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2 years ago

What is the number you must add to complete the square x^2 - x

Mathematics

1 answer:

nadya68 [22]2 years ago

7 0

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Jocelyn needs to place a 7 meter ladder against a house so that the base of the ladder is 6.5 meters from the building. I want a

GrogVix [38]

Answer:

21.787°

Step-by-step explanation:

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3 years ago

What is the mean of 4,6,8,20, 12?

Delvig [45]

Answer:

add them all up which is 40 then divide by the amount of numbers there are. in this case 5, so 40 ÷ 5 = 8

6 0

2 years ago

Read 2 more answers

What is 5 + -4 * (12/-6)

Archy [21]

Answer:

Step-by-step explanation:

Parentheses first:

5+ (-4) * (-2)

Then Multiply:

5+8

Then Add:

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3 years ago

Assume the random variable X is normally distributed with mean mu equals 50 and standard deviation sigma equals 7. Compute the p

defon

Answer:

$P(X>34) = 0.9889$

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 50

Standard Deviation, σ = 7

We are given that the distribution of random variable X is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(X greater than 34)

$P( X > 34) = P( z > \displaystyle\frac{34 - 50}{7}) = P(z > -2.2857)$

$= 1 - P(z \leq -2.2857)$

Calculation the value from standard normal z table, we have,

$P(X>34) = 1 - 0.0111= 0.9889= 98.89\%$

The attached image shows the normal curve.

4 0

3 years ago

A courier originally had 5 packages to deliver. Suppose x represents the number of packages she has delivered so far and y repre

Olenka [21]

Answer:

A,E,F

Step-by-step explanation:

5 0

2 years ago