Jay traveled from Miami to Jacksonville, a distance of 320 miles. He left Miami at 8:00am, stopped for lunch for 30 minutes, and stopped for two 15 minute breaks at rest areas. He arrived in Jacksonville at 2:15pm. What was his average rate of speed during his travel time? Please explain the steps to get the answer. Thanks!

Answers

Answer 1

Answer: To find the “Average Rate of Speed", we know we need the Total Distance and the Total Time. The Total Distance is 320 miles and the Total Time is 14:15 - 8:00 = 6:15 hours = 6.25 hours .So the Average Rate = 320 miles/ 6.25 hours = 51.20 mph.

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Johnathon can jog 3 2/5 miles in 7/8 hour. Find his average speed in miles per hour

Answers

We have to calculate the average speed if we know the distance and time that Johnatan can jog. The distanece: d = 3 2/5 miles = 3.4 miles. t = 7/8 hour = 0.875 h. Then we will use the formula for the average speed ( velocity ): v = d / t. v = 3.4 m / 0.875 h = 3.866 mph. Answer: The average speed is 3.866 mph.

3w + 4c - 9

use w = -5 and c = -9

please show work also!<2

Answers

Answer:

-60

Step-by-step explanation:

3(-5)+4(-9)-9

-15+-36-9

= -60

Just fill in and solve. Hope this helps ;)

Answer:

-60

Step-by-step explanation:

3(-5)+4(-9)-9= -60

Which is equivalent to (4xy – 3z)2, and what type of special product is it?16x2y2 + 9z2, the difference of squares
16x2y2 + 9z2, a perfect square trinomial
16x2y2 – 24xyz + 9z2, the difference of squares
16x2y2 – 24xyz + 9z2, a perfect square trinomial

Answers

Answer:

$16x^2y^2-24xyz +9z^2$

Step-by-step explanation:

$(4xy - 3z)^2$

Given expression has exponent 2, so we multiply it twice

$(4xy - 3z)(4xy-3z)$

Apply FOIL method to multiply the parenthesis

multiply 4xy inside the second parenthesis

and multiply -3z inside the second parenthesis

$4xy(4xy-3z)=16x^2y^2-12xyz$

$-3z(4xy-3z)=-12xyz+9z^2$

$16x^2y^2-12xyz-12xyz+9z^2$

Combine like terms

$16x^2y^2-24xyz +9z^2$

Hello,

Answer D
16x²y²-24xyz+9z² a perfect square trinomial which
le square of the difference of 3z from 4xy.

PLS HELP WITH 1b!!!!!

Answers

Answer:

Yes, they do because both of the morning graphs had a better range in grades than the afternoon students.

Step-by-step explanation:

Answer:

I can see the pdf

Step-by-step explanation:

Evaluate [3(5 + 6) + 2] ÷ 7

Answers

The answer to the problem is 5

In 1985, Rick Hansen, the Man in Motion, wheeledaround the world in his wheelchair in
order to help people understand the importance of a
world without barriers for people with
disabilities. Starting on March 21, 1985, and
finishing on May 22, 1987, he went through
34 countries and travelled a total of 40 075 km. On
average, how many kilometres did he
travel on each day of his world tour? (Neither 1986
or 1987 was a leap year).