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Svetach [21]
2 years ago
5

What 5. A circular fish pond is shown below. What is the circumference of the pond? 31 m

Mathematics
1 answer:
Phantasy [73]2 years ago
3 0

Answer:

B) 194.7 m

Step-by-step explanation:

You use the radius value in the formula 2(pi)r.

2(pi)31 = 194.7

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A bag contains 6 gray tiles and 3 blue tiles. Jenny reached into the bag and picked a tile
Arisa [49]

Answer:

The probability that Jenny picked a gray tile with her second pick given that she picked a blue tile with her first pick = 0.25

Step-by-step explanation:

i.) there are 6 gray tiles and 3 blue tiles

ii) the probability that Jenny picked a blue tile first is given by

\frac{number\hspace{0.1cm} of \hspace{0.1cm} blue\hspace{0.1cm}  tiles }{total \hspace{0.1cm}number\hspace{0.1cm} of \hspace{0.1cm}tiles\hspace{0.1cm}  }  = \frac{3}{9}  = \frac{1}{3}

iii) the probability that Jenny picked a gray tile with her second pick without replacing the first tile\frac{number\hspace{0.1cm} of \hspace{0.1cm} blue\hspace{0.1cm}  tiles }{total \hspace{0.1cm}number\hspace{0.1cm} of \hspace{0.1cm}tiles\hspace{0.1cm}  } \times    \frac{number\hspace{0.1cm} of \hspace{0.1cm} gray\hspace{0.1cm}  tiles }{total \hspace{0.1cm}number\hspace{0.1cm } of \hspace{0.1cm}tiles\hspace{0.1cm} - 1 }  = \frac{3}{9} \times \frac{6}{8}  = \frac{1}{3} \times  \frac{3}{4} = \frac{1}{4} = 0.25

The probability that Jenny picked a gray tile with her second pick given that she picked a blue tile with her first pick = 0.25

6 0
2 years ago
You have $4.10 in nickels, dimes, and quarters. If you have twice as many dimes as quarters, and five more nickels than dimes, h
lutik1710 [3]

For this case, the first thing to do is define variables.

We have then:

  • <em>x: number of nickels </em>
  • <em>y: number of dimes </em>
  • <em>z: number of quarters </em>

We write now the system of equations:

0.05x + 0.1y + 0.25z = 4.10\\y = 2z\\x = y + 5

Then rewriting the equations we have:

0.05 (2z + 5) + 0.1 (2z) + 0.25z = 4.1\\0.05 (2z + 5) + 0.1 (2z) + 0.25z = 4.1\\0.1z + 0.25 + 0.2z + 0.25z = 4.1\\0.55z = 4.1-0.25

z = \frac {3.85} {0.55}\\z = 7

Then, substituting values we have:

y = 2 (7)\\y = 14

Finally:

x = 14 + 5\\x = 19

Answer:

19 nickels

14 dimes

7 quarters

6 0
3 years ago
Who lives in FL i do
Ann [662]
I live in Florida as well. FL babyeeee. Melly’s hometown yk yk
3 0
2 years ago
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You want Brainliest help me plsss
yKpoI14uk [10]

Answer:

the slope in the equation is 5, while the slope on the graph is 2

3 0
2 years ago
Which ordered pair is the solution to this system of equations?
gizmo_the_mogwai [7]

Answer:

A) (4, -2)

Step-by-step explanation:

3 0
2 years ago
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