2 years ago

1. What is the sum of the two vectors (-1,-4) and (3,5)?

1 answer:

5 0

1 (2,1)

2 (7,1)

3 Simplified (6,9)

The others I am not sure about. try splitting up your questions so that more people can answer them.

You might be interested in

Studentka2010 [4]

Answer:

55°

Step-by-step explanation:

$m\angle C = \frac{1}{2} (184 \degree - 74 \degree) \\ \\ \implies \: m\angle C = \frac{1}{2} (110 \degree) \\ \\ \implies \: m\angle C = 55 \degree$

8 0

2 years ago

daser333 [38]

Answer:

The answer is 3-n2-5

5 0

3 years ago

juin [17]

Answer:

Standard deviation 46.3

Step-by-step explanation:

A 28% of the distribution is equivalent to a z score of -0.5828, you can use a z table to find that.

Z score is calculated as follows:

$z = \frac{x-\mu}{\sigma}$

x is the number being evaluated

μ is the mean

σ is the standard deviation

And it is used to calculate how many standard deviations you are from the mean of the sample.

Replacing with the known information you can calculate the standard deviation:

$\sigma=\frac{x-\mu}{z} =\frac{76-103}{-0.5828}= 46.3$

4 0

3 years ago

Natali5045456 [20]

Hi, where are the graphs?

8 0

2 years ago

kvv77 [185]

Answer:

41/100

Step-by-step explanation:

8 0

2 years ago