Marneshia walked three over eight of a mile in three over five of an hour. What equation can be used to calculate her unit rate in miles per hour?

Answers

Answer 1

Answer: 3/8 mile in 3/5 hour
$( (3)/(8) )/( (3)/(5) )$
we want to find miles per hour or m/1h
convert 3/5 to 1 by multiplying it by 5/3
keep the fraction the same by multiply ing the whole thing by
$( (5)/(3) )/( (5)/(3) )$ to get

$( (15)/(24) )/( (15)/(15) )$ =
$( (5)/(8) )/( 1)$ =5/8 miles per hour

Answer 2

Answer:

Answer:

3/8 mile in 3/5 hour

Step-by-step explanation:

I am taking the test right now

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Which function has the greatest rate of change?A.
6x – 7y = 21

B.
y = 2x – 2

Answers

Rate of change is the slope.

6x - 7y = 21

Convert to slope-intercept form(y = mx + b):

Subtract 6x to both sides:

-7y = -6x + 21

Divide -7 to both sides:

y = 6/7x - 3

Now it's in the form of y = mx + b, where 'm' is the slope. So the slope here is 6/7.

y = 2x - 2

This is already in slope-intercept form, so the slope here is 2.

For function C, take any two points and plug them into the slope equation.

m = y2-y1/x2-x1

(2, 7)
(3, 1)

m = (1 - 7)/(3 - 2)

m = -6/1

m = -6

So the slope of function C is -6.

(1, 2) and (-1, -4)

m = y2-y1/x2-x1

m = (-4 - 2)(/(-1 - 1)

m = -6/-2

m = 3

So function D has the highest rate of change.

*** Function C and D information based on the comments below ***

What is 2/5 simplified?

Answers

2/5 van not be simiplified because 2 and 5 dont have a common factor lower than them

Alden fills his back pack with 0.45 kg of apples,0.18 kg of cheese, and a water bottle that weighs 1.4 kg. How heavy are the contents?

Answers

.45+.18+1.4=2.03 kilograms.

2.03 kg because if you add all it together.
~JZ

12/4+(5 power of 2 -6)

Answers

12/4 is 3+5 to the power of -4
5 to the negative 4 power is .0005 plus 3 is 3.0005 I'm sorry if its wrong but that is my answer if I'm reading it right

SOS please help me! The area of China is 5,956,960 sqkm. In July China's population was estimated at a,313,973,713 people. What is the population density iof China in people per sq kilometerAnd explain how you got it

Answers

Here's a tool for your math toolbox:

   Wherever you see the word "per", it wants division.
   You should begin with a fraction.

   "People per square kilometer"
means
   (number of people) / (number of square kilometers) .

The problem just gave you both of those numbers. So it's time to
polish up your pencil or your calculator and get to work dividing.

Notice that you made a mistake copying the estimated population
of China, and then, even worse than that, you didn't proofread your
question and correct the copying mistake.

(Population) / (area) =

(1,313,973,713 people) / (5,956,960 sq km) =

   220.6 people per square km.

9 steps of a line segmentwhat are the nine steps of a line segment

Answers

Place the compass at one end of line segment.
Adjust the compass to slightly longer than half the line segment length.
Draw arcs above and below the line.
Keeping the same compass width, draw arcs from other end of line.
Place ruler where the arcs cross, and draw the line segment.

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