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Reil [10]
2 years ago
8

A number x divided by -1 is at less than 45

Mathematics
2 answers:
Ugo [173]2 years ago
8 0

Answer:

\frac{x}{-1} < 45

x>-45

Step-by-step explanation:

Elanso [62]2 years ago
3 0

Answer:

x is greater than 45

Step-by-ste

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Please answer this question fast in two muintues
djyliett [7]

Answer:

W

Step-by-step explanation:

W is the vertex, you can see the letter above the angle

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What is 3x+5x(5-5) please help <br><br> Add me on roblox dri_thebeat
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Answer:

3x

Step-by-step explanation:

3x+5x(5-5)

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What is the probability that a family of 4 children will have all girls?
Alex73 [517]
Since as of now we're saying that the probability of having a girl is 1/2, we can say:
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3 0
3 years ago
The speed at which cars travel on the highway has a normal distribution with a mean of 60 km/h and a standard deviation of 5 km/
oee [108]

The z-score of the speed value gives the measure of dispersion of the from

the mean observed speed.

The probability that the speed of a car is between 63 km/h and 75 km/h is

<u>0.273</u>.

The given parameters are;

The mean of the speed of cars on the highway, \overline x = 60 km/h

The standard deviation of the cars on the highway, σ = 5 km/h

Required:

The probability that the speed of a car is between 63 km/h and 75 km/h

Solution;

The z-score for a speed of 63 km/h is given as follows;

Z=\dfrac{x-\bar x }{\sigma }

Which gives;

Z=\dfrac{63-60 }{5 } = 0.6

From the z-score table, we have;

P(x < 63) = 0.7257

The z-score for a speed of 75 km/h is given as follows;

Z=\dfrac{75-60 }{5 } = 3

Which gives, P(x < 75) = 0.9987

The probability that the speed of a car is between 63 km/h and 75 km/h is therefore;

P(63 < x < 75) = P(x < 75) - P(x < 63) = 0.9987 - 0.7257 = 0.273

The probability that the speed of a car is between 63 km/h and 75 km/h is

<u>0.273</u>.

Learn more here:

brainly.com/question/17489087

7 0
2 years ago
Plzzzz answer fast......​
Over [174]

Answer: (d)

Step-by-step explanation:

Given

XYZA is a rhombus and side XY is 8 units

We know, In a rhombus

  • All sides are equals
  • Diagonals bisect each other perpendicularly

Using the above property, we can write

XY=ZA=8\ \text{units}

Thus, option (d) is correct.

3 0
3 years ago
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