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2 years ago

7

the regular price of a calculator is $15.40. it goes on sale for 30% off the regular price. what is the amount of savings on the

calculator

1 answer:

nikitadnepr [17]2 years ago

7 0

( 30 / 100 ) * (15.40 ) = ( 3 / 10 )* (15.40) = 36.20 / 10 = 3.62$.

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Write the equation of a circle with a center at (1, 4) where a point on the circle is (4, 8).

mina [271]

Notice the picture below

$\bf \textit{equation of a circle}\\\\
(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad center\ ({{ h}},{{ k}})\qquad
radius={{ r}}\\\\
-----------------------------\\\\
\textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 1}}\quad ,&{{ 4}})\quad 
% (c,d)
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\end{array}\qquad 
% distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}\leftarrow r$

you have the center, the h,k, all you really need is the radius "r"

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2 years ago

You are on a basketball team and you score 84 points in 6 games

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Answer:

14

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Think how many times does 6 go into 84.

you can divide 84 into 6 which is 14.

Or you can think what times 6 equals 84.

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2 years ago

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Help me please!!!!!!!!!!!!!

marusya05 [52]

Answer:

B.) (0,1)

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2 years ago

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A bag contains: 5 red marbles, 6 blue marbles, 3 green marbles, 4 black marbles, and 2 yellow marbles. A marble will be drawn fr

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Step-by-step explanation:

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2 years ago

Why 10^33/2=5*10^32? Explain, pls. :(

german

Answer:

see below

Step-by-step explanation:

10^33/2

Rewriting the numerator as 10 * 10 ^ 32

10 * 10 ^32

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

2

10/2 = 5

5 * 10 ^32

Therefore

10^33/2=5*10^32

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1 year ago