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Kobotan [32]
3 years ago
13

If i but a round wall clock and if the radius is 10m what is the circumference of the clock? ?

Mathematics
2 answers:
Luda [366]3 years ago
8 0
Circumference= radius(squred) times Pi(3.14)....

C= 10(10) times 3.14

314 is the answer
Lorico [155]3 years ago
4 0
Circumference of circle= 2*idonthaveapisymbol*r 2pir Or Pi x diameter = 3.14 * 20 2(3.14)(10)
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Can you think of any 2x2 matrices d for which cd = dc for all 2x2 matrices c? give 2 different examples of such matricesd.
Ksju [112]
For any arbitrary 2x2 matrices \mathbf C and \mathbf D, only one choice of \mathbf D exists to satisfy \mathbf{CD}=\mathbf{DC}, which is the identity matrix.

There is no other matrix that would work unless we place some more restrictions on \mathbf C. One such restriction would be to ensure that \mathbf C is not singular, or its determinant is non-zero. Then this matrix has an inverse, and taking \mathbf D=\mathbf C^{-1} we'd get equality.
6 0
3 years ago
Buzz and Jessie are missing each other and their friend Woody They want to meet at Woodys house which is halfway between their a
chubhunter [2.5K]

Answer:

Buzz and woody should see a doctor because they are ugly

Step-by-step explanation:

HOPE THAT HELPS YOU PLEASE MARK ME AS BRANLIEST

8 0
3 years ago
Simplify completely quantity x squared plus 4 x minus 45 all over x squared plus 10 x plus 9 and find the restrictions on the va
dem82 [27]
(x² + 4x - 45)/(x² + 10x + 9) 
<span>
Numerator = N = x² + 4x - 45 </span>
= x² + 9x - 5x - 45 
= (x² + 9x) - (5x + 45) 
= x(x + 9) - 5(x + 9) 
= (x + 9)(x - 5) 
<span>
Denominator = D = x² + 10x + 9 </span>
= x² + x + 9x + 9 
= (x² + x) + (9x + 9) 
= x(x + 1) + 9(x + 1) 
= (x + 1)(x + 9) 
<span>
Hence, the given expr. = N/D </span>
= {(x + 9)(x - 5)}/{(x + 1)(x + 9) 
= (x - 5)/(x + 1) 
<span>
Restrictions : x ≠ - 1, x = 5 </span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly.
7 0
3 years ago
Read 2 more answers
In two or more complete sentences, explain whether the sequence is finite or infinite. Describe the pattern in the sequence if i
Ray Of Light [21]

Answer:

Infinite sequence with terms t_{n+1}=t_n\cdot ab or t_{n+1}=2a\cdot (ab)^n=2a^{n+1}b^n.

t_7=2a^7b^6.

Step-by-step explanation:

Consider the pattern

2a,\ 2a^2b,\ 2a^3b^2,\ 2a^4b^3,\ ...

First term of this pattern is

t_1=2a,

second -

t_2=t_1\cdot ab,

third -

t_3=t_2\cdot ab,

fourth -

t_4=t_3\cdot ab,

fifth -

t_5=t_4\cdot ab=2a^4b^3\cdot ab=2a^5b^4,

sixth -

t_6=t_5\cdot ab=2a^5b^4\cdot ab=2a^6b^5,

seventh -

t_7=t_6\cdot ab=2a^6b^5\cdot ab=2a^7b^6.

This equence is infinite and each next term is obtained from the previous multiplying by ab.

7 0
3 years ago
Can somebody plz help answer this word problem (showing the steps to get answer) thanks!
Alex

Answer:

528 cookies

Step-by-step explanation:

3 hours 55 minutes

=3×60+55

=235 and

235-215 ( for preheating minutes)

220

So

20 minutes…=48 cookies

1. ". =48/20 "

220 ". =48/20×220 "

=12/5×220 "

= 528 "

8 0
3 years ago
Read 2 more answers
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