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Lerok [7]
3 years ago
14

The circle is centered at the point (-3,4) and has a radius of length 3. What is its equation?

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0
No. A is the correct answer because (x-h)^2+(y-k)^2=r^2
solong [7]3 years ago
3 0
C is the right answer
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Let T : V → W be a linear transformation from vector space V into vector space W.
wel

Explanation:

Since {v1,...,vp} is linearly dependent, there exist scalars a1,...,ap, with not all of them being 0 such that a1v1+a2v2+...+apvp = 0. Using the linearity of T we have that

a1*T(v1)+a2*T(v1) + ... + ap*T(vp) = T(a1v19+T(a2v2)+...+T(avp) = T(a1v1+a2v2+...+apvp) = T(0) = 0.

Since at least one ai is different from 0, we obtain a non trivial linear combination that eliminates T(v1) , ..., T(vp). That proves that {T(v1) , ..., T(vp)} is a linearly dependent set of W.

7 0
3 years ago
If each value of the data of the poplation function is doubled which of the following is not correct?
Anna35 [415]

Answer:

The variance is doubled; C

Step-by-step explanation:

Here, we want to select what will be wrong if every number in the dataset is doubled

A. This is correct

The mean is the average of the numbers which is calculated by dividing the sum of the numbers by the count of the numbers

By doubling the numbers, we have simply doubled the sum while the count is same

So what we have as the result of the division will be 2 times what we had initially making the mean doubled

B. The mode is doubled

Yes, this is correct

The mode is the highest in frequency

Doubling all numbers will not double their frequencies but their values. So the number that was the mode in the previous case will be the same but now doubled

D. The median is doubled

This is correct

The median deals with the middle number.

Since all numbers are doubled in the present case, the median to is also doubled along side as the numbers are now twice what they were evenly

C. This is wrong

The variance has to do with the spread of data

We are actually subtracting values

Since we are doubling across board, the difference between the numbers is the same as this, the variance cannot change

We can look at this from the angle that all others are measures of central tendency looking at having a central figure while the variance is a measure of spread.

3 0
2 years ago
Explain the mistake the list of factors for 42 below list all correct factors 1,2,4,6,7,12,24,42
Agata [3.3K]
4 is not a factor because it does not multiply with anything to make forty except 10.5 but it can't be a decimal
3 0
3 years ago
Charlie runs at a speed of 3 yards per second. About how many miles per hour does Charlie run
enyata [817]
To find the answer, you first must find how many yards Charlie can run in a minute. Since there are 60 seconds in a minute, you multiply 3 times 60, which is 180. Then you must multiply this number by 60 again, because there are 60 minutes in an hour. This equals 10,800, your answer.


Charlie can run 10,800 yards in an hour.
7 0
3 years ago
Read 2 more answers
Factor f(x) = 22 - 5x + 6 using any method.<br> -<br> please helppp
ankoles [38]

Answer:

(x-2)(x-3)

Step-by-step explanation:

x^2-5x+6

x^2-3x-2x+6

x(x-3)-2(x-3)

(x-2)(x-3)

6 0
2 years ago
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