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vodka [1.7K]
4 years ago
10

The difference between 3 times a number and 21

Mathematics
1 answer:
pashok25 [27]4 years ago
7 0
The difference (-) between 3 times a number (3n) and 21.

3n - 21
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Ps help me with this its urgent❤
Llana [10]

Answer:

y^6/x^2

Step-by-step explanation:

(y^3/2x^-1/2)^4= y^(4*3/2)x^(-1/2*4)=y^6x^-2= y^6/x^2

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PLEASE HELP !! WILL MARK !!
kompoz [17]

Answer:

the first question , the answer is A[2,oo)

the answer to the second question is B

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Answer:

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6 0
4 years ago
Nine times the sum of 8 and the some number of 117
Delicious77 [7]
Is it 8+117=125x9=1125
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Need help with this ASAP it’s due in 10 minutes
Gennadij [26K]

Answer:

Step-by-step explanation:

Formula to be used,

A = P(1+\frac{r}{n})^{nt}

Here, A = Final amount

P = Principal amount

r = rate of interest

n = Number of compounding (In a year)

t = Duration of investment (In years)

Question (5)

P = $4250

r = 0.015

n = 4

t = 3 years

A = 4250(1+\frac{0.015}{4})^{4\times 3}

A = 4250(1.00375)^{12}

A = $4445.24

Part (C)

1). P = $6000

   r = 0.03

   n = 2

   t = 10 years

  A = 6000(1+\frac{0.03}{2})^{2\times 10}

      = 6000(1.015)^{20}

      = $8081.13

2). P = $9000

    r = 0.05

    n = 2

    t = 8 years

    A = 9000(1+\frac{0.05}{2})^{2\times 8}

        = 9000(1.025)^{16}

        = $13360.55

5 0
3 years ago
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