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3 years ago

3/4 divided by 6/7 find the quotient

Mathematics

2 answers:

Alex787 [66]3 years ago

4 0

Answer:

Math

Step-by-step explanation:

uranmaximum [27]3 years ago

3 0

Answer:

0.875

Step-by-step explanation:

7/8

0.875

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2. Con los siguientes vectores realice las operaciones expresadas con su gráfica ( polígono

Sindrei [870]

Gánster:

polígono

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3 years ago

Suppose that prior to conducting a coin-flipping experiment, we suspect that the coin is fair. How many times would we have to f

BabaBlast [244]

Answer:

153 times

Step-by-step explanation:

We have to flip the coin in order to obtain a 95.8% confidence interval of width of at most .14

Width = 0.14

ME = $\frac{width}{2}$

ME = $\frac{0.14}{2}$

ME = $0.07$

$ME\geq z \times \sqrt{\frac{\widecap{p}(1-\widecap{p})}{n}}$

use p = 0.5

z at 95.8% is 1.727(using calculator)

$0.07 \geq 1.727 \times \sqrt{\frac{0.5(1-0.5)}{n}}$

$\frac{0.07}{1.727}\geq sqrt{\frac{0.5(1-0.5)}{n}}$

$(\frac{0.07}{1.727})^2 \geq \frac{0.5(1-0.5)}{n}$

$n \geq \frac{0.5(1-0.5)}{(\frac{0.07}{1.727})^2}$

$n \geq 152.169$

So, Option B is true

Hence we have to flip 153 times the coin in order to obtain a 95.8% confidence interval of width of at most .14 for the probability of flipping a head

6 0

3 years ago

What does s equal <br>8s-(8+6s)=20

ad-work [718]

S equals 14. First, you need to do a distributive property for negative sign inside the parenthesis. Combine like terms, add 8 to the both sides and divide by 2.

5 0

3 years ago

Watch help video<br> In AUVW, the measure of represents the cosine of

DedPeter [7]

Answer:

80/89

Step-by-step explanation:

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8 0

3 years ago

What is 9 times -11 + 17 times 11 in factored form

Rama09 [41]

Answer:

Step-by-step explanation:

(17 * 11 = 187) + (9 * -11 = -99)

187 - 99 = 88

7 0

3 years ago