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yaroslaw [1]
3 years ago
13

Five less than twice the value of a number is equal to three times the quantity of

Mathematics
1 answer:
Elden [556K]3 years ago
8 0

Answer:

a) x = 34

b) yes, it checks out

Step-by-step explanation:

2x - 5 = 3(4 + 1/2x)

multiply both sides by 2 to eliminate fraction

2[2x - 5 = 3(4 + 1/2x)] = 4x - 10 = 24 + 3x

x - 10 = 24

x = 34

<u>check</u>

2(34) - 5 = 3(4 + 34/2)

68 - 5 = 3(4 + 17)

63 = 3(21)

63 = 63

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422mins and 8sec

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3 years ago
What is equivalent to 3squareroot of 8^x
inn [45]

Answer:

3 * 8^(x/2)

Step-by-step explanation:

The third answer choice is the correct one.

Here's how:

3squareroot of 8^x = 3√(8^x)  = 3*(8^x)^(1/2)  =  3 * 8^(x/2)

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4 years ago
If i have 7 brownies and i need to feed 5 people
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Find the solutions to y = (x – 1)2 for x = –3, 0, and 3.
Harman [31]

Answer:

if the 2 is the power of (x-1) here is ur answer

y = (x - 1 ){}^{2} \\if \: x \: is \: \: equal \: to \:  - 3  \\ y =(  - 3 - 1) {}^{2} \\  y = ( - 4) {}^{2} \\ y = 16

if \: x = 0 \\ y = (0 - 1) {}^{2}  \\y = (  - 1) { }^{2} \\ y = 1

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7 0
3 years ago
A principal of 2000 is invested at 3.25% interest, compounded annually. How much will the investment be worth after 10 years?
zepelin [54]

Answer:

$2,753.79

Step-by-step explanation:

Compound Interest Formula

\large \text{$ \sf A=P\left(1+\frac{r}{n}\right)^{nt} $}

where:

  • A = final amount
  • P = principal amount
  • r = interest rate (in decimal form)
  • n = number of times interest applied per time period
  • t = number of time periods elapsed

Given:

  • P = $2,000
  • r = 3.25% = 0.0325
  • n = 1
  • t = 10

Substitute the given values into the formula and solve for A:

\implies \sf A=2000\left(1+\frac{0.0325}{1}\right)^{(1 \times 10)}

\implies \sf A=2000(1.0325)^{10}

\implies \sf A=2753.788608...

Therefore, the value of the investment after 10 years will be $2,753.79 to the nearest cent.

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