3 years ago

9.3(x - 8) = 3x - 24 is and example of

Mathematics

1 answer:

Montano1993 [528]3 years ago

3 0

Distributive property

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1/9-1/x divided by 1/81-1/x2

dedylja [7]

STEP

Simplify —

Equation at the end of step

1 1

— - —

9 x

STEP

Simplify —

Equation at the end of step

1 1

— - —

9 x

STEP

Simplify ——

Equation at the end of step

1 1 1 1

(—-—) ÷ (——-——)

9 x 81 x2

STEP

Simplify ——

Equation at the end of step

1 1 1 1

(— - —) ÷ (—— - ——)

9 x 81 x2

(9x)/(x+9)-:(x-9)/(9x)

7 0

4 years ago

If a geometric sequence has a2 = 495 and a6 = 311, approximate the value of the common ratio ???? to four decimal

shtirl [24]

Answer:

$r = 0.8903$

Step-by-step explanation:

given,

a₂ = 495

a₆ = 311

geometric sequence formula

$a_n = ar^{n-1}$

$a_2 = ar^{2-1}$

$a_2 = ar$ ...................(1)

$a_6 = ar^{6-1}$

$a_6 = ar^5$ ................(2)

dividing equation (2) by (1)

$\dfrac{a_6}{a_2} = \dfrac{ar^5}{ar}$

$\dfrac{311}{495} = r^4$

$r^4 = 0.628$

$r = 0.8903$

hence, the common ratio of the geometric sequence is $r = 0.8903$

7 0

3 years ago

Mark sold x pens for $2 each. He received less than $80 from the sale. Find the greatest possible number of pens he sold.

lidiya [134]

80 divided by 2= 40-2= 38

8 0

3 years ago

A circle has a center located at 2 5 and passes through the point 10 3 answer

nikklg [1K]

Answer:Explanation: The formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. If a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

Step-by-step explanation:

4 0

3 years ago

87.6 ×.14 rounde to the nearest hundredth is

kakasveta [241]

87.6x.14= 12.264.
12.264 rounded to the nearest hundredth is 12.26

7 0

3 years ago