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2 years ago

Covert this rational number to its decimal form and round to the nearest thousandth. 7/9

Mathematics

1 answer:

Lisa [10]2 years ago

3 0

Answer:

0.778 to the nearest thousandth.

Step-by-step explanation:

Dividing 7 by 9:

9) 7.000000

0.7777777 .... <-- quotient

So it is 0.778 to the nearest thousandth.

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Y_Kistochka [10]

Answer:

Step-by-step explanation:

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4 years ago

Two resistors, with resistances R1 and R2, are connected in series. R1 is normally distributed with mean 100 ohms and standard d

puteri [66]

Answer:

The probability that R2 is bigger than R1 is P=0.9633.

Step-by-step explanation:

We need to compute the probability that R2 is bigger than R1:

$P(R_2>R_1)$

To do this, we define a new variable Das the difference between the two resistances:

$D=R_2-R_1$

Then,

$P(R_2>R_1)=P(R_2-R_1>0)=P(D>0)$

As R1 and R2 are normal random variables, the properties of D are:

$\mu_D=\mu_{R2}-\mu_{R1}=120-100=20\\\\\sigma_D=\sqrt{\sigma_{R2}^2+\sigma_{R1}^2}=\sqrt{10^2+5^2}=\sqrt{100+25}=\sqrt{125}=11.18$

Then, we can calculate the z-value for D=0

$z=\frac{x-\mu}{\sigma} =\frac{0-20}{11.18}=\frac{-20}{11.18}= -1.79$

$P(D>0)=P(z>-1.79)=0.9633$

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3 years ago

Using GCF write an expression that is equivalent to 16p+48

aalyn [17]

You start by looking at what number can divide evenly into both 16 and 48. Both numbers are divisible by 16. 16 goes into 16 once and 16 goes into 48 three times. So you divide each term by 16 and your expression should look like this: 16 (p+3)

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3 years ago

What is value of x? Enter your answer in the box. x =

Ghella [55]

The bisector divides the line BC in the following ratio.

(x + 8) / 10 = (2x - 5) / 14 Cross Multiply

14(x + 8) = 10(2x - 5) Remove the brackets.

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112 + 50 = 20x - 14x Collect like terms

162 = 6x Divide by 6

x = 27

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4 years ago

My number has a tens digit that is right more than the ones digit. Zero is not one of my digits. What is the 2 digit number that

Helen [10]

If right is supposed to be eight then answer is 81

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3 years ago

Covert this rational number to its decimal form and round to the nearest thousandth. 7/9​

Covert this rational number to its decimal form and round to the nearest thousandth. 7/9