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3 years ago

If a person walks 2.4 miles in 1.5 hours how far can you walk in three hours

Mathematics

2 answers:

vfiekz [6]3 years ago

5 0

4.8 miles, because 1.5 goes into 3 twice, so you multiply 2.4 by 2 to get 4.8.

Hope this helps :)

Mars2501 [29]3 years ago

4 0

As three hours divided by 2 is 1.5 hours, we know that to find how far the person walks in hours, we simply have to double the distance the person walked in 1.5 hours.

2.4*2=4.8

The person walked 4.8 miles in three hours.

Does that make sense?

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In Pensacola, Florida, the average rainfall

Lerok [7]

the average rainfall, in inches, in December is 4.15 inch . Correct option C. 4.15 .

Step-by-step explanation:

Here we have , In Pensacola, Florida, the average rainfall in the month of July is 7.40 inches. By October, the average rainfall decreases by 35%. By December, the average rainfall drops another 0.66 inches. We need to find the average rainfall, in inches, in December .Let's find out:

In July , rainfall was 7.40 inches . By October, the average rainfall decreases by 35% i.e.

⇒ $7.4 - \frac{7.4(35)}{100}$

⇒ $7.4 - 0.074(35)$

⇒ $7.4 - 2.59$

⇒ $4.81$

By December, the average rainfall drops another 0.66 inches i.e.

⇒ $4.81-0.66$

⇒ $4.15$

Therefore, the average rainfall, in inches, in December is 4.15 inch . Correct option C. 4.15 .

5 0

3 years ago

Find the solution to the system

Tatiana [17]

Answer:

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

A college is planning to construct a rectangular parking lot on land bordered on one side by a highway. The plan is to use 440 f

NARA [144]

Let x represent side opposite to highway and y represent other two opposite sides as shown in the diagram.

The perimeter of the parking lot will be sum of 3 sides that is $x+y+y=x+2y$ .

We have been given that the plan is to use 440 feet of fencing to fence off the other three sides. This means that perimeter of 3 sides is 440.

$x+2y=440$

$x=440-2y$

We know that area of rectangle is length times width, so area of parking lot will be $A=x\cdot y$

Upon substituting value of x, we will get:

$A(y)=(440-2y)\cdot y$

$A(y)=440y-2y^2$

Now we will find the derivative of area function as:

$A'(y)=\frac{d}{dy}(440y)-\frac{d}{dy}(2y^2)$

$A'(y)=440-4y$

Let us find critical point by equating derivative to 0.

$440-4y=0$

$440=4y$

$\frac{440}{4}=\frac{4y}{4}$

$110=y$

Now we will substitute this value is equation $x=440-2y$ to solve for x as:

$x=440-2(110)$

$x=440-220=220$

Therefore, the dimensions of 220 feet by 110 feet will enclose the maximum area.

3 0

3 years ago

What is an equation of the line that passes through the points (8, 2) and (7, 1)?

Licemer1 [7]

Answer:

y = x - 6

Step-by-step explanation:

the slope-intercept form for any line is y = mx + b, where m is the slope and b is the y-intercept.

now, let's calculate the slope:

1-2/7-8= -1/-1 = 1

here is the equation we currently have solved: y = x + b

now we have to solve for the y-intercept. to do this, we substitute one of the given points into the equation, and solve for b.

let's use (8, 2). in this ordered pair, the 8 is the x, and the 2 is the y.

2= 8 +b

2 -8=b

b=-6

and now we have our final equation!

y = x - 6

hope this helped! please let me know if you are confused about anything i did

4 0

2 years ago

What is the value of x? Enter your answer in the box. x =

ivanzaharov [21]

The two angles shown ( 134 and X) make a straight line.

A straight line equals 180 degrees.

To find X subtract 134 from 180.

X = 180 - 134

x = 46

5 0

3 years ago