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
yulyashka [42]
3 years ago
7

How to work rates and proportions

Mathematics
1 answer:
tatuchka [14]3 years ago
8 0

Answer:

A proportion is an equality of two ratios. ... A rate is the quotient of a ratio where the quantities have different units. Example: Flying speed. In this lesson, we'll: Learn to convert between part-to-part and part-to-whole ratios.

Step-by-step explanation:

You might be interested in
What is the percent of decrease from 200 to 110? A. 45% B. 55% C. 82% D. 90%
strojnjashka [21]
A) 45%, (100-200)/200=0.45 which also equals 45% :) 
8 0
3 years ago
1. How much is 50% of 10 liters of milk?
Firlakuza [10]
1. 5 liters of milk
2. 1,000 kilometers
3. 12 hours
4. Divide the number by two or multiply by 0.5
5. 200 kilometers
6. 1 liter of milk
7. 2.4 hours or 2 hours and 15 min.
8. Multiply the number by 0.1
7 0
3 years ago
Read 2 more answers
Jessie borrowed $1800 from the bank at a rate of 7.5% simple interest per year. Over the course of 4 years, how much interest di
cluponka [151]
$540
Explanation:
7.5% of 1800 is 135
135 • 4 = 540
5 0
3 years ago
Help pls
Alenkasestr [34]

Answer:

Jay could be thinking of 11  

Step-by-step explanation:

Prime numbers are the numbers that have two factors only, 1 and itself as

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, .................

All prime numbers can divide by 1 and itself only

∵ A number is a prime number

∵ The sum of its digits is 1 more a square number

∴ The sum of its digits = 1 + x, where x is a square number

→ We will start with the first prime number of 2-digits

∵ 11 is a prime number

∵ The sum of its digits = 1 + 1 = 2

→ Substitute it in the equation above to find x

∴ 2 = 1 + x

→ Subtract 1 from both sides

∵ 2 - 1 = 1 - 1 + x

∴ 1 = x

∵ 1 is the square of 1

∴ Jay could be thinking of 11  

<em>You can check some of the other prime numbers to find another number</em>

6 0
3 years ago
Tia cut 4-meters 8-centimeters wire into 10m equal pieces. Marta cut a 540-centimeters wire into 9 equal pieces.how much longer
gavmur [86]

Answer:

Step-by-step explanation:

Tia

4 meters 8 centimeters=408 centimeters

408/10=40.8 centimeters

Marta

540/9=60 centimeters

60-40.8=21.2 centimeters longer

6 0
3 years ago
Other questions:
  • Juan and his friends bought drinks for a charity event. The table shows the numbers of each kind of drink bought, and the amount
    5·1 answer
  • Please help! v - 7 = 9 + 12 ???
    12·2 answers
  • One number is four more than twice another. Their sum<br> is 34. Find the numbers.
    7·1 answer
  • Ron brought cupcakes to school to
    8·2 answers
  • Find the distance between the points. (Round your answer to two decimal places. (9.7, - 2.8), (- 3.2, 8.8)
    9·1 answer
  • What is the solution to the equation 4x = 42? x = 6 x = 10 x = 10.5 x = 10.6
    13·1 answer
  • Order each set of numbers from least to greatest.
    13·1 answer
  • An aeroplane has y seats. If all the seats are occupied and x people get off how many seats are still there
    10·2 answers
  • Please help best answer gets brainliest
    14·1 answer
  • If x=-1 , y=1 and z =2 then find the value of. a . 2x+3y +4z b. 5x2 +3y2+7z2​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!