Solve for x.
8x=4x−32
A)x = 8
B)x = 4
C) x=−4
D) x=−8

Answers

Answer 1
Answer:

Answer:

x=-8

Step-by-step explanation:

i took the quiz

Answer 2
Answer:

Answerd

                     

Step-by-step explanation:


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What is the domain of the function?Question 2 options:

all real numbers greater than or equal to 1

all real numbers less than or equal to 5

all real numbers less than or equal to 1

all real numbers

Answers

Answer:

"all real numbers"

Step-by-step explanation:

The domain is the set of x-values for which the function is defined.

Domain is also the input of the function (graph).

The graph shown has arrows in both directions. It means that the graph goes on in both directions. If we were to think correctly, we would say the graph would go on-and-on in both +ve x and -ve x directions. So there would be values of x for all real numbers (going to infinity and negative infinity)

Hence, the domain is all real number, the last answer choice is right.

a bag contains 5 blue sticks,4 red sticks, and 3 orange sticks and you ask a friend to pick one without looking. what is probability that the stick will be blue?

Answers

the probability of getting a blue stick will be 5/12.

What is probability?

A probability is a numerical representation of the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.

Given, a bag containing 5 blue sticks,4 red sticks, and 3 orange sticks and you ask a friend to pick one without looking.

probability = desired outcome / maximum possible outcomes

For the probability of getting a blue stick

since there are 5 blue pen

desired outcome = 5

maximum possible outcomes = 5 + 4 + 3

maximum possible outcomes = 12

thus, probability = 5/12

therefore, 5/12 will be the probability of getting a blue stick.

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The probability is 5/12

If a² + b² = c², then which of the following are also true? Select all that apply.Options
a² - b² = c²
b² + a² = c²
c² + a² = b²
c² - a² = b²
c² - b² = a²

Answers

Answer:

b² + a² = c²

c² - b² = a²

c² - a² = b²

Step-by-step explanation:

This is because its only addition so 2+2=4 no matter how you turn it around. And 4-2=2 is 2 no matter what.

The number of chocolate chips in an​ 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips.​(a) What is the probability that a randomly selected bag contains between 1000 and 1500 chocolate​ chips, inclusive? ​(b) What is the probability that a randomly selected bag contains fewer than 1025 chocolate​ chips? ​(c) What proportion of bags contains more than 1200 chocolate​ chips? ​(d) What is the percentile rank of a bag that contains 1425 chocolate​ chips?

Answers

Using the normal distribution, it is found that:

a) There is a 0.947 = 94.7% probability that a randomly selected bag contains between 1000 and 1500 chocolate​ chips, inclusive.

b) There is a 0.0392 = 3.92% probability that a randomly selected bag contains fewer than 1025 chocolate​ chips.

c) 0.3446 = 34.46% of bags contains more than 1200 chocolate​ chips.

d) The bag is in the 91st percentile.

In a normal distribution with mean \mu and standard deviation\sigma, the z-score of a measure X is given by:

Z = (X - \mu)/(\sigma)

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem:

  • Mean of 1252 chips, thus \mu = 1252.
  • Standard deviation of 129 chips, thus \sigma = 129.

Item a:

The probability is the p-value of Z when X = 1500 subtracted by the p-value of Z when X = 1000, thus:

X = 1500:

Z = (X - \mu)/(\sigma)

Z = (1500 - 1252)/(129)

Z = 1.92

Z = 1.92 has a p-value of 0.9726.

X = 1000:

Z = (X - \mu)/(\sigma)

Z = (1000 - 1252)/(129)

Z = -1.95

Z = -1.95 has a p-value of 0.0256.

Then, 0.9726 - 0.0256 = 0.947

There is a 0.947 = 94.7% probability that a randomly selected bag contains between 1000 and 1500 chocolate​ chips, inclusive.

Item b:

This probability is the p-value of Z when X = 1025, thus:

Z = (X - \mu)/(\sigma)

Z = (1025 - 1252)/(129)

Z = -1.76

Z = -1.76 has a p-value of 0.0392.

There is a 0.0392 = 3.92% probability that a randomly selected bag contains fewer than 1025 chocolate​ chips.

Item c:

This proportion is 1 subtracted by the p-value of Z when X = 1200, thus:

Z = (X - \mu)/(\sigma)

Z = (1200 - 1252)/(129)

Z = -0.4

Z = -0.4 has a p-value of 0.3446.

0.3446 = 34.46% of bags contains more than 1200 chocolate​ chips.

Item d:

This percentile is the p-value of Z when X = 1425, thus:

Z = (X - \mu)/(\sigma)

Z = (1425 - 1252)/(129)

Z = 1.34

Z = 1.34 has a p-value of 0.91.

The bag is in the 91st percentile.

A similar problem is given at brainly.com/question/13680644

Final answer:

The probability and percentiles can be found using the z-score formula and then looking these z-scores up in the standard normal distribution table.

Explanation:

In this question, we're dealing with a normal distribution. For a normal distribution, probabilities can be calculated using the z-score formula which is given by Z = (X - μ) / σ, where X is the value from which you want to find the probability, μ is the mean and σ is the standard deviation.

(a) To find the probability that a randomly selected bag has between 1000 and 1500 chocolate chips, we need to find the z-scores for both 1000 and 1500 and then find the area between these two z-scores in the standard normal distribution table.  (b) To find the probability that a randomly selected bag has less than 1025 chips, we find the z-score for 1025 and find the area to the left of it in the standard normal distribution table. (c) To find the proportion of bags containing more than 1200 chips, we find the z-score for 1200 and then find the area to the right of it in the standard normal distribution table. (d) Percentile rank can be found by finding the z-score for 1425 chips, and then finding the corresponding percentile in the standard normal distribution table.

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If A= B and AB= 3x-5 BC= 5x-6 and AC = 2x-9 find the value of X

Answers

Therefore, the value of x is -4 if A= B and AB= 3x-5 BC= 5x-6 and AC = 2x-9.

What is equation?

An equation is a mathematical statement that shows the equality of two expressions. It is composed of two sides, separated by an equals sign (=), indicating that the two sides are equivalent in value. An equation may contain variables, which are unknown values represented by letters, as well as constants, which are known values. Equations are used in many areas of mathematics and science to model and solve problems. For example, the equation y = mx + b is a linear equation that describes the relationship between the variables x and y in a straight line, where m is the slope of the line and b is the y-intercept. Equations can be solved by manipulating the variables and using mathematical operations to isolate the unknown value.

Here,

Since A = B, we know that AB = B². So, we can rewrite the equation AB = 3x - 5 as B² = 3x - 5.

Similarly, we can rewrite BC = 5x - 6 as B² = 5x - 6, and AC = 2x - 9 as A² - B² = (2x - 9) - (B^2).

Since we know that A = B, we can substitute B for A in the last equation to get:

B² - B² = (2x - 9) - (B²)

Simplifying this equation, we get:

0 = 2x - 9 - B²

Now we can substitute the equation B² = 3x - 5 into the above equation to get:

0 = 2x - 9 - (3x - 5)

Simplifying this equation, we get:

0 = -x - 4

Solving for x, we get:

x = -4

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Whats 10293 x 384? Its really hard!

Answers

Answer:

3,952,512

Step-by-step explanation: