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m_a_m_a [10]
4 years ago
11

What is the formula for the circumference of a circle using the radius?

Mathematics
1 answer:
marta [7]4 years ago
4 0
We know that:
C=πd Were π(pi)=3,14... and d=diameter
We know that the radious is 2d, so we aply this to the formula and we get that:
C=2πr
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Do 3 lines always, sometimes or never intersect at one point?
Pie

Answer:

Sometimes

Step-by-step explanation:

Three line sometimes intersect

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A geometric sequence is defined recursively by an = 6ap-1. The 1st term of
Nezavi [6.7K]
The answer is b because It’s right
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3 years ago
How do you solve this equation: 5w – 4w + 4 = 14 ?
noname [10]
First combine the like terms 5w and -4w to get just w.
so now the problem looks like:
 
w + 4= 14

subtract 4 from each side now. and you get the answer:

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7 0
3 years ago
Read 2 more answers
Zayden has a total of 20 bills in his wallet. Also, his wallet only contains $50 and $100 bills. If the numbers of $50 and $100
iVinArrow [24]

Step-by-step explanation:

x = number of $50 bills

y = number of $100 bills

x + y = 20

50x + 100y + 500 = 100x + 50y

50y + 500 = 50x

y + 10 = x

now we use that in the first equation :

y + 10 + y = 20

2y = 10

y = 5

x = y + 10 = 5 + 10 = 15

so, he has 15 $50 bills and 5 $100 bills = $750 + $500 = $1250 in his wallet

8 0
3 years ago
-6/15 * 4/7 - (-7)/20 * 4/7 + 3/4 <br><br>PLS INCLUDE STEPS
algol [13]

Answer:

101/140

Step-by-step explanation:

<u>Solving in steps:</u>

  • -6/15 * 4/7 - (-7)/20 * 4/7 + 3/4  =
  • - 2/5 * 4/7 + 7/20 * 4/7 + 3/4 =
  • - 8/35 + 7/35 + 3/4 =
  • -1/35 + 3*35/4*35 =
  • -4/140 + 105/140 =
  • 101/140

4 0
3 years ago
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