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svet-max [94.6K]
3 years ago
12

Someone please help me!!!

Mathematics
1 answer:
kap26 [50]3 years ago
7 0
Length of side CD is 32
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R/3+2=21 solve for r
olchik [2.2K]

Answer:

r=63

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    r/3-(21)=0             r

Simplify   —

           3

r    

 — -  21  = 0

 3     2.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  3  as the denominator :

         21     21 • 3

   21 =  ——  =  ——————

         1        3  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

7 0
3 years ago
Help me please with the question I will mark BRAINLIEST ​
Semmy [17]

Answer:

  • 4^12
  • 6^7
  • 8^5
  • 7^3

Step-by-step explanation:

apply the indices law

  1. multiple means addition
  2. division means subtraction
  3. you are suppose to add the powers or subtract where necessary
  4. 4^9x 4^3= 4^5
  5. 6^5x6^2=6^7
  6. 8^6÷8=8^5
  7. 7^8÷7^6=7^2
6 0
3 years ago
(Photo) Help mee<br>What is the volume of the cone below?
sergejj [24]
Volume = 1/3 pi r^2 h
              = 1/3 * 10^2 *81 pi
              =  2700 pi  units^3

Its  C
3 0
3 years ago
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Please help it is a interim test​
Levart [38]

Answer:

\pi

Step-by-step explanation:

5 0
3 years ago
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Write an addition problem that has a sum of -4 3/5
Sloan [31]

Answer:

-4+(-4.6)

Step-by-step explanation:

6 0
3 years ago
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