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Nataly [62]
4 years ago
10

Does choosing a blue marble represent the complement event of choosing a red marble? Explain.

Mathematics
3 answers:
Vaselesa [24]4 years ago
4 0

Answer:

No, the probability of choosing a red marble is not the complement of choosing a blue marble.

P(red) + P(blue) = 3/5, not 1.

The number of blue and red marbles does not add to the total number of outcomes.

There are other marbles besides red ones and blue ones.

Step-by-step explanation:

i got it right.

Arada [10]4 years ago
3 0

Answer:

Below is the sample response

Step-by-step explanation:

The complementary event for choosing a red marble is choosing a blue or purple. The total number of marbles is 5. The probability of choosing a red marble is 1/5, and the complement would be 4/5. That is not the same as choosing a blue marble.

Lina_smartkid2 years ago
0 0

The complementary event for choosing a red marble is choosing a blue or purple. The total number of marbles is 5. The probability of choosing a red marble is 1/5, and the complement would be 4/5. That is not the same as choosing a blue marble.

Lina_smartkid
2 years ago
got it right on edg
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The rational number lies between −67/7 and−78/8
zheka24 [161]

9514 1404 393

Answer:

   -135/14

Step-by-step explanation:

There are an infinite number of rational numbers between any pair of numbers you name. These two number have the decimal values ...

  -67/7 = -9 4/7 = -9.571428... (repeating)

  -78/8 = -9 3/4 = -9.75

So, numbers like -9.6 = -48/5, or -9.7 = -97/10 are rational numbers that lie in the range you specified.

If you like, you can convert these numbers to ones with a common denominator (56).

 -67/7 = -536/56

 -78/8 = -546/56

These limits suggest several possible rational numbers with 56 as a denominator: -540/56 = -135/14, for example.

7 0
3 years ago
Barney has 16 1/5 yards of fabric. To make an elf costume, he needs 5 2/5 yards of fabric. How many costumes can Barney make?
AURORKA [14]
Total yards if fabric /fabric needed to make an elf costume
therefore 16 1/5 ÷ 5 2/5
=3
so Barney can make 3 costumes out of 16 1/5 yards of fabric
8 0
4 years ago
Read 2 more answers
the fastest elevators in the burn khalifa can travel 330 ft in just 10 seconds how far just elevator travel in one second​
ycow [4]

Answer:

33ft/sec

Step-by-step explanation:

Divide the distance by time to find speed:

330ft / 10 sec = 33ft/sec

5 0
3 years ago
Read 2 more answers
Classify the equation as one solution, no solution, or infinity many solutions.
dangina [55]
No solution. Because using PEMDAS you would subtract 7x from both sides, leaving 3 = -4, which doesn't make sense.
5 0
3 years ago
G(x) = 3x + 1<br><br>f(x) = 2x - 5<br><br> Find g (f (x))​
sammy [17]

Answer:

g(f(x)) = 6x - 14

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Function Composition

Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = 3x + 1

f(x) = 2x - 5

<u>Step 2: Find</u>

  1. Substitute:                    g(f(x)) = 3(2x - 5) + 1
  2. Distribute 3:                  g(f(x)) = 6x - 15 + 1
  3. Combine like terms:    g(f(x)) = 6x - 14
6 0
3 years ago
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