A man traveled 108 km at an average speed of 72 km/h. He returned at an average speed of 54km/h. What was his time for the whole journey?

Answers

Answer 1
I think the answer is 3.5 hours. 108/72=1.5
108/54= 2
2+1.5=3.5

Related Questions

Help please find the volume of the sphere

Answers

Answer: 44.6cm³

The formula is [tex]\frac{4}{3} \pi r^3[/tex].

Since the formula had π (pi) pi is 3.14.

The radius is the line inside the sphere.

That being said, the radius is 2.2, so the line is 2.2 long.

Now, let's solve.

4/3 × 3.14 = 4.186 → 4.19

4.19 × 2.2³ = 44.6

Hence, 44.6 is the answer.

Nancy watches her dad fix a broken chair with a nail and a hammer, but she finds the hammering sound too loud. So, she decides to go back to her room, which is next door. On entering her room, she finds the hammering does not sound as loud. Why does the sound become faint?

Answers

Answer:

The sound of hammering becomes fainter as Nancy goes into her room because some of the sound waves are absorbed by the walls. Only part of the sound waves coming from the other room comes into her room, so the hammering sounds quieter.

I hope this helps. Good luck ^^

1. Anne and Kelly are exploring a desert. Anne leaves camp and walks for 2 miles at 125 degrees. She then turns to a direction of 40 degrees and walks straight for 3 miles. How far and in what directiort will she have to walk to get back to camp?

Answers

arf arf GRRR ARF ARF ARF GRRRR

How would you show a rate of change of 3.5 meters per minute on a graph?

Answers

Answer:

i don't know

Step-by-step explanation:

Nissan Appliances bought three dozen camcorders at a total cost of $5,040. The markup on the camcorders is 30% of the selling
price. What was the original selling price of each camcorder?
Selling price- HELP DUE IN 10 MINUTES 25 POINTS

Answers

Answer:

(3*12) 36 Camcorders= $5040

1 Camcorder= $5040/36 = $140

Original= $140/1.03= $135.92

What’s is the volume, Length: 4, Width: 3 3/4, Height: 6 HELP ME GIVING 10 POINTS

Answers

Answer:

huh thats 5

Step-by-step explanation:

I would be clad to but I don't have time to sorry

not sorry  also

thanks fo

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p

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and why would I want to do that its not that hard lol XD

Someone please help!!!

Answers

42yd is your answer

Answer:

area of shaded region =area of (square -circle)

=l²-π(d/2)²

=14²π(14/2)²=196-49π=42.061=42yd

-1/2x - 3 =4
which is the value of x?

Answers

Answer:

x = -14

(っ◔◡◔)っ ♥ Hope It Helps ♥

Answer:

-14

Step-by-step explanation:

-1/2x - 3 = 4

-1/2x = 4 + 3

x = 7 * -2

x = -14

which expression is equivalent to...........

Answers

Answer:

6.5y-11

Step-by-step explanation:

i think that's the answer. if I'm wrong tell me right away good day

Ty Given that the mzx is 30° in the diagram above, find the m_y.​

Answers

9514 1404 393

Answer:

  y = 30°

Step-by-step explanation:

Angles x and y are "vertical" angles, so are congruent.

  x = y = 30°

Harper sold a $350,000 home. She earned 3% commission. How much did she make off the sale of the home?

Answers

Answer:

10500 dollars

Step-by-step explanation:

350,000 * .03 = 10500

For Greta's birthday party, her parents ordered 6 pizzas. If they cut the pizzas into sixths, how many pieces will there be? Choose the model that matches this problem.

Answers

Options aren't avaible

Answer:

(1 ÷ 1/6) * 6

36 pieces of pizza

Step-by-step explanation:

Given that :

Number of pizzas ordered = 6

Divisions per pizza = 1/6 ;

Hence, 1 full pizza is divided into 1 ÷ 1/6 = 1 * 6/1 = 6 pieces

6 * 1/6(1)

The total pieces of pizzas equals :

6 pieces per pizza * number of pizzas

6 * 6

= 36 pieces of pizza

I have 0.0254 it and they say approximately to 2 decimal place will I include the 0 after the decimal point​

Answers

Yes. You have to include 0.

If we round off this value to 2 decimal places then it is

0.03

Reason: after decimal point or before decimal point if you have to drop some digits and if the digit to be droped are 5 followed by non zero digit then previous digit is increased by 1.

Here, the digits to be droped are 5 and 4 after 0.02 so we increase 2 by 1 that is 3.

Simplify: (16-5)-9 x 1 A. 5 B. 2 C. 4 D. 3

Answers

Answer:

B it right...

Step-by-step explanation:

Answer: B 2

Step-by-step explanation:

16 - 5 = 11

11 - 9.1  = 2 option B

I need the answer ASAP does anyone know it

Answers

The mean= 15.142857142857
The variance= 12.408163265306
Standard Deviation= 3.5225222874108

DID I GET THESE TWO RIGHT? I WILL MARK YOU BRAINIEST ASAP
1) what is 32% of 50 pounds. the answer i got 16

2) what is 16% of $8?
answer i got was 1.28

Answers

Answer:

1 is 16 and 2 is 1.28

Step-by-step explanation:

you got them correct

What is/are the coefficient(s) in the expression below? 2x^2 + x - 15
PLEASE ANSWER MEE

Answers

Answer:

a = 2, b = 1, c = - 15

Step-by-step explanation:

The standard form of a quadratic expression is ax² + bx + c ( a ≠ 0 )

2x² + x - 15 ← is in standard form

with a = 2, b = 1, c = - 15

HELP! Find the area of the parallelogram the figure is not drawn to scale

Answers

Area of a parallelogram= base x height
38 x 35= 1330
It is not 44 because the height and base should form a perpendicular line

The area of the parallelogram in the diagram given is: 1,330 in.²

What is the Area of a Parallelogram?

Area of a parallelogram = (base × height)

Given the following dimensions of the parallelogram:

Base = 38 in.

Height = 35 in.

Area of the parallelogram = 38 × 35

Area of the parallelogram = 1,330 in.²

Learn more about the area of a parallelogram on:

https://brainly.com/question/3050890

A gardener has 3 pounds of compost. She will split the compost Into 8 garden beds equally. How many pounds of compost will
she put in each garden bed?
11 11
ОА.
OB.
Oce
OD. 11

Answers

Do 8 divde by 3 pounds

i need help with this asap
dexide whether pait of angles
1 and 2
4 and 3
5 and 6
arw alternate interior angles
alternate exterior angles
corresponding anglws
same side intetior angles​

Answers

Answer:

1 and 2 is corresponding angles

4 and 3 is alternate interior angles

5 and 6 corresponding angles

Which statement about gravity is true?
A. Gravity pulls all objects together, big or small
B. Gravity decreases as mass decreases
C. Gravity decreases as distance increases
D. Gravity pulls only very large objects together

Please help, If I don't get at least a B my parents will kill me.

Answers

Answer:

D is false

A is true

B is true

C is true

Step-by-step explanation:

Answer:

I this a multiple choice answer? I found that A B and C are true.

I know this because the article Newtons laws of Universal Gravitation states that "Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases." This makes C the best answer

Is x = 7 a solution to the equation 3x - 4 = 15? No Yes

Answers

Answer:

no

Step-by-step explanation:

To determine if x = 7 is a solution.

Substitute x = 7 into the equation and if left side equals right side then it is a solution

3(7) - 4 = 21 - 4 = 17 ≠ 15

Then x = 7 is not a solution to the equation

No, x = 7 is not the solution of Equation 3x - 4 = 15

What is an Equation?

An Equation is a mathematical statement that shows that two mathematical expressions are equal.

Given that an Equation 3x - 4 = 15

Solving x = 7 we get,

3*7 - 4 = 21 - 4 = 17

17 ≠ 15

Hence, x = 7 is not a solution of the given Equation.

For more references on Equation, click;

https://brainly.com/question/10413253

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PLEASE HELP!!!!!! ILL MAKE BRAINLIEST ​

Answers

Answer:

x = 17

Step-by-step explanation:

75 = 4x + 7

68 = 4x

x = 17

Answer:

17

Step-by-step explanation:

Set equal to each other

Subtract 7 from 75

Divided the answer (68) by 4

Receive the answer 17

Hope this helps, have a good day.

Find the solution to the system of equations.

Answers

Answer:

Step-by-step explanation:

y intercept is 0, 15

x intercept is -40,0

15/40 = 3/8

y = 3/8 x + b

15 = b

y = 3//8x + b

Answer:

x-intercept : (-40,0)  y-intercept: (0,15)

Step-by-step explanation:

I hope this helps :)

Helpppppp please mmmmmmm

Answers

Step-by-step explanation:

Please type or post your question....

hope you might understood

7 + 3 (2x - 5) = 3x + 7

Answers

X=5 because this same question was in my test and I got it right

Answer:

x = 5

Step-by-step explanation:

Given

7 + 3(2x - 5) = 3x + 7 ← distribute parenthesis and simplify left side

7 + 6x - 15 = 3x + 7

6x - 8 = 3x + 7 ( subtract 3x from both sides )

3x - 8 = 7 ( add 8 to both sides )

3x = 15 ( divide both sides by 3 )

x = 5


Which set of values makes the inequality n > -5 true?
А
{-5, -5.5,-6)
B
{-5, -4.5, -3)
Ć
(-6,0,5)
D
{-6, -7,-8}

Answers

Answer:

the answer is c :)

Step-by-step explanation:

A radius of 1 meter. What’s the area. Use 3.14 for pi

Answers

Answer:

A is 3.14

Step-by-step explanation:

. good day.hope it helps

Answer:

Step-by-step explanation:

circumference   =   2 * pi * radius

                                                            Plug in  4 meters  for radius  and  3.14  for  pi  .

circumference   ≈   2 * 3.14 * 4 m

                                                            Multiply these together.

circumference   ≈   25.1 m

area   =   pi * radius2

                                                            Plug in  4 meters  for radius  and  3.14  for  pi  .

area   ≈   3.14 * (4m)2

                                                            Square the  4m  .

area   ≈   3.14 * 16m2

                                                            Multiply.

area   ≈   50.2 m2

Find the volume of the rectangular pyramid please help me guys

Answers

Answer:

160 ft^3

Step-by-step explanation:

The volume formula is the same as a rectangular prism, lwh

So if we plug in the numbers, it'd be 12*4*10

Which equals 160 :))

Answer:

160

Step-by-step explanation:

v = L * W * H / 3

Guided Practice

x y
3 5.4
7 12.6
12 21.6


For the data in the table, tell whether y varies directly with x. If it does, write an equation for the direct variation.


A.
yes; x = 1.8y


B.
no


C.
yes; y = 1.8x

Answers

Answer:

C.

yes; y = 1.8x

Step-by-step explanation:

Answer for the question :

Yes, Y varies directly with X, and the equation is :

Y = 1.8X

NOTE : For every value of X, when you multiply them with 1.8, you will get the corresponding Y.  

Y = 1.8 x X

5.4 = 1.8 x 3

12.6 = 1.8 x 7

21.6 = 1.8 x 12   (Q.E.D.)

That’s the answer, good luck in solving the question!

:-)

ideal all you ought to do is to divide the y via potential of x and u get the equation working occasion #a million y=32 / x=4 then u have y/x=32/4 ----> y=8x and do the comparable indoors something so #2 y=-20 & x=-20 so y/x=-20/-20 y=x etc

The linear equation is given as y = 1.8x, Then the correct option is C.

What is the equation of a line passing through two points?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

Let the equation of the line pass through (x₁, y₁) and (x₂, y₂). Then the equation of the line is given as,

[tex]\rm (y - y_2) = \left (\dfrac{y_2 - y_1}{x_2 - x_1} \right ) (x - x_2)[/tex]

The table is given below.

x         y

3      5.4

7      12.6

12     21.6

Then the linear equation is given as,

[tex]\rm (y - 5.4) = \left [\dfrac{5.4-12.6}{7-3} \right] (x-3)[/tex]

Simplify the equation, then we have

y - 5.4 = 1.8(x - 3)

y - 5.4 = 1.8x - 5.4

y = 1.8x

The linear equation is given as y = 1.8x, Then the correct option is C.

More about the line passing through two points link is given below.

https://brainly.com/question/12740817

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