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Luba_88 [7]
3 years ago
6

How would x^3+8 be expressed in factored form

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
5 0
(x + 2) • (x^2 -2x + 4)
Ket [755]3 years ago
4 0

\it x^3+8=x^3+2^3=(x+2)(x^2-2x+4)\\ \\ \\ a^3+b^3=(a+b)(a^2-ab+b^2)

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5x+2y = 19<br> 1x + 4y=13
Mama L [17]

Answer:

{x,y} = {25/9,23/9}

Step-by-step explanation:

// Solve equation [2] for the variable  x  

 

 [2]    x = -4y + 13

// Plug this in for variable  x  in equation [1]

  [1]    5•(-4y+13) + 2y = 19

  [1]     - 18y = -46

// Solve equation [1] for the variable  y  

  [1]    18y = 46  

  [1]    y = 23/9  

// By now we know this much :

   x = -4y+13

   y = 23/9

// Use the  y  value to solve for  x

7 0
3 years ago
Read 2 more answers
Which expression represents exponential decay
Lelu [443]

Given:

The exponential equations in the options.

To find:

The equation which represents exponential decay.

Solution:

The general exponential equation is

y=ab^x

where, a is initial value and b is growth rate.

If b<1, then it is an equation of exponential decay.

If b>1, then it is an equation of exponential growth.

In option A, b=31>1, i.e., exponential growth.

In option B, b=3.1>1, i.e., exponential growth.

In option C, b=0.13<1, i.e., exponential decay.

In option D, b=1.03>1, i.e., exponential growth.

Only y=10(0.13)^x represents exponential decay.

Therefore, the correct option is C.

5 0
3 years ago
A blender runs at 120 volts at 4.16 amps. Calculate power
andrey2020 [161]

Answer:

P = 499.2 Watt

Step-by-step explanation:

p = iv \\ p = 4.16 \times 120 \\ p = 499.2 \: watt

6 0
3 years ago
3a^2 (ab^2+b^2)=<br> How much
kiruha [24]

Answer is 3a²b (a + b)

Step-by-step explanation:

  • Step 1: Find 3a² (ab²+b²)

⇒ 3a² (ab²+b²) = 3a³b + 3a²b² = 3a²b (a + b)

8 0
3 years ago
Yesterday it rained 5/8 inch. Today it rained 1/8 inch. What is the total amount of rain for the two days?
Alecsey [184]
The total amount is 0.75 inches or 3/4 inches.
7 0
3 years ago
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