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Gekata [30.6K]
3 years ago
6

If parallelogram ABCD was reflected over the y-axis, reflected over the x-axis, and rotated 180°, where would point A' lie?

Mathematics
1 answer:
LuckyWell [14K]3 years ago
6 0
D (-4 , -1)
relflected over x-axis= (4 , 1)
180 degrees= (-4 , -1)
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An electronics store sells a large flat screen television for $1,699.Last month,the store sold 8 of these television sets. About
lorasvet [3.4K]
1,699*8 = 13,592


If they it’s by two then 27,184
(1699*2=3398 * 8 = 27184
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6 0
2 years ago
What is the probability of picking a blue marble and rolling an odd number?
Paladinen [302]

Answer:

3/6 chance.

Step-by-step explanation:

To roll an odd number on a six sided dice (Guessing it's six sided) you would have to roll either a 1, 3, or 5.  That would it 3 choices.  You get the six by taking the amount (like the amount of sides on the dice).  You would then have a 3/6 chance of rolling an odd number.

6 0
2 years ago
Thirty students in the fifth grade class listed their hair and eye colors in the table below: Brown hair Blonde hair Total Green
Mars2501 [29]

Answer:

No, the events "brown hair" and "brown eyes" are not  independent.

Step-by-step explanation:

The table that represents the  hair and eye colors of thirty students of the fifth grade are given in table as:

                         Brown hair          Blonde hair              Total

Green eyes           9                       6                               15

Brown eyes          10                       5                              15

Total                     19                        11                             30

No, the events  "brown hair" and "brown eyes" are not independent.

Since, two events A and B are said to be independent if:

P(A∩B)=P(A)×P(B)

where P denotes the probability of an event.

Here we have:

A= students having brown hair.

B= students having brown eyes.

A∩B= students having both brown hair and brown eyes.

Now,

P(A)=19/30  (ratio of addition of first column to the total entries)

P(B)=15/30  ( ratio of addition of second row to the total entries)

Also,

P(A∩B)=10/30

Now as:

P(A∩B) ≠ P(A)×P(B)

Hence, the two events are not independent.

8 0
2 years ago
A teacher surveyed her class about their online accounts and wanted to know if they had “Fb” accounts or if they had “Snap ” acc
avanturin [10]

Answer:

a) 1/5

Step-by-step explanation:

There are 25 students total in the class.

If you look at the Venn Diagram, you can see that only 5 people have only "Fb" accounts.

Therefore, the probability that the person has a “Fb” account but not a “Snap” account is 5/25 or 1/5.

8 0
2 years ago
X f(x)
fgiga [73]
B) f(x) = 3

It’s because all the y values are 3
5 0
3 years ago
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