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nasty-shy [4]
3 years ago
15

Amy bought a necklace that had an original price of $20. She used a 30% off coupon. The tax rate was 7.5% (added after the disco

unt). How much change will Amy get from a $20 bill?
Mathematics
2 answers:
Leno4ka [110]3 years ago
7 0
I think that it’s 4.95
MatroZZZ [7]3 years ago
5 0
Answer: $4.95

20 • .30 = 6
20 - 6 = 14
14 • .075 = 1.05
14 + 1.05 = 15.05
20 - 15.05 = 4.95
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THE QUESTION IS DOWN BELOW.<br>major points when given branliest
emmainna [20.7K]

The ratios are Surface area ⇒ 4 : 25 Height ⇒ 2 : 5 and Volume ⇒ 8 : 125

<h3>How to determine the ratios?</h3>

The scale factor is given as:

m : n = 2 : 5

For the area, we take the square of the ratios.

i.e.

Area = 2^2 : 5^2

Evaluate

Area = 4 : 25

For the volume, we take the cube of the ratios.

i.e.

Volume = 2^3 : 5^3

Evaluate

Volume = 8 : 125

The given scale factor can be used for the height of the model and the original bicycle

Hence, the ratios are

Surface area ⇒ 4 : 25

Height ⇒ 2 : 5

Volume ⇒ 8 : 125

Read more about ratios at:

brainly.com/question/13419413

#SPJ1

7 0
2 years ago
Your English teacher has decided to randomly assign poems for the class to read. The syllabus includes four poems by Shakespeare
Tresset [83]
The probability of event A and B to both occur is denoted as P(A ∩ B) = P(A) P(B|A). It is the probability that Event A occurs times the probability that Event B occurs, given that Event A has occurred.

So, to find the probability that you will be assigned a poem by Shakespeare and by Tennyson, let Event A = the event that a Shakespeare poem will be assigned to you; and let Event B = the event that the second poem that will be assigned to you will be by Tennyson.

At first, there are a total of 13 poems that would be randomly assigned in your class. There are 4 poems by Shakespeare, thus P(A) is 4/13.
After the first selection, there would be 13 poems left. Therefore, P(B|A) = 2/12
Based on the rule of multiplication,
P(A ∩ B) = P(A) P(B|A)P(A ∩ B) = 4/13 * 2/12
P(A ∩ B) = 8/156
P(A ∩ B) = 2/39

The probability that you will be assigned a poem by Shakespeare, then a poem by Tennyson is 2/39 or 5.13%.
6 0
3 years ago
A runner is 7/8 miles from the finish line.
stepan [7]
So basically you have to see how the person is built but in average it will took like 12minutes
6 0
3 years ago
Find the exact value of cot7pi/4
nata0808 [166]

Answer:

-1

Step-by-step explanation:

The radian gives the coordinates: ((\sqrt{2 } /2,-\sqrt{2 } /2) (found using the unit circle)

cot=x/y

Plug the x and y coordinates into their respective places in the equation.

You get the answer of -1.

7 0
2 years ago
Read 2 more answers
Geometry need help answering
Dmitry_Shevchenko [17]
Answer:

GI is supplementary, Given
KH =JH , given
Midpoint

Couldnt see how many boxes u needed but this should help good luck
8 0
3 years ago
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