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finlep [7]
2 years ago
13

Rewrite in simplest rational exponent form √x • 4√x. Show each step of your process.

Mathematics
1 answer:
Vikentia [17]2 years ago
4 0

Step-by-step explanation:

=  \sqrt{x} .4 \sqrt{x}

=  {x}^{ \frac{1}{2} }  \times 4 {x}^{ \frac{1}{2} }

= 4 {x}^{ \frac{1}{2} +  \frac{1}{2}  }

= 4 {x}^{ \frac{2}{2} }

= 4 {x}^{1}

= 4x

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Answer 234

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3 years ago
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Select the quadratic extension that represents the product below (2x+5)(7-4x)
nevsk [136]

Answer:

-8x^2 - 6x + 35

Step-by-step explanation:

you can use th box method shown above to multiply then add like terms

7 0
3 years ago
Use the work shown below to write the equation for a line that has a slope of Negative two-fifths and passes through (15, –2). y
grin007 [14]

Answer:

  • y = -2/5x + 4, the last option

Step-by-step explanation:

<u>The formula:</u>

  • y = mx + b

<u>The steps:</u>

  • 1. -2 = (-2/5)(15) + b
  • 2. -2 = -6 + b
  • 3. b = 6 - 2
  • 4. b = 4

<u>The result</u>

  • y = -2/5x + 4

===========================================================

<u>What is the equation of the line in slope-intercept form? </u>

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  • y = negative two-fifths (15) + 4
  • y = negative two-fifths x minus 4
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3 0
3 years ago
The composite figure is made up of a triangle, a square and a trapezoid find the area
anygoal [31]
<h3>Answer:   65 square units</h3>

===============================================

Work Shown:

P = area of triangle

P = 0.5*base*height

P = 0.5*5*4

P = 10 square units

----------------

Q = area of square

Q = side*side

Q = 5*5

Q = 25 square units

----------------

R = area of trapezoid

R = height*(base1+base2)/2

R = 5*(7+5)/2

R = 5*12/2

R = 60/2

R = 30

----------------

T = total area of the entire figure

T = P+Q+R

T = 10+25+30

T = 65 square units

8 0
3 years ago
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Money is borrowed at ​%18 simple interest. After one​ year, ​$981.76 pays off the loan. How much was originally​ borrowed?
Genrish500 [490]

Answer:

$805.0432

Step-by-step explanation:

118% was paid, so the original would be 82% of 981.76 (100-18), which is $805.0432 (rounds to $805.04)

6 0
2 years ago
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