1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kramer
4 years ago
12

Please help me!i have problems with this question

Mathematics
1 answer:
Leno4ka [110]4 years ago
4 0

Answer:

the mass of the empty box is 4/3 kg.

Step-by-step explanation:

The total mass (box plus 4 books and 2 files) is 2 kg

When half of the load is removed (2 books and 2 files) the mass is 1 3/20.

We have the following equation:

2 kg - (x/2)= 1 3/20 kg

Where x is the total mass of the load (4 books and 2 files)

This steps where followed to solve the equation:

2 -x/2 = (20-3)/20

40-10x=17

23=10x

x=2/3 kg

That is the total mass of the load

Hence

2kg -2/3 kg= 4/3 kg, the mass of the box

You might be interested in
Answer the following.
Assoli18 [71]

Answer:

40000

Step-by-step explanation:

Simple interest (I) is calculated as

I = \frac{PRT}{100}

P is the amount borrowed , R is the interest and T the time in years

Here I = 2000 , R = 5 and T = 1 with P to be found , then

2000 = \frac{P(5)(1)}{100} ( multiply both sides by 100 )

5P = 200000 ( divide both sides by 5 )

P = 40000

5 0
2 years ago
Read 2 more answers
15. A person facing east walks east 20 paces, turns, walks north 10 paces, turns, walks west 25 paces, turns, walks south 10 pac
Reptile [31]

Answer:

oo freeeeeee I was just the same thing in common use today in the vwjabahqjvqio

7 0
3 years ago
A boat goes 24 miles at a constant speed in 4 hours against a river current.
Ne4ueva [31]

Answer:

8 miles per hour.

Step-by-step explanation:

24miles in 4 hours = 24/4=6 miles per hour.

24 miles in 3 hours = 24/3=8 miles per hour. The boat going with the current of the river is traveling at 8 miles per hour.

7 0
3 years ago
a foreman must order enough sod to cover a dirt area 36 feet wide by 28 feet long. each piece of sod is 3 feet long and 12 inche
Andrews [41]

If we divide the area we have to cover by the area of a piece, we will get the number of pieces needed:

n=\dfrac{\text{dirt area}}{\text{piece area}}=\dfrac{36\times 28}{3\times 12} = \dfrac{36\times 28}{36}=28

3 0
3 years ago
Two unfair dice are rolled independently. The first has 0.5 probability of landing on a 6,with equal probability for the other f
Luda [366]

Answer:

Step-by-step explanation:

This question will be better solved with the aid of a detailed diagram, kindly check the below attached images to get the step by step answer to this question.

6 0
3 years ago
Other questions:
  • The area of the rectangle is 72. The length and width have the ratio of 2:1. What’s the length and width?
    11·1 answer
  • Plz plz plz help me quick i got 10 mins
    5·1 answer
  • WHat is the property for 5x+10=24-2x
    15·1 answer
  • What is (3+21)-4 divides by 2
    11·2 answers
  • What times what equals 4
    15·2 answers
  • Write a system of linear equations for the graph below
    10·1 answer
  • Graph f(x) = 8•(1/2)^x
    12·1 answer
  • A pyramid shaped building is 836 ft tall with a square base that is 156 ft on each side. What is the volume of the​ pyramid?
    6·1 answer
  • 1/6(x+6)=11 Solve the equation.
    11·1 answer
  • Alex types 3 pages in the same amount of time that Erica types 4.5 pages. If Alex and Erica start typing at the same time, how m
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!