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Phantasy [73]
2 years ago
8

Verify that whether -2 and 3 are zeroes of the polynomial x^2-x=6PLEASE HELP​

Mathematics
1 answer:
Anna35 [415]2 years ago
4 0

Answer:

Both give remainder 0 for the polynomial

Step-by-step explanation:

p(-2) = (-2)² - (-2) - 6

= 6 - 6 = 0

p(3) = (3)² - 3 - 6

= 9 - 9 = 0

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How many subsets does A​ have?
finlep [7]
A set with n elements has 2^n subsets, including the empty set and the complete set.

Your set has 2^6 = 64 subsets.
7 0
3 years ago
There are 5 red marbles, 4 blue marble, 2 green marbles, and 1 yellow marble in the bag. What is the probability of pulling out
kykrilka [37]

Answer:

Red : 5/12

Blue : 1/3

Green: 1/6

Yellow : 1/12

Step-by-step explanation:

5 red marbles + 4 blue marbles + 2 green marbles + 1 yellow marble = 12 total marbles

5 red marbles / 12 total marbles = 5/12

4 blue marbles / 12 total marbles = 4/12 = 1/3

2 green marbles / 12 total marbles = 2/12 = 1/6

1 yellow  marbles / 12 total marbles = 1/12

3 0
3 years ago
Use the Law of Cosines to find the missing angle.<br><br> Find m∠A to the nearest tenth of a degree.
Savatey [412]

Firstly, we can look at our givens,

a = 17

b = 22

c = 30

And we are looking for m∠A

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A = cos^{-1} (\frac{-a^2+b^2+c^2}{2bc})

Now we can substitute in our given variables.

A= cos^{-1} (\frac{-(17^2)+27^2+30^2}{2(27)(30)} )

Then we can plug this into our calculator which will give us

34.19185257 degrees

Now we just have to round to the nearest tenth

This means that the answer is 34.2 degrees

8 0
3 years ago
Read 2 more answers
PLEASE HELP ME ILL GIVE YOU POINTS
zepelin [54]

Answer:

Step-by-step explanation:

its 6

5 0
3 years ago
Read 2 more answers
In a certain Algebra 2 class of 20 students, 12 of them play basketball and 13 of them play baseball. There are 3 students who p
boyakko [2]

Answer:

85%

Step-by-step explanation:

1.  Divide 100 by the maximum amount of students to get the percent value for every student (5% per student)

2. Subtract the number of students you know plays neither sport, leaving you with 17 students.

3. Multiply the remaining students by the percent percent value. 17 * 5 = 85%

(This takes into account that some students are playing both sports.)

6 0
3 years ago
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