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Mice21 [21]
3 years ago
10

I have chosen 1 playing cards .what is the probability of being red or red ace?

Mathematics
1 answer:
QveST [7]3 years ago
7 0

Answer:50% red 4/42 ace

Step-by-step explanation:

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Which of the following is a difference of cubes? x^6 + 27y^9 3x^9 - 64y^3 27x^{15} - 9y^3 125x^{21} - 64y^3
astraxan [27]

Answer:

  • D) 125x²¹- 64y³  

Step-by-step explanation:

  • A) x⁶ + 27y⁹ = (x²)³ + (3y³)³  - sum of cubes
  • B) 3x⁹ - 64y³ - the first term is not a cube
  • C) 27x¹⁵ - 9y³ - the second term is not a cube
  • D) 125x²¹- 64y³ = (5x⁷)³ - (4y)³ - difference of cubes

Correct option is the last one

7 0
3 years ago
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What does the y mean in y=mx+c
zubka84 [21]
<span>y=mx+c
General equation

m is the slope
c is the intercept

So, when x axis is zero, the value in y axis will be equal to c.


</span>
6 0
2 years ago
If James make $7 per hour and Priya makes 20% more than James and Samantha makes 5% less than Priya how much does Samantha make
mixas84 [53]
Samantha makes $7.98 per hour
4 0
2 years ago
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The issue of corporate tax reform has been cause for much debate in the United States. Among those in the legislature, 27% are R
Ilia_Sergeevich [38]

Answer:

The probability Democrat is selected given that this member favors some type of corporate tax reform is 0.6309.

Step-by-step explanation:

Let us suppose that,

R = Republicans

D = Democrats

I = Independents.

X = a member favors some type of corporate tax reform.

The information provided is:

P (R) = 0.27

P (D) = 0.56

P (I) = 0.17

P (X|R) = 0.34

P (X|D) = 0.41

P (X|I) = 0.25.

Compute the probability that a randomly selected member favors some type of corporate tax reform as follows:

P(X)=P(X|R)P(R)+P(X|D)P(D)+P(X|I)P(I)\\= (0.34\times0.27)+(0.41\times0.56)+(0.25\times0.17)\\=0.3639

The probability that a randomly selected member favors some type of corporate tax reform is P (X) = 0.3639.

Compute the probability Democrat is selected given that this member favors some type of corporate tax reform as follows:

P(D|X)=\frac{P(X|D)P(D)}{P(X)} =\frac{0.41\times0.56}{0.3639}=0.6309

Thus, the probability Democrat is selected given that this member favors some type of corporate tax reform is 0.6309.

5 0
3 years ago
Use two unit multipliers to convert 1250 square inches to square feet
abruzzese [7]
Divde it by 12^2 or 144
1250/144=8.605555555555ft^2
5 0
2 years ago
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