Mathematics Middle School

Please help me!!! (Don't joke or banned)
An instrument store has 20% clearance on every instrument. A guitar originally costs $120. You take it to the cashier and they charge a sales tax of 5%.

How much did you pay for the guitar?

Answers

Answer 1

Answer:

P = $100.80

Steps:

Price after clearance:

Pc = 120 - (120/100×20)

Pc = 120 - (1.2×20)

Pc = 120 - 24

Pc = 96

Price after sales tax:

P = Pc + (Pc/100×5)

P = 96 + (96/100×5)

P = 96 + (0.96×5)

P = 96 + 4.8

P = $100.80

Answer 2

Answer:

I’m pretty sure the answer would be $100.80

Step-by-step explanation:

1. Take the $120 and multiply by 0.20, which will give you 24 (that’s 20% of 120)

2. Subtract $120-$24= $96

3. There is a 5% sales tax so take 96 and multiply by 0.05 and you get 4.8

3. Add $96+$4.80= $100.80

Step-by-step explanation:

Related Questions

Yea.....can sum1 help pls

Answers

Answer:

208

Step-by-step explanation:

8*8=64

9*8/2=36

36*4=144

144+64=208

have a nice day :)

Your answers 208 just took the test

plsss help this is due today

Answers

It’s 20cm :) because knowing that you have a 3:5 ratio and that one side is 12 can you can make a ration table so 3:5 and 12:? And to get from 3 to 12 you have to multiply 3 by 4 so you have to do the same to the other side 5 times 4 is 20 so 20 cm
It’s 20 cm shjfkdbdbfjkfnfnfj

Please help with this! I was having problems with the answer and I just wanted to know if I was right.

Answers

Answer:

108 degrees

Step-by-step explanation:

By the Exterior Angle Theorem:

(2x + 1) + 63 = 5x -2

2x + 64 = 5x - 2

66 = 3x

22 = x

Now, we can plug the value of x back into the expression that represents the exterior angle to find the measure of the exterior angle:

5(22) - 2

110 - 2

108

The answer is 108 degrees. (I'm sorry your question was answered so late; I hope you got the right answer when you solved it!)

Consider the table:
Input value Output value
0 0
1 1
2 4
3 9

Which statements are true? Select all that apply.
The graph of the function will not form a straight line, so it is nonlinear.
The function is not proportional.
The function goes through the origin.
The difference between consecutive output values is a constant.

Answers

Answer:

1st 2nd and 3rd box

Step-by-step explanation:

1. It does not form a straight line because the output is not proportional. (it does not follow a pattern)

2. the line is not proportional because it does not follow a pattern or ratio of any kind (2468 is proportional because it follows the pattern of 2)

3. the origin is the coordinates (0,0) and the table has that labeled in the diagram therefore the graph does go through the origin

4. the output is not constant (output is 0149) because it does not show any sort of pattern. therefore the 4th box is incorrect.

whats an equation equal to 10x-5​

Answers

the answer should be -50

Answer:

-50

Step-by-step explanation:

PLS PLS HELP I WILL MARK BRAINLIEST!

Answers

Answer:

8) C -3+2.

9) D 3-(-2).

Pls need help due in 20 mins- n no mfkn links pls pls plsss

Answers

Answer:

B

Step-by-step explanation:

speed is determined by the gradient

car 1 gradient = change in y / change in x =  [tex]\frac{85 - 75}{17 -15} = \frac{10}{2} = 5[/tex]

car 2 gradient = 10

so car 2 is travelling faster than car 1

Help I don’t understand this

Answers

Answer:

first one is true, second one is true, i cant see the third question

Step-by-step explanation:

1. True
2. True
3. False

helpppppppppp!!! :( math up ):

c) Explain how 223 compares to another mixed number.

______________________________________________________

4. Which of these is greatest?

A 4/5 × 10 1/2

B 2 1/2 × 16/5

C 3 2/3 × 2 1/2

D 2 0/3 × 9/10

(: il make u brainlist!!!! and give u a thank you!! + u get the points and ima add 5 stars :)

Answers

Answer:

A 4/5 × 10 1/2 =8.4

B 2 1/2 × 16/5 =8

C 3 2/3 × 2 1/2 = 330/36 = 9.1666

D 20/3 × 9/10 =6

C IS THE GREATEST because 9.166 is greater than 8.4, 8 and 6

will give brainliest

Answers

It’s a because in order to find area you multiple which will be 10 times 6 which equals 60

NEED THIS ASAPPPPPP The circumference of a circular field is 175.84 yards. What is the radius of the field? Use 3.14 for pie and do not round your answer.

Answers

Answer:

Circumfrerence =pi d

So d=175.84/3.14

Step-by-step explanation:

Yes the correct answer is d

What is the probability of rolling a number greater than 12?

Answers

Answer:

Impossible

Step-by-step explanation:

It is impossible because if there are 2 die the greatest number you can roll is 12 with both of the numbers being 6.

CAN SOMEONE PLS HELP ME AND PLS NO LINKS PLS
TYSM

Answers

Answer:

17

Step-by-step explanation:

Answer is 17 feet


I had this same problem a while back and I got it right with 17 feet.

plz answer! i need help soo bad

Answers

Answer:

c.64

Step-by-step explanation:

16x8=128

128/2=64

Answer:

64 feet

Step-by-step explanation:

8/2 = 4 inches

We can now multiply.

16 * 4 = 64

WILL GIVE BRIANLIEST
The diameter of a dime is 17.9 millimeters. What is the area of one side of the coin? Show your work

Answers

Answer:

Step-by-step explanation:

In this case, it is 8.95. Step 2: Square the radius that you get. In this case, the answer is 80.1025.

Np for the help.

Solve the following equation: x + 25 = 30
dont comment just for points cuz i will do the same to u

Answers

Answer:

5

Step-by-step explanation:

Answer:

X + 25 = 30

X + 25-25 = 30 - 25 = 5

Step-by-step explanation:

And this one too please?

Answers

Answer:

54 in. square

Step-by-step explanation:

First, average the two lengths. Then, multiply that by the height. The average of 6 and 12 is 9, and 9 times 6 = 54.

2s+10-7s-8+3s-7
syplifying expression fyi​

Answers

Answer:

-1+5z, -25+20y, 4d+14, 2n-2, 40k+8, 8b+5, -9+22p

Step-by-step explanation:

1) -4+7z+3-2z

-1+5z

2) 15+4(5y-10)

15+20y-40

-25+20y

3) 2d+17-3-2d+4d

4d+14

4) 12n-8-2n+10-4

2n-2

5) 8(2k+1+3k)

16k+8+24k

40k+8

5) 4(2b+2)-3

8b+8-3

8b+5

6) -4+8p-6p-5+20p

-9+22p

Please help!!!!! 10 Points!! (i only have 23)

Answers

The answers are going to be: D & E

Explanation:
Any number that was multiplied by less then one is going to be your answer. :)

please help, 14 points will give brainliest if correct, no bots or links please

Answers

270 square feet because multiply 18x18 and then multiply (6x18) / 2 subtract that from 18x18 and you get 270
270sq ft.............,,,,,,,

Marie is bringing bagels and cream cheese to school as a birthday snack for her class. The cost of b bagels and c packages of cream cheese is 0.85b+2.5c dollars. Marie is bringing 30 bagels and 2 packages of cream cheese.
What price did Marie pay for the bagels and cream cheese?

Answers

Answer:

I don’t know this I just need points

Step-by-step explanation:

Answer:

$30.50

Step-by-step explanation:

(0.85*30)+(2.5*2)=30.5

(File attached) Show how you got the answer for brainliest

Answers

Answer:

Step-by-step explanation:

in the first one 2,4,6,and 8 are equal meaning they all equal to 75. the other angles 1,3,5,and 7 equal 105 because 180 - 75 = 105

for the other ones i'm not sure srry

PLEASE ANSWER PWEASE

Answers

the answer is d i think. i’m not sure tho
Answer Varified and you know that what they say about it and how much you have done for church

Which of the following is a true statement about forces?

a. If the forces are balanced, there is no movement.
b. If the forces are balanced, the object moves quickly.
c. If the forces are unbalanced, there is no movement.
d. If the forces are unbalanced, there is slow movement.

Answers

Answer:

C

Step-by-step explanation:

B. If the forces are balanced there is no movement

Measurements of atoms, such as amounts, distances, and weights, are often very large or very small when compared to measurements of things you can see or touch. Scientific notation represents numbers as a power of 10. This makes very large or small numbers easier to use and understand. Approximately 7,500,000,000,000 carbon atoms fit across the period that you make with your pencil. Express this number in scientific notation. (PLEASE ANSWER FAST I'LL GIVE BRAINLIEST ALSO PLEASE DO ALL THIS IS WORTH 30 POINTS)


Step 1 Rewrite the number with a decimal after the first nonzero digit.7.500000000000


Step 2 Find the number of places and the direction you moved the decimal. If a number does not show a decimal, the decimal is at the right end of the number.You moved the decimal 12 places to the left.


Step 3 Drop the zeros, and write the number of places you moved the decimal as a power of 10. If you moved the decimal to the right, the power is negative. If you moved the decimal to the left, the power is positive.7.5 × 10 12


Step 4 Reverse the process to change scientific notation back to a whole number. A positive power of 10 moves the decimal to the right. A negative power of 10 moves the decimal to the left.


(Answer 1, 2, 3, 4 and 5 )


1. A sample of gold contains 3,800,000,000,000,000,000 atoms. Express this number in scientific notation.


2. A sample of silver contains 400,000,000,000,000 atoms. Express this number in scientific notation.


3. A sample of carbon has a mass of 0.000000000000000000034 kg. Express this mass in scientific notation.


4. A sample of silicon contains 5.23 × 10^11 atoms. Write this amount as a whole number.


5. The mass of a proton is about 1.67 × 10 -27kg. Write this mass as a whole number

Answers

Answer:

Step-by-step explanation:

1)3.8 *10¹⁵

2)4.0*10¹⁴

3)30.4*10⁻²⁰

4)523,000,000,000 atoms

5)0.000 000 000 000 000 000 000 000 00167

ANSWER FOR BRAINLIEST

The circumference of a circle is 17π ft. Find its radius, in feet.

Answers

Answer:

howdy

Step-by-step explanation:

2.71 is the answer i think

please help me im begging you :(( show ur work

Answers

Answer:

A

Step-by-step explanation:

first I put 3 in for all the a's then I just completed the equation.

24/2-6x2 =0 sooooooo

A spherical stone in the courtyard of the National Museum of Costa Rica has the
diameter of about 8 feet. Find the volume of the spherical stone. Round to the nearest
tenth. Leave your answer in terms of π.

A. 682.7 π cubic feet
B. 85.3 π cubic feet
C. 10.7 π cubic feet
D. 683.0 π cubic feet

Answers

B) 6,839 cubic feet

Analiese,
The formula for volume of a cylinder is v=πr^2h
So first you plug in the info. you were given.
v=3.14x11^2x 18
Then, you simplify the equation.
v=3.14x121x18
v=3.14x2,178
v=6,839 cubic feet
Hope this helped
B. 85.3 r cubic feet

solve the equation -2(x-5)=-14

Answers

Answer:

x=12

Step-by-step explanation:

-2(x-5)=-14

x-5=-2/-14

x-5=14/2

x-5=7

x=5+7

x=12

X =12. Multiply it out. -2x +10= -14. -2x=-14-10. -2x= -24. Divide both sides by -2. Hope this helps!

Find the rate in mountains per month

Answers

4 mountains a month

4 Mountains a month
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