Question

A jet has a speed of 680 miles per hour in still air. If the plane flies directly north and encounters a 75 mile-per-hour wind blowing directly east, which is closest to the resultant speed of the airplane? (1 point)
605.0 mph
675.9 mph
684.1 mph
755.0 mph

Answer 1

While the air is blowing, do you think that this will change the speed traveling north?

Answer 2

I don't think so.

Answer 3

I agree. :)

Answer 4

So what should the answer be? C?

Answer 5

That's what I get. :)

Answer 6

Okay. Can you help me with another? Like 3 more?

Answer 7

I can try.

Answer 8

OKAY!

Answer 9

Mrs. Conley ordered cartons of tissue, window cleaner, and paper towels for 3 school campuses. She listed the number of cartons needed per campus in matrix M and the cost per carton in matrix N.

Answer 10

When multiplying matrices, the product will always be of the shape having the same number of rows of the the first matrix and the same number of columns as the second matrix. Does this help you narrow it down?

Answer 11

So C?

Answer 12

Right! :)

Answer 13

Okay. Can you help me with another?

Answer 14

@JoannaBlackwelder

Answer 15

Here's the last one :D. I don't want to hold you up anymore. Sorry

Answer 16

Are you there?

Answer 17

Yeah, I was just figuring this one out.

Answer 18

Oh I'm sorry. Take your time, mon ami

Answer 19

Vector components means <Fcos(theta),Fsin(theta)>

Answer 20

Are you familiar with the formula?

Answer 21

Not at all. This whole unit was confusing as (blank).

Answer 22

Oh no...I'll try to explain.

Answer 23

Please dumb it down for me

Answer 24

Do you understand how I got this so far?

Answer 25

Erm. No. :/

Answer 26

I drew a line that followed the vertical until I got to the horizontal line that the vector stopped on.

Answer 27

OHHHH. I see