MATHEMATICS HIGH SCHOOL

I need help with these please not number 3

Answers

Answer 1

Answer:

Answer: A) -4.6

b) 4.6 spaces left from the original spot

c) the totaal distance travled was 18.2 cm

Step-by-step explanation:

for a you add the amounts together, if you go left that's negative so you use subtraction

for b you count the amount you have from zero

for c you add all the numbers together and forget the signs

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An airplane flies six hundred miles to the south; then, after landing and refueling, it flies due north for three hundred miles. What is the airplane's displacement? (Remember, displacement is a vector, so direction needs to be indicated in your answer).

Answers

Displacement =

   (distance between the start-point and the end-point)
in the direction of
   (direction from the start-point to the end-point).

For the entire story, the displacement is

   300 miles south .

If it's going 600 miles S, and 300 miles N, the displacement is 300 miles S

What is 2/5 x 15 and what is 7 x 3/7

Answers

The first one 2/6 x 15 is =6
The Second one 7 x 3/7 =3

Anybody pls help me. Plus, working. Thank you

Answers

I hope my answer can help you.

What is the slope of a line that is perpendicular to the line y=-1/3x-6OA. 3
OB. 1/3
OC. -1/3
O D. 3

Answers

Answer:

Step-by-step explanation:

3 is the complete oposite of -1/3 in terms of slopes, therefore they are perpendicular to each other.

Jean walked 1 mile to her friends house, and then bicycled for 2 hours at m miles per hour. Write an expression for the total length of her trip.

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Jean walked 1 mile to her friends house, and then bicycled for 2 hours at m miles per hour. Write an expression for the total length of her trip.=(1+2m)miles

You drive 1400 miles in 3.5 days. You drive an equal number of miles each day. How many miles do you drive each day.

Answers

Answer:

400 Miles Per Day

Step-by-step explanation:

If you drive an equal amount of miles each day, you know the total miles driven will be the amount of miles per day. Therefore $(1400 Miles)/(3.5 Days) = 400 (Miles)/(Day)$

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