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nordsb [41]
3 years ago
15

Someone help me with this ASAP

Mathematics
1 answer:
romanna [79]3 years ago
6 0

Answer:

<em>Circumference:</em> 18.84 cm

<em>Area:</em> 28.26 cm^2 (exponent 2)

Step-by-step explanation:

Circumference = 2(pi)r

The diameter is 6. Means the radius is 3 (half of 6)

pi = 3.14

2(3.14) x 3 = 18.84

Circumference is 18.84 cm.

Area of a circle = (pi)r^2

(3.14)(3)^2 = 28.26 cm^2 (exponent 2)

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|<br> 3. What is the next number in the sequence 20, 10, 5, 5/2
Vitek1552 [10]

Answer:

\large\boxed{\dfrac{5}{4}}

Step-by-step explanation:

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6 0
3 years ago
Evaluate the expression for the given value of the variable 39 +1/8n=?<br> n= -1/2
pochemuha

Answer:

<em><u>38  15/16</u></em>

Step-by-step explanation:

39 + 1/8n

Since the n = -1/2, replace the 'n' in the original equation with that number

39 + 1/8 (-1/2)

Multiply numerator-to-numerator and denominator-to-denominator

1/8 times -1/2 equals -1/16

(Because a positive times a negative equals a negative)

Now your complete equation is:

39 + -1/16

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3n+5 , hope this helps
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2 years ago
Read 2 more answers
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