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Monica [59]
4 years ago
8

Answer which ever for 13 points!

Mathematics
2 answers:
nata0808 [166]4 years ago
8 0
I'm pretty sure 12 is C
Sindrei [870]4 years ago
7 0
Yes the answer is C which is 250 pounds
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PLS HELPPP !! BRAINLIEST!!
satela [25.4K]
18cm you multiple it my the figure given
6 0
4 years ago
A spinner is divided into six equal-sized sectors labeled 1 through 6. Dwayne spins this spinner 12 times. Let X
slavikrds [6]

Answer:

b) μ = 2 and σ = 1.29

Step-by-step explanation:

<u><em>Step(i):-</em></u>

<em>Given that the A spinner is divided into six equal-sized sectors labelled 1 through 6</em>

<em>Given that the probability of labelled '1'</em>

<em>                       </em>p = \frac{1}{6} =0.16

<em>                      q = 1-p =  1- 0.16 = 0.84</em>

Let 'X' be a random variable in binomial distribution

The mean of the binomial distribution

      μ = n p

     μ  =  12 (\frac{1}{6} ) = 2  

<em>The mean of the binomial distribution  = 2</em>

<u><em>Step(ii):-</em></u>

The standard deviation of X

                σ = \sqrt{npq}

               σ = \sqrt{12(0.16)(0.84}

                  σ = 1.269

<em>The standard deviation of the binomial distribution</em>

<em>                </em> σ = 1.269

<u><em></em></u>

<u><em></em></u>

6 0
3 years ago
Read 2 more answers
Find a counterexample to show that the conjecture is false. The product of two positive numbers is always greater than either nu
jekas [21]

Answer:

\frac{1}{2}×\frac{1}{4}=\frac{1}{8}

Step-by-step explanation:

This sentence isn't always true.

  • here is a counter example :

The trick is to use fractional numbers .

  • \frac{1}{2} ×\frac{1}{4} = \frac{1}{8}

let's analyse this example :

  • \frac{1}{2}\geq\frac{1}{8}   and  \frac{1}{4}\geq\frac{1}{8}

1/2=0.5 and 1/4=0.25 but 1/8=0.125

0.125<0.25<0.5

  • here is another example : (1/2)*(1/3)=1/6
  • the same thing : 1/6<1/3<1/2
4 0
3 years ago
What is a real number between 13 and 14 square root
love history [14]
There are many answers, but one is 3.654
3 0
4 years ago
A ladder 10 feet long rests against a vertical wall. Let θ be the angle between the top of the ladder and the wall, and let x be
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

Given:

Length of ladder, y = 10 ft

θ = π/3 rad

Using cosine rule,

Sin θ = opposite/hypotenuse

Sin θ = x/y

Sin θ = x/10

Differentiating both sides with respect to dθ,

10 × cos θ × dθ = dx

10 cos θ = dx/dθ

dx/dθ = 10 × cos π/3

= 5 ft/radians.

5 0
3 years ago
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