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3 years ago

What is the common ratio of the following sequence? 80, 20, 5, ... A) -4 B) 1/4 C) 4

1 answer:

6 0

$\bf 80~~,~~20~~,~~5~\hfill \cfrac{20}{80}\implies \boxed{\cfrac{1}{4}}~~,~~ \cfrac{5}{20}\implies \boxed{\cfrac{1}{4}}~\hfill \stackrel{\textit{common ratio}}{\boxed{\cfrac{1}{4}}}$

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Write an equation (a) in slope-intercept form and (b) in standard form for the line passing through (22,99) and perpendicu

liberstina [14]

Y-99=-1/33(x-22)

a). y = 1/33x + 98 1/3

b) 33y = x + 109 1/3
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3 years ago

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4 years ago

What is the area of a square that has 6 centimeters long

mixer [17]

Answer:

Step-by-step explanation:

a^2 =6^2=36

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4 years ago

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Find two consecutive positive intergers such that the square of the smaller interger is nineteen more than five times the larger

Naddika [18.5K]

Answer:

8 and 9

Step-by-step explanation:

Let the two consecutive integers be x - 1 and x

Smaller = x-1

Largere = x

If the square of the smaller integer is nineteen more than five times the larger integer, then;

(x-1)² = 19 + 5x

Expand

x²-2x+1= 19+5x

x²-2x-5x+1-19 -0

x²-7x-18 =0

Factorize

x²-9x+2x-18 =0

x(x-9)+2(x-9) = 0

(x+2) = 0 and x - 9 = 0

x = -2 and 9

SInce x cannot be negative;

x = 9

Smaller number = 9-1

Smaller number = 8

Hence the two consecutive integers are 8 and 9

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3 years ago

140,250 to the nearest hundred thousan

abruzzese [7]

140,000. the hundred is under 5 so you round down

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3 years ago

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