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Savatey [412]
2 years ago
12

What’s the area? i never understood how to do these

Mathematics
1 answer:
storchak [24]2 years ago
6 0
Multiply so 9 times 5=45
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Timothy has $1111 and Mary has $777. How much money does Timothy need to give Mary, so that they would have the same amount of m
ZanzabumX [31]

Answer:

167

We do 1111+777 for the total and that is 1888

1888/2=944

then 1111-944=167; then they will have equal amounts!!

LUV YA!!

3 0
3 years ago
Identify which statement about the mean of a discrete random variable is not true or state that they are all true.Choose the cor
pashok25 [27]

Answer:

A, C are true .  B is not true.

Step-by-step explanation:

Mean of a discrete random variable can be interpreted as the average outcome if the experiment is repeated many times. Expected value or average of the distribution is analogous to mean of the distribution.

The mean can be found using summation from nothing to nothing x times Upper P (x) , i.e ∑x•P(x).

Example : If two outcomes 100 & 50 occur with probabilities 0.5 each. Expected value (Average) (Mean) : ∑x•P(x) = (0.5)(100) + (0.5)(50) = 50 + 25 = 75

The mean may not be a possible value of the random variable.

Example : Mean of possible no.s on a die = ( 1 + 2 + 3 + 4 + 5 + 6 ) / 6 = 21/6 = 3.5, which is not a possible value of the random variable 'no. on a die'

4 0
3 years ago
Please Help Quick!!!
Anvisha [2.4K]

Answer:0.16 and 6%


Step-by-step explanation:


3 0
3 years ago
1) Find the mean.<br> 14, 2, 12, 11,2, 14, 3, 2, 12<br><br> A) 2<br> B) 8<br> C) 11<br> D)
artcher [175]

Answer:

8

Step-by-step explanation:

Add all the numbers and then divide them by how many numbers there are.

(14 + 2 + 12 + 11 + 2 + 14 + 3 + 2 + 12) = 72

72/9 = 8

6 0
3 years ago
2 more to go!!!! HELP ME!!!!!
Musya8 [376]

To divide complex numbers, you multiply by the conjugate. The conjugate is when you change the sign between the two terms in the denominator. Therefore, the conjugate in this one is (3+i)


\frac{13-i}{3-i} * \frac{3+i}{3+i} ← Then, you foil these guys:


\frac{(13-i)(3+i)}{(3-i)(3+i)} = \frac{40+10i}{10} = 4 + i or C

3 0
3 years ago
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