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rewona [7]
3 years ago
13

Solve the following equation: 2x – 4 = 4x +8. Make sure to not only solve the problem, but to list out the steps using academic

vocabulary.
Mathematics
1 answer:
USPshnik [31]3 years ago
3 0
Answer: x = -6

Step 1: 2x = 4x+8+4
Step 2: 2x-4x = 12
Step 3: -2x = 12
Step 3: x = -6
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The amount of icing on a Cuppie Cake large cupcake follows a Normal distribution, with a mean of 2 ounces and a standard deviati
TiliK225 [7]

Answer: the probability the mean weight will exceed 2.1 ounces is 0.09

Step-by-step explanation:

Let x be the random variable representing the amount of icing on a Cuppie Cake large cupcake. Since it is normally distributed and the population mean and population standard deviation are known, we would apply the formula,

z = (x - µ)/(σ/√n)

Where

x = sample mean

µ = population mean

σ = standard deviation

n = number of samples

From the information given,

µ = 2

σ = 0.3

n = 16

x = 2.1

the probability that the mean weight will exceed 2.1 ounces is expressed as

P(x ≥ 2.1)

For x = 2.1

z = (2.1 - 2)/(0.3/√16) = 1.33

We would determine the probability for the area above z = 1.33 from the normal distribution table. It would be

p = 1 - 0.91 = 0.09

P(x ≥ 2.1) = 0.09

6 0
3 years ago
Pls help. Will give brainliest.
saw5 [17]

From the graph, we get that:

The domain is (-4,4).

The function has no zeros.

The function is positive in the interval (-4, 0].

The function is negative in the interval (0,4).

------------------------------------

The domain of a function is the set that contains all the possible input values. In a graph, it is the values of the x-axis, that is, the horizontal axis.

In this question, the values of x are in the interval of (-4,4) thus, the domain is (-4,4).

The zeros are the values of x for which y = 0, that is, the values of x where the function crosses the horizontal axis. In this question, the function does not cross the horizontal axis, thus, it has no zeros.

The function is positive when the graph is above the horizontal axis. In this question, it is in the interval (-4,0].

The function is negative when the graph is below the horizontal axis. In this question, it is in the interval (0,4).

A similar problem is given at brainly.com/question/24493729

6 0
3 years ago
What is the answer to this question? I need help.
anygoal [31]
Ahh it’s the second option I believe!!
7 0
3 years ago
Ansley wants to drink at least 64 ounces of water per day, but no more than 72 ounces. How many ounces of water per day might sh
Tema [17]
64,65,66,67,68,69,70,71,72
5 0
3 years ago
Read 2 more answers
4. Steve has a card collection. He keeps 12 of the cards in a pocket, which
BabaBlast [244]

Answer:

I think 80

Step-by-step explanation:

100/15=6.66666667

12x6.67=80.4

4 0
3 years ago
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