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ivanzaharov [21]
4 years ago
10

Urgent! Brainliest!

Mathematics
1 answer:
Thepotemich [5.8K]4 years ago
8 0

Answer:

\frac{1}{2}n+1=\frac{2n-22}{3}

Step-by-step explanation:

Let's translate the sentence part by part:

Remember "is" means "equal" and "of" means "multiplication"

<u>"One more than one-half a number is ":</u>

\frac{1}{2}n+1=

<u>"the quotient of 22 less than twice the number and 3":</u>

\frac{2n-22}{3}

We can put them together as:

\frac{1}{2}n+1=\frac{2n-22}{3}

This is the equation.

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A plastic skeleton is

Answer: B. a physical model.

The world has lots of different kinds of models. A mathematical model might be a ball travels according to the equation y = v_0 t - \frac 1 2 gt^2. This isn't that. A computer model would be a program that somehow simulates a skeleton in the computer, this isn't that either. Our skeleton is an actual physical model just like a model airplane.


4 0
3 years ago
HELP!
Readme [11.4K]

Answer: You have a better chance if you do not replace the red marble.

Step-by-step explanation:

The bag has:

5 red marbles

8 blue marbles

4 yellow marbles

3 green marbles

A total of 5 + 8 + 4 + 3 = 20

You want to draw a red marble and then a blue marble.

The probability of drawing a red marble in your first attempt is the number of red marbles divided the total number of marbles:

P1 = 5/20  

now you want to draw a blue marble.

If you replace the red marble, you have 20 marbles again in the bag, then the probability of drawing a blue marble is:

P2 = 8/20

The joint probability is P = P1*P2 = (5/20)*(8/20) = 0.1

If you do not replace the red marble, you have 19 total marbles in the bag, then the probability of taking a blue marble is:

P2 = 8/19

The joint probability is:

P = P1*P2 = (5/20)*(8/19) = 0.105

The probability is slightly bigger if you do not replace the red marble.

7 0
4 years ago
Read 2 more answers
I need Geometry help
Anvisha [2.4K]
Yes that is correct
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AAS congruence theorem
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3 years ago
Enter the equation in slope-intercept form. Then graph the line described by the equation. -4x - 3y = 9
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Answer:

Step-by-step explanation:

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5 0
3 years ago
Select all the examples of categorical data. colors number of siblings favorite pet profits genre of music
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Answer:

Color, favorite pet, genre of music

Step-by-step explanation:

Categorical variables are simply statistical variables which are non - numeric, usually employed in characterization and groupings based on a certain number of fixed attributes, categories. In the options atated above, the categorical variables fall under a heading with a limited and fixed attributes such as color, pet and genre of music. However, options such as number of siblings and profit are purely numeric variables which can take up any numeric digits and allow for direct numeric computation. They are called quantitative variables.

3 0
4 years ago
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