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AlexFokin [52]
2 years ago
6

Evaluate the following.​

Mathematics
2 answers:
lisov135 [29]2 years ago
7 0

Answer:

a. 7

b. 0

c. 4

d. 15

Step-by-step explanation:

the negative numbers in the absolute value get changed to positive.

Tju [1.3M]2 years ago
7 0

Step-by-step explanation:

1) 3 + 4 = 7

2) 6 - 6 = 0

3) 1 + 3 = 4

4) 6 + 9 = 15

5) 10 - 14 + 2 = -2

6) 2 + 3 - 5 = 0

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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
Last year's sales were $13,500. Sales have increased 47% this year. How much is the increase?
IRISSAK [1]
47% of 13,500 is 6,345. So this years sales would be $19,845.
8 0
3 years ago
Help! Will give brainiest<br> Which models show the problem 4/6 ÷ 2/6 = 2? Check all that apply.
lions [1.4K]

Answer:

1st, 2nd, and 3rd models are correct

Step-by-step explanation:

4 0
3 years ago
Can somebody please help in this question?
Phoenix [80]

Answer:

Assume the pair of dice are fair; if not, all bets are off!

Color one die green (G) and the other one red (R). There are 36 possibilities in throwing one green and one red die, eg (G1, R1), (G1, R2), etc; (G2, R1), (G2, R2), etc; etc; (G6, R1), (G6, R2), etc.

In the set of possible numbers from throwing a die, there are only 3 possibilities that sum to to 4: (G1, R3), (G2, R2), (G3, R1).

So the answer is 3/36, or one-twelfth.

5 0
3 years ago
Read 2 more answers
Ms. Burger has graded 45 tests. This represents 60% of her 3 math classes. How many math students does Ms. Burger teach?
Basile [38]
To find answers like this, you have to divide the percentage into the number given so:
45 / .60 = 75
She teaches 75 math students
5 0
3 years ago
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