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stealth61 [152]
2 years ago
5

Sjifisifnjsjemwjjfjwudjjsdjf

Mathematics
1 answer:
Igoryamba2 years ago
6 0

Answer:

No answer

Step-by-step explanation:

I'm just a smart guy

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What is the mean of the data set?<br> 61, 38, 40, 53
Anit [1.1K]

Answer:

48

Step-by-step explanation:

You are solving for the mean of the data set. To do so, add all the numbers together, and <em>divide by the amount of numbers in the set</em>.

Note that there are 4 numbers given to you: 38, 40 , 53, 61.

First, add the 4 numbers together:

38 + 40 + 53 + 61 = 192

Next, divide 4 from the total gotten:

192/4 = 48

48 is the mean of the data set.

~

8 0
3 years ago
Read 2 more answers
The pattern 10, 12, 14, 16, ________ follows the rule add two. What is the next number in the pattern?
Lady bird [3.3K]

Answer:

18

Step-by-step explanation:

I did maths I did maths I did maths I did maths I did maths

5 0
3 years ago
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Find the solutions for a triangle with a = 16, c =12, and B = 63º.
maks197457 [2]

Answer:

b. A = 71.6°; C = 45.40°; b =15.0

Step-by-step explanation:

The missing values can be found with the help of the Law of Cosine and properties of triangles:

Side b (Law of Cosine)

b = \sqrt{a^{2}+c^{2}-2\cdot a \cdot c \cdot \cos B}

b = \sqrt{16^{2}+12^{2}-2\cdot (16)\cdot (12) \cdot \cos 63^{\circ}}

b \approx 15.022

Angle A (Law of Cosine)

\cos A = -\frac{a^{2} - b^{2}-c^{2}}{2\cdot b \cdot c}

\cos A = - \frac{16^{2}-15.022^{2}-12^{2}}{2\cdot (15.022)\cdot (12)}

\cos A = 0.315

A= \cos^{-1} 0.315

A \approx 71.639^{\circ}

Angle C (Sum of internal angles in triangles)

C = 180^{\circ} - 63^{\circ} - 71.639^{\circ}

C = 45.361^{\circ}

Hence, the right answer is B.

6 0
3 years ago
Explain how you know weather to add or subtract when you use the distributive property to multiply
nadya68 [22]
0
0
How to add,subtract, and multiply distributive property
I am working on adding, subtracing, and multiplying distributive property. I am confused because i do not know what steps to take in order to do each problem

10/22/2012 | Lando from Chicago, IL | 2 Answers | 0 Votes
Distributive Property
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2 ANSWERS

David H.
Colorado Springs, CO
0
0
The distributive property allows us to simplify equations.

The following is a simple problem that shows how we can use the distributive property:

A florist is selling flower arrangements with 4 lilies and 3 roses. If John bought 5 arrangements, how many of each flower would he have?

5 x (4 + 3)

The distributive property says that we can distribute the 5 and simplify this to 5 x 4 + 5 x 3. By multiplying you would get 20 lilies and 15 roses or 35 flowers total.

If we do not distribute the 5, we would get 5 x 4 + 3. 20 lilies and 3 roses or 23 flowers total.

The distributive property works the exact same way with subtraction, but remember, you only distribute to the numbers inside the parentheses. Variables can be distributed the same way.


with subtractions, one must take great care. For example 5-3*(6-2) = 5-3*6+3*2. Note that the rule that the product of two negatives is a positive was used. A common mistake is to say that the expression equals 5-3*6-3*2.



0
0
While the question is vague, this may help.

The Order of Operations is the priority in which you perform operations in mathematics. The order of operation is:

- Do operations within parentheses first,
- Exponents
- Multiplication and Division, Left to right, as you encounter them
- Addition and Subtraction, Left to right, as you encounter them

An example:

5(4+2)2(1+3) - 3(6-3)(7+1)2 =

Work the parentheses, and keep everything else unchanged: 5(4+2)2(1+3) - 3(6-3)(7+1)2 =5 (6)2(4) - 3(3)(8)2

Now your exponents: 5 (6)2(4) - 3(3)(8)2 = 5 (36)(4) - 3(3)(64)

Now Multiplication, Left to right: 5 (36)(4) - 3(3)(64) = 720 - 576

Now Addition and Subtraction, left to right: 720 - 576 = 144

Until you get used to it, feel free to do only one operation at a time, even if multiple instances appear in the same line, such as working with our parentheses in the example above:

5(4+2)2(1+3) - 3(6-3)(7+1)2 = 5(6)2(1+3) - 3(6-3)(7+1)2 =5(6)2(4) - 3(6-3)(7+1)2 and so on.


6 0
2 years ago
A box contains 19 large marbles and 10 small marbles. Each marble is either green or white. 8 of the large marbles are green, an
notsponge [240]

Answer:

25/29

Step-by-step explanation:

see the attached picture.

7 0
3 years ago
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