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Deffense [45]
2 years ago
14

There is a bag with only red marbles

Mathematics
1 answer:
Paha777 [63]2 years ago
6 0

Answer:

14 red marbles.

Step-by-step explanation:

If I am reading this correctly, since the probablitly of choosing a blue marble is 7/9, then 7/9 of the bag must be blue marbles. That amounts to 7/9*63=49 and the bag containing 49 blue marbles. Therefor, 63-49=14 is the number of red marbles in the mag.

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a digital scale measures weight to the nearest 0.2 pound. which measurement shows an appropriate level of precison for the scale
nadezda [96]

Answer:

130.4 pounds

Step-by-step explanation:

The digital scale is measuring weight to the nearest 0.2 pounds, so basically the digital scale would show you the weight of an object that is a multiple of 0.2.

Talking about precision, precision tells us how accurate is the measured value or how close is the measured value to the actual value.

Here, scale is measuring to the nearest 0.2 pounds, so out of the given values the measurement that shows an appropriate level of precision for the scale is 130.4 pounds.

6 0
4 years ago
Read 2 more answers
The cheerleaders are practicing a dance routine in which all 36 of them need to be in a triangular formation. there will be two
dimulka [17.4K]

If you start with 1 cheerleader in row A, then you'll have 3 cheerleaders in row B (add on 2), and then 5 cheerleaders for row C (add on another 2), etc etc.

Note how: 1+3+5 = 4+5 = 9 which is a perfect square. Also note that 36 is a perfect square.

Rule: The sum of the first positive n odd numbers is going to be equal to n^2. In the example of adding the first three odd numbers (1,3,5), we have n^2 = 3^2 = 9 as the sum

So as you can see, we'll have n = 6 rows because n^2 = 6^2 = 36 and

1+3+5+7+9+11 = 36

which is the sum of the first six positive odd numbers. So we'll have 1 cheerleader in row A, 3 in row B, 5 in row C, 7 in row D, 9 in row E, 11 in row F to have 6 rows total.

3 0
3 years ago
If a is a rational number and B is an irrational number can the product of a and b be rational
MAXImum [283]

Answer:

yes

Step-by-step explanation:

5 0
4 years ago
If you have 12% withheld for federal taxes, 7% for state taxes, and FICA is 7.65%, how much are your involuntary withholdings in
grandymaker [24]

Answer:

Step-by-step explanation:

The required withholding amounts are ...

  • federal tax = 0.12×$1375 = $165.00
  • state taxes = 0.07×$1375 = $96.25
  • FICA = 0.0765×$1375 = $105.19

So, the total involuntary withholding is ...

  $165.00 +96.25 +105.19 = $366.44

We want to find the voluntary withholding such that ...

  (gross pay) - (involuntary withholding) - (voluntary withholding) = (net pay)

Adding (voluntary withholding - net pay) to both sides of this equation, we get ...

  (gross pay) - (involuntary withholding) - (net pay) = (voluntary withholding)

Filling in the values we know gives ...

  $1375 -366.44 -725 = voluntary withholding = $283.56

Your voluntary withholding is $283.56.

6 0
3 years ago
178.03 round to the nearest tens
Natali [406]

Answer:

178.0

Step-by-step explanation:


6 0
3 years ago
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