3 years ago

What does it mean to expand an expnent?

1 answer:

5 0

So let's say the exponent is 5^2, to expand it you would write it in its longer form. Since exponents are just multiplication, the expanded version of 5^2 is 5x5

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A rectangular carpet is x+5 feet wide and 3x-2 feet long what is the area in square feet of the carpet in terms of x

siniylev [52]

Formula for area:
Area = Wide x Length

Wide: x + 5
Long: 3x - 2

Area = (x + 5) x (3x - 2)
Area = 3x² - 2x + 15x - 10
Area = (3x² + 13x - 10) square feet

7 0

3 years ago

WILL MAKE BRAINLIEST!!Determine if two triangles are congruent if they are state the triangle congruence statement.

elena-14-01-66 [18.8K]

Answer:

<h2>Yes they are congruent by SSS criterion </h2><h3>Explanation:</h3>

AC=DC. (Given in figure)

AB=BD. (Given in figure

BC=BC. (Common)

that means triangle BAC is congruent to triangle BDC by SSS criterion

8 0

2 years ago

Find the a2, a3, and a4 terms of the sequence defined as:

ValentinkaMS [17]

Answer:

$a_2 =\frac{1}{2}\\\\a_3 =2\\\\a_2 =\frac{1}{2}$

Step-by-step explanation:

$a_1 = 2......(given)\\\\a_n =\frac{1}{a_{n-1}}\\\\Plug\: n = 2\\a_2 =\frac{1}{a_{2-1}}=\frac{1}{a_1}=\frac{1}{2}\\\\Plug\: n = 3\\a_3 =\frac{1}{a_{3-1}}=\frac{1}{a_2}=\frac{1}{\frac{1}{2}}=2\\\\Plug\: n = 4\\a_4 =\frac{1}{a_{4-1}}=\frac{1}{a_3}=\frac{1}{2}\\\\$