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STALIN [3.7K]
3 years ago
13

What is the answer to 4x-25+75

Mathematics
2 answers:
damaskus [11]3 years ago
4 0
The answer is 4x + 50.

Step by Step: -25+75= 50
You can’t add or subtract a variable with a number.
anygoal [31]3 years ago
4 0
If you factor the expression it equals to 4(x+25) but if you want the problem simplified it, the solution will be 4x+100
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X
Simora [160]

Using it's formula, it is found that the mean of the discrete random variable is given by:

B. 30.47.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

Hence, considering the table, the mean of the discrete distribution is:

E(X) = 23 x 0.16 + 25 x 0.09 + 26 x 0.18 + 31 x 0.12 + 34 x 0.24 + 38 x 0.21 = 30.47.

Hence option B is correct.

More can be learned about the mean of a discrete random variable at brainly.com/question/26660401

#SPJ1

4 0
2 years ago
Someone do this plz ill pay u when im rich
lbvjy [14]

Answer:

11307.19 rounded and exact is 11307.1875

Step-by-step explanation:

8 0
3 years ago
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4. Se contrata un bus para hacer una excursión, si se hubieran completado los asientos el costo del
Aloiza [94]

Answer:

???

Step-by-step explanation:

3 0
3 years ago
What is the area of this triangle?
iragen [17]

Answer:

9

Step-by-step explanation:

5 0
3 years ago
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(a) Describe a property specific to squares that is not a property specific to rectangles.
blondinia [14]

Answer:

Step-by-step explanation:

(a) A square has all the 4 sides being equal while a rectangle has four sides, with the opposite sides being parallel and the same length.

(b) The diagonals bisect the angles , the diagonals are perpendicular bisectors of each other

(c) A square has two pairs of parallel sides, four right angles, and all four sides are equal while the angles of a parallelogram are not right angles

(d) a rhombus can be a rectangle (if the angles of the rhombus are all 90 degrees), and a rectangle can be a rhombus (if the sides of the rectangle are all equal length). Opposite sides are parallel.

(e) a rhombus has two opposite internal angles of equal measure, a square has four right angles with equal measure

5 0
3 years ago
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