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Marat540 [252]
1 year ago
15

1. What is the degree of 3x³y²z + 2xy³ - 9y + 5? A. 3 B. 4 C. 5 D. 6

Mathematics
2 answers:
devlian [24]1 year ago
7 0

Answer:

--------------HeyA BenjamiN-----------------

Explanation :

  • All you need to do is count up the powers of each term and then sum it , the highest power is considered to be the degree.

SolvinG :

  • 3x³y²z = 6
  • 2xy³ = 4
  • 9y = 1

- Our final answer is 6 .

---------------HappY LearninG <3 -------------

abruzzese [7]1 year ago
3 0

Answer:

d. 6

Step by step explanation:

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Answer:

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Step-by-step explanation:

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( -16 + 12 ) ÷ ( -4 + 2 ) = What is the Answer<br>​
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The manager of a music store has kept records of
Marysya12 [62]

Answer:

(a) P(x\le 3) = 0.75

(b) P(x\le 3) = 0.75

<em>(b) is the same as (a)</em>

(c) P(x \ge 5) = 0.10

(d) P(x = 1\ or\ 2) = 0.55

(e) P(x > 2) = 0.45

Step-by-step explanation:

Given

\begin{array}{ccccccc}{CDs} & {1} & {2} & {3} & {4} & {5} & {6\ or\ more}\ \\ {Prob} & {0.30} & {0.25} & {0.20} & {0.15} & {0.05} & {0.05}\ \ \end{array}

Solving (a): Probability of 3 or fewer CDs

Here, we consider:

\begin{array}{cccc}{CDs} & {1} & {2} & {3} \ \\ {Prob} & {0.30} & {0.25} & {0.20} \ \ \end{array}

This probability is calculated as:

P(x\le 3) = P(1) + P(2) + P(3)

This gives:

P(x\le 3) = 0.30 + 0.25 + 0.20

P(x\le 3) = 0.75

Solving (b): Probability of at most 3 CDs

Here, we consider:

\begin{array}{cccc}{CDs} & {1} & {2} & {3} \ \\ {Prob} & {0.30} & {0.25} & {0.20} \ \ \end{array}

This probability is calculated as:

P(x\le 3) = P(1) + P(2) + P(3)

This gives:

P(x\le 3) = 0.30 + 0.25 + 0.20

P(x\le 3) = 0.75

<em>(b) is the same as (a)</em>

<em />

Solving (c): Probability of 5 or more CDs

Here, we consider:

\begin{array}{ccc}{CDs} & {5} & {6\ or\ more}\ \\ {Prob} & {0.05} & {0.05}\ \ \end{array}

This probability is calculated as:

P(x \ge 5) = P(5) + P(6\ or\ more)

This gives:

P(x\ge 5) = 0.05 + 0.05

P(x \ge 5) = 0.10

Solving (d): Probability of 1 or 2 CDs

Here, we consider:

\begin{array}{ccc}{CDs} & {1} & {2} \ \\ {Prob} & {0.30} & {0.25} \ \ \end{array}

This probability is calculated as:

P(x = 1\ or\ 2) = P(1) + P(2)

This gives:

P(x = 1\ or\ 2) = 0.30 + 0.25

P(x = 1\ or\ 2) = 0.55

Solving (e): Probability of more than 2 CDs

Here, we consider:

\begin{array}{ccccc}{CDs} & {3} & {4} & {5} & {6\ or\ more}\ \\ {Prob} & {0.20} & {0.15} & {0.05} & {0.05}\ \ \end{array}

This probability is calculated as:

P(x > 2) = P(3) + P(4) + P(5) + P(6\ or\ more)

This gives:

P(x > 2) = 0.20+ 0.15 + 0.05 + 0.05

P(x > 2) = 0.45

3 0
3 years ago
Lilihoops1010 is asking for help! Go help them!
-BARSIC- [3]

Answer:

Okay! I'll go help! (◠‿◕)

7 0
3 years ago
Solve by completing the square:<br> x2 + 10x = 75
GuDViN [60]

Answer:

x= -15, 5

Step-by-step explanation:

x²+10x-75=0

x²+15x-5x-75=0

(x+15)(x+5)=0

x= -15 and x=5

6 0
3 years ago
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