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Sliva [168]
3 years ago
11

Is 4.47 a rational number

Mathematics
1 answer:
bonufazy [111]3 years ago
6 0
I think 4.47 is a a rational number
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(2x-1+7x²)+(3+7x -3x²)
ANTONII [103]

Answer:

4x^{2} +9x+2

Step-by-step explanation:

You combine the x^{2} terms, the x terms and the constants (the terms without variable/letters)

5 0
2 years ago
Convert 17/12 to a terminating or a repeatig decimal
Colt1911 [192]
17 divided by 12 =  1 5/12 = 0.416....   The 6 is recurring.
7 0
3 years ago
Solve this question asap for brainliest!!!​
Savatey [412]

Step-by-step explanation:

4 sin (0) - 4

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π

8 0
3 years ago
Mark the statement either true (in all cases) or false (for at least one example). If false, construct a specific example to sho
LUCKY_DIMON [66]

Answer with Step-by-step explanation:

We are given that v_1,v_2,..,v_4 are in R^4 and v_1,v_2,v_3 is linearly dependent then {v_1,v_2,v_3,v_4}[/tex] is also linearly dependent.

We have to find that given statement is true or false.

Dependent vectors:Dependent vectors are those vectors in which atleast one vector is  a linear combination of other given vectors.

Or If we have vectors x_1,x_2,....x_n

Then their linear combination

a_1x_1+a_2x_2+.....+a_nx_n=0

There exist at least one scalar which is not zero.

If v_1,v_2,v_3 are dependent vectors then

a_1v_1+a_2v_2+a_3v_3=0 for scalars a_1,a_2,a_3

Then , by definition of dependent  vectors

There exist a vector which is not equal to zero

If vector v_3 is a linear combination of v_1\;and \;v_2, So at least one of vectors in the set is a linear combination of others and the set is linearly dependent.

Hence, by definition of dependent vectors

{v_1,v_2,v_3,v_4} is linearly dependent.

Option B is true.

8 0
3 years ago
the mean of 11 numbers is 7. one of the numbers, 13, is deleted. what is the mean of the remaining 10 numbers?
Alex Ar [27]
The mean is the average of the numbers, so if x = all 11 numbers added together, then you have the equation:

x / 11 = 7, so x = 77 (this is all of the numbers added together)

if the number 13 is removed, the equation becomes:

(77 - 13) / 10 = M    (M is the new mean)

so the new mean is 6.4


7 0
3 years ago
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