Mathematics, 10.07.2019 18:00 lisnel

Alexis bought x boxes of cereal for$3each, including tax, and paid with a$20bill. which expression represents the total amount of change she should recieve? urgent a.20-3xb.(3-20)xc.3x-20d.(20-3)x

Answers: 1

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Answer from: lexiemornelas

A.20-3x

Step-by-step explanation:

Number of boxes of cereals bought by Alexis = x

Cost of each cereal box = $3

Total amount Alexis spend on cereals box =

= $ 3x

Alexis paid with a $20 bill.

So, Total amount of change received by Alexis =

So, the expression which represents the change received by Alexis is

20-3x.

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Answer from: lovemichelle638

Number of boxes of cereals bought by Alexis = x

Cost of each cereal box = $3

Total amount Alexis spend on cereals box = $\$ (3 \times x)$

= $ 3x

Alexis paid with a $20 bill.

So, Total amount of change received by Alexis = $\$(20-3x)$

So, the expression which represents the change received by Alexis is

20-3x.

So, Option A is the correct answer.

Answer from: Quest

(a) common ratio in the given sequence is, 3

(b) $6.973568802 \times 10^9$ push ups will do kendall do on the 20th week

step-by-step explanation:

geometric sequence is a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio(r)

(a)

given the sequence: 6 , 18 , 54 , 162 ,

this sequence is geometric sequence where each term is 3 times the previous term.

therefore,

common ratio(r) = 3.

(b)

a formula for nth term of geometric sequence is given by;

$a_n = a_1r^{n-1}$ , where r is the common ratio between the successive terms and $a_1$ is the first term,

to find how many push ups will kendall do on the 20th week.

here. n = 20th term.

in the given sequence first term $(a_1) = 6$

then;

$a_n = a_ 1 \cdot r^{n-1}$

$a_{20} = 6 \cdot 3^{20-1}$

simplify:

$a_{20} = 6.973568802 \times 10^9$

therefore, $6.973568802 \times 10^9$ push ups will do kendall do on the 20th week

Answer from: Quest

The great thing about this problem is they give you everything you need to solve it easily. so the expression is: 12h+30w12h+30wand so everywhere you have an “h” you place 66. and everywhere you have a “w” you place 33. then the expression will look like this: 12(66)+30(33)12(66)+30(33)from here you multiply and then add. getting the following of: $785,862hope this

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Alexis bought x boxes of cereal for$3each, including tax, and paid with a$20bill. which expression r...

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