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bonufazy [111]
3 years ago
12

The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm. What is the approximate area of the

shaded region?
Mathematics
2 answers:
kupik [55]3 years ago
4 0
Area larger circle: 3.14 x 5.25^2 = 86.55

area of smaller circle: 3.14 x 2.25^2 = 15.90

86.55 - 15.90 = 70.65  ( round answer as needed)
WARRIOR [948]3 years ago
3 0
70.65, you should try photo math!!
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One month Sam rented 3 movies and 8 video games for a total of $55 . The next month he rented 5 movies and 2 video games for a t
coldgirl [10]

Answer:

Step-by-step explanation:

You are trying to find the values of two quantities, so you will need to set up a system of two equations in two variables. We'll call M the price of a movie and V the price of a video game.

The first month: 3 movies, 8 video games, $55. Let's translate this into algebra:

3M + 8V = 55

The second month: 5 movies, 2 video games, $18. Translated:

5M + 2V = 18

Solve that system of equations

5 0
3 years ago
Help if you can !! thank you :)
Vsevolod [243]

Answer:

NVM MY BAD

x=19

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4 0
2 years ago
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If 72 = 12x, what does x equal?
CaHeK987 [17]

Answer:

x=6

Step-by-step explanation:

So, x is our unknown variable. An so you have to ask yourself, what times 12= 72? The answer would be 6, because 12x6=72

The proper way to do it, would be to divide 12/12 so you isolate the variable, and what you do to one side, you do to the other, so divide 72 by 12 and you get 6! Hope this helps!

6 0
3 years ago
What is the slope of the line that passes through the points (-1 , 0) and (3 , 8).?
Zina [86]
Let's apply the formula giving the slope:


m=(y2-y1) /(x2-x1) , let's plug:


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5 0
4 years ago
Ted can mow the lawn in 5 minutes by using his power mower. Galen takes 15 minutes to mow the same lawn using a push-type mower.
EastWind [94]
    We need to calculate a TIME.  Here, TIME = job / rate

Here, 

             1 JOB                                      1                 1
------------------------------------- = ------------------ = ---------------
   JOB/5 min + JOB/15 min           1/5 + 1/15     3/15+1/15
           1
= ------------ minutes = 15/4 minutes = 3 3/4 minutes (answer)
          4/15
6 0
3 years ago
Read 2 more answers
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