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alexira [117]
3 years ago
6

—2+(-5)= What is the answer

Mathematics
2 answers:
Lynna [10]3 years ago
8 0

Answer:

-7

Step-by-step explanation:

DiKsa [7]3 years ago
4 0

Answer:

-7

Step-by-step explanation:

-2 +(-5) is basically -2 - 5

Don't let it confuse you.

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In a large accounting firm, the proportion of accountants with MBA degrees and at least five years of professional experience is
Rasek [7]

Answer:

The probability that this accountant has an MBA degree or at least five years of professional experience, but not both is 0.3

Step-by-step explanation:

From the given study,

Let A be the event that the accountant has an MBA degree

Let B be the event that the accountant has at least 5 years of professional experience.

P(A) = 0.35

P(A)^C = 1 - P(A)

P(A)^C = 1 - 0.35

P(A)^C = 0.65

P(B)^C = 0.45

P(B) = 1 - P(B)^C

P(B) = 1 - 0.45

P(B) = 0.55

P(A ∩ B ) = 0.75 P(A^C \ \cap  \  B^C)

P(A ∩ B ) = 0.75 [ 1 - P(A ∪ B) ]  because  P(A^C \ \cap  \  B^C)  = P(A \cup B)^C

SO;

P(A ∩ B ) = 0.75 [ 1 - P(A) - P(B) + P(A ∩ B) ]

P(A ∩ B ) = 0.75 [ 1 - 0.35 - 0.55 + P(A ∩ B) ]

P(A ∩ B ) - 0.75  P(A ∩ B) = 0.75 [1 - 0.35 -0.55 ]

0.25  P(A ∩ B) = 0.075

P(A ∩ B) = \dfrac{0.075}{0.25}

P(A ∩ B) = 0.3

The probability that this accountant has an MBA degree or at least five years of professional experience, but not both is: P(A ∪ B ) - P(A ∩ B)

= P(A) + P(B) - 2P( A ∩ B)

= (0.35 + 0.55) - 2(0.3)

= 0.9 - 0.6

= 0.3

∴

The probability that this accountant has an MBA degree or at least five years of professional experience, but not both is 0.3

3 0
3 years ago
For the following geometric sequence find the recursive formula and the 6th term in the sequence. {12, 8, 4, ...}
elena-14-01-66 [18.8K]
It's the arithmetic sequence not geometric sequence.


\left\{\begin{array}{ccc}a_1=12\\a_n=a_{n-1}-4\end{array}\right
6 0
3 years ago
Mary picks 15 flowers from her garden. If 3 out of 5 flowers are yellow how many yellow flowers does Mary pick
Artemon [7]
3*3::5*3So, she picked 9 yellow flowers. 
4 0
3 years ago
What is the length of the unknown side of the right triangle?
a_sh-v [17]

Answer:

7 O ⋅ ( 24 h O ) ⋅ ( 25 O ) ⋅ 31 . X ⋅ 7 = 7 X 24 = 7 X 7 O ⋅ ( 24 h O ) ⋅ ( 25 O ) ⋅ 31 = 130200 O 3 h

3 0
3 years ago
Find the volume of the prism.<br><br><br><br> The volume is <br> cubic meters.
Lana71 [14]

Answer:

12.5m³

Step-by-step explanation:

V = w × h × l = 1.43 × 3.13 × 2.8 = 12.5m³

Have a good day

6 0
3 years ago
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