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Degger [83]
4 years ago
7

Eight more than four times a number is negative twelve

Mathematics
1 answer:
quester [9]4 years ago
4 0
The equation is 4x+8=-12 so you subtract 8 from both sides to give you 4x=-20, then you divide by 4 to get x=-5
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The circumference of a circular region is shown.what type of number best describes the diameter of the circle? Explain
Nutka1998 [239]
<span>Pi / 3.14</span><span>
Where pi is defined as the ratio of a circle’s circumference divided by the diameter of the its circle. Pi has a value which is 3.1416. This pi is a constant value expressed by the quotient of its circumference over the diameter. What type of number best describes the diameter is the pi. Hence, if we describe the diameter, diameter is the quotient of pi over the circumference of a circle by itself. It can’t change in value since for every solution and quotient of a circle each calculation gets 3.14 more or less. </span>




6 0
3 years ago
What is the radius of a circle with circumference 17mm? Round to nearest tenth. Use 3.14
WINSTONCH [101]
     C = 2πr
   17 = 2(3.14)(r)
   17 = 2(3.14r)
   17 = 6.28r
 6.28   6.28
2.71 ≈ r
5 0
4 years ago
Help help help help help
castortr0y [4]
First you need to factor the problems by using a couple of different methods, but the easiest could be the factor tree:

for example with 4-6a

you would put 4 = 2•2 so 2 is it’s GCF
and 6= 3•2 so 3 is it’s GCF

however the question is asking for the combined GCF (meaning the whole problem)

so 4-6a’s GCF would be 2 considering it is the only greatest common factor between BOTH numbers

for 12a^2 - 8a you would use the same method:

12a^2= 3a•2a•2 and 3a is it’s GCF
8a = 2•2•2a and 2a is it’s GCF

but combined, the greatest factor BOTH numbers have in common is 2a, so 2a is the answer!

i hope i helped you :)!❤️
7 0
4 years ago
A= 1/2 π r ^2 solve for pi
iogann1982 [59]

Answer:

Well thats pretty easy. the answer is non-determineable

Step-by-step explanation:

prove me wrong

7 0
3 years ago
11.57-n=7.51 write the unknown number for n
shusha [124]
It is true and stands for 4.06
7 0
4 years ago
Read 2 more answers
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