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Shkiper50 [21]
3 years ago
9

Please Help with this question...Will Mark as Brainliest....Please Explain your work!

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0
The sum of all of the probabilities in a given situation must be 1.00.

The sum of the probabilities of X ≥ 2 is 0.21+0.35+0.21+0.06+0.05.  Add up these probabilities.  Divide this sum by 1.00 to answer this question.  
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If DF = 9x -39 find EF
Klio2033 [76]

|DF| = |DE| + |EF|

|DF| = 9x -36

|DE| = 47

|EF| = 3x+10

Substitute:

9x - 39 = 47 + 3x + 10

9x - 39 = 3x + 57     |+39

9x = 3x + 96    |-3x

6x = 96    |:6

x = 16

Put the value of x to the equation |EF| = 3x + 10

|EF| = (3)(16) + 10 = 48 + 10 = 58

Answer: |EF| = 58

7 0
3 years ago
Read 2 more answers
Paige earns $15.50 per hour and works 20 hours each week. She gets a 10% raise and decides to save 20% of her paycheck for a new
Sindrei [870]

Answer: b

Step-by-step explanation:

7 0
2 years ago
If you reflect (–2, –8) across both axes, which quadrant will it be in?
Lesechka [4]
The quadrant that it will be in is one
6 0
3 years ago
Read 2 more answers
The function y = x2 is transformed to y = (x + 4)2. Which statement is true about the transformed function? It is an even functi
xxMikexx [17]
Even function: f(-x) = f(x). If you replace x by -x you should find the same function.
Odd function: f(-x) = -f(x). If you replace x by -x you  find the same function with opposite sign;
Is f(-x) = f(x)?
f(x) = (x+4)² =  x² + 8x +16
f(-x) = (-x+4)² = x² - 8x + 16, then it's not an even function

Is f(-x) = -f(x)?
f(-x) = (-x+4)² = x² + 8x + 16 , then it's not an odd function
It is neither an even nor an odd function
7 0
3 years ago
Solve this equation<br>5(-7x-3)- 8x=-230​
Brut [27]

Simplifying

5(7x + -3) = 230

Reorder the terms:

5(-3 + 7x) = 230

(-3 * 5 + 7x * 5) = 230

(-15 + 35x) = 230

Solving

-15 + 35x = 230

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '15' to each side of the equation.

-15 + 15 + 35x = 230 + 15

Combine like terms: -15 + 15 = 0

0 + 35x = 230 + 15

35x = 230 + 15

Combine like terms: 230 + 15 = 245

35x = 245

Divide each side by '35'.

x = 7

Simplifying

x = 7

5 0
3 years ago
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