep 22

Step-by-step explanation:

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