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Ivanshal [37]
3 years ago
5

7 times 3=parentheses blank times 3 parentheses divided parentheses 4 times 3 parentheses

Mathematics
1 answer:
babymother [125]3 years ago
6 0

Answer:

blank=x=84

Step-by-step explanation:

7*3=(3x)/(4*3)

21=3x/12 simplification

252=3x multiply by 12 on both sides

x=84 divide by three

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Adrian is a songwriter who collects royalties on his songs whenever they are played in a commercial or movie. Adrian will earn $
gayaneshka [121]

Answer:

Adrian's songs played on 9 commercials and 5 movies.

Step-by-step explanation:

Let x denotes number of commercials and y denotes number of movies.

Total number of commercials and movies = 14

So,

x+y=14\\x=14-y\,\,\,\,...(i)

Adrian will earn $40 every time one of his songs is played in a commercial and he will earn $130 every time one of his songs is played in a movie

Total amount earned = $1010

40x+130y=1010\,\,\,...(ii)

Put x=14-y in (ii)

40(14-y)+130y=1010\\560-40y+130y=1010\\90y=1010-560\\90y=450\\y=\frac{450}{90}=5

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x=14-5=9

Therefore, Adrian's songs played on 9 commercials and 5 movies.

7 0
3 years ago
What fraction does This Model represent
garik1379 [7]

Answer:

it represents 3 5/6

Step-by-step explanation:

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4 0
4 years ago
Read 2 more answers
Christina Stratton invested $8,000 in a certificate of deposit for 4 years. The certificate earns interest at an annual rate of
galben [10]

Answer:

6.13%

Step-by-step explanation:

We are given an investment of $8000 deposited for 4 years. We have to find the effective annual yield for which we will need the interest rate and the compounding period.

Annual interest rate compunded quarterly, r = 6% = 0.06

Compounding period is quarterly, n = 4

Annual EffectiveYield =  (1+\frac{r}{n})^{n}-1\\=(1+\frac{0.06 }{4})^{4}-1

= 0.0613

The annual effective yield is 6.13%

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Step-by-step explanation:

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geniusboy [140]

Answer:

x = 1/4

Step-by-step explanation:

remove the parenthesis

collec like terms

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calculate

divide both sides

7 0
4 years ago
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