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Liula [17]
3 years ago
7

Pls help with question 7

Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0

Answer:

C. 52/289

Step-by-step explanation:

Ok so the total number of marbles is 6+4+2+5 (17).

The probability of picking an orange is 4/17 (because there are 4 orange blocks).

The probability of picking a block that isn't orange is 13/17.

Multiply those two numbers together, and you get: 52/289

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A coin is flipped 70 times and lands on tails 28 times. What is the relative frequency of the coin landing on tails? 20% 30% 40%
ivanzaharov [21]
The relative percentage is the ratio of a certain outcome compared to the total.  In this case the outcome is tails and there were 28 of those.  To calculate the percentage you must take the outcome and divide it by the total. If you divide 28 by 70 you get 0.4 meaning the frequency is 40%
3 0
3 years ago
Read 2 more answers
1.x(x+4)=5
nlexa [21]

x (x + 4) = 5

x² + 4x = 5

x²+ x + (-5) = 0

(x+3)²+(t+3)²=9

x² + 6x + 9 + t² + 6t + 9 = 9

x² + t² + 6x + 6t + 18 + (-9) = 0

x² + t² + 6x + 6t + 9 = 0

x² + t² + 6(x + t) + 9 = 0

3/x + 4/2x = x - 1

6/2x + 4/2x = x - 1

10/2x = x - 1

10 = (x - 1) 2x

10 = 2x² - 2x

0 = 2x² + (-2x) + (-10)

8 0
3 years ago
Triangle abc has the following vertices:
Illusion [34]

9514 1404 393

Answer:

  no

Step-by-step explanation:

It is impossible to plot an equilateral triangle on a coordinate grid using integer coordinates. The given triangle may be close, but <em>cannot be an equilateral triangle</em>.

4 0
3 years ago
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