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Delicious77 [7]
3 years ago
12

Picking a purple marble from a jar with 10 green and 10 purple marbles

Mathematics
2 answers:
Ludmilka [50]3 years ago
5 0

20 total- you have a 50 50 chance (50 percent) to get either color

sukhopar [10]3 years ago
3 0

Answer:

9 purple 10 green

Step-by-step explanation:

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The diameter of a human red blood cell is 0.000009 m The diameter of a cold virus is 0.00000003 m. Approximately how many times
Lera25 [3.4K]

Answer:

Red Cell is 300 times larger than the virus

Step-by-step explanation:

Size in scientific Notation

  • Red Cell = 9 * 10^-6
  • Virus = 9 * 10^-8

Procedure.

  • Count the number of zeros in the decimal
  • Red Cell = 5 ; virus = 7
  • And one more to each
  • Red Cell = 6; virus = 7
  • change the numbers to minus
  • Red Cell = -6 ; virus = - 7
  • The last row is the powers as shown above.

Answer

9*10^-6/3 * 10^-8

3*10^(-6 - - 8)

3*10^(-  6 + 8)

3^10^2 or 300 times larger

4 0
3 years ago
Read 2 more answers
Michael and Daniel are on a team together. Michael scores 5 points on his turn, but Daniel loses 5 points on his turn.
Tomtit [17]

Answer: They don’t score any points, because since micheal scored 5 points, but Daniel lost those 5 points. They still have 0

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Using appreciate property -2/3 × 3/5 + 5/2 - 3/5 × 1/6 ​
o-na [289]

Answer:

The answer for your question is 2.

Step-by-step explanation:

5 0
3 years ago
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You have 24 months left until you graduate and you plan on buying yourself a new $20,000 car on graduation day. If you invest $3
shusha [124]

Answer: No, the money won't be enough to buy the car

Step-by-step explanation:

you plan on buying yourself a new $20,000 car on graduation day and graduation day is 24 months time. If you invest $300 a month for the next 24 months.

The principal amount, p = 300

He is earning 4% a month, it means that it was compounded once in four months. This also means that it was compounded quarterly. So

n = 4

The rate at which the principal was compounded is 4%. So

r = 4/100 = 0.04

It was compounded for a total of 24 months. This is equivalent to 2 years. So

n = 2

The formula for compound interest is

A = P(1+r/n)^nt

A = total amount that would be compounded at the end of n years.

A = 300(1 + (0.04/4)/4)^4×2

A = 300(1 + 0.01)^8

A = 300(1.01)^8

A = $324.857

The total amount at the end of 24 months is below the cost of the car which is $20000. So he won't have enough money to buy the car

3 0
4 years ago
I’m confused on this one
Lisa [10]

The angle x is half the sum of the intercepted arcs, PQ and NO.

... (1/2)(65° + 45°) = 55° = x° = m∠PMQ

3 0
3 years ago
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