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pishuonlain [190]
3 years ago
9

Help for brainliest!

Mathematics
1 answer:
mestny [16]3 years ago
5 0

Answer:

Your right

Step-by-step explanation:

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Pavel [41]
They are similar because 4/2 = 8/4
8 0
3 years ago
Help pls (I need to make it 20 things so Im typing this)
Brrunno [24]

Answer:

8

Step-by-step explanation:

this 3 qub root of 512 is 8

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Please help<br><br> 17-Y+8+3Y+2Y=Y(-7+3)+1(2)
Mice21 [21]

Answer:

Y-5 = 3Y –25

Y-3Y = -25 + 5

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Y= - 20

- 2

Y= 10

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Point A is located at (0, 4) and point B is located at (−2, −3). Find the x value for the point that is 1 over 4 the distance fr
Vesna [10]

Answer: -0.5

<u>Step-by-step explanation:</u>

the x-value for A is 0.  

the x-value for B is -2.  

The total distance from A to B is -2.

\frac{1}{4}(-2) = -0.5

  A + -0.5

= 0 - 0.5

=  -0.5

7 0
3 years ago
Read 2 more answers
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

8 0
3 years ago
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