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swat32
3 years ago
10

The area of a rectangle is 84 inches. It has a length of x−2 and a width of x+3. What are the dimensions of the rectangle?

Mathematics
1 answer:
REY [17]3 years ago
5 0

Answer:

b 7&12..........................

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How do i solve <br> X^56 x X^14
sweet-ann [11.9K]

Answer:

x^70

Step-by-step explanation:

When multiplying exponents, you just add them up.

x^56+14= x^70

8 0
2 years ago
What is cos 30º?<br> O A. 13<br> B. 1<br> Oc.<br> O D.<br> 3<br> 2<br> E.<br> O F. 1 /
babunello [35]

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7 0
3 years ago
(-5) to the 6 power times (-7) to the 6th power
Katyanochek1 [597]

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1838265625

Step-by-step explanation:

Scientific calculator

7 0
2 years ago
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Hatshy [7]
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4 0
3 years ago
Solve the following logarithmic equations.<br> log[(x^2 + 2x − 3)^4] = 0
saw5 [17]

Answer:

The solutions are x = 1.24 and x = -3.24

Step-by-step explanation:

Hi there!

First, let´s write the equation:

log[(x² + 2x -3)⁴] = 0

Apply the logarithm property: log(xᵃ) = a log(x)

4 log[(x² + 2x -3)⁴] = 0

Divide by 4 both sides

log(x² + 2x -3) = 0

if log(x² + 2x -3) = 0, then  x² + 2x -3 = 1 because only log 1 = 0

x² + 2x -3 = 1

Subtract 1 at both sides of the equation

x² + 2x -4 = 0

Using the quadratic formula let´s solve this quadratic equation:

a = 1

b = 2

c = -4

x = [-b± √(b² - 4ac)]/2a

x =  [-2 + √(4 - 4(-4)·1)]/2 = 1.24

and

x = [-2 - √(4 - 4(-4)·1)]/2 = -3.24

The solutions are x = 1.24 and x = -3.24

Have a nice day!

4 0
3 years ago
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