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
Scilla [17]
3 years ago
6

Suppose a and b vary inversely, and b = 8 when a = 6. Write a function that models the variation and find b when a = 30. Explain

your answer.
Mathematics
1 answer:
ICE Princess25 [194]3 years ago
6 0
1. If a and b vary inversely and b = 8 when a = 6:
b = k/ a
8 = k / 6
k = 6 * 8
k = 48
Function is:
b = 48 / a
2. When a = 30:
b = 48 / 30 = 8/5
b = 1.6
You might be interested in
Calculate the value of x if 2x/3=8/5
Cloud [144]

Answer:

12/5 or 2⅖

Step-by-step explanation:

2x/3 = 8/5

2x = 3 × 8/5

2x = 24/5

x = 24/5 ÷ 2

x = 12/5

Or 2⅖

5 0
3 years ago
grace and her friends were to roll the two dice 100 times, how many of the 100 times could they expect to roll the same number o
LenaWriter [7]

Answer:

The probability of both dice having the same number is 636, as there are 36 different outcomes, 6 of which have two of the same number, i.e. (1,1),(2,2),....

The expected number of rolls of this type in 100 pairs of dice rolls is 100∗636

4 0
2 years ago
Can someone please help me and explain? please
mariarad [96]
Composite figure is made up of 4 triangles and a square.

Area of Square = Length x Length 
Area of Square = 12 x 12
Area of Square= 144 cm²

Area of triangle = 1/2 x base x height
Area of triangle  = 1/2 x 12 x 8 
Area of triangle  = 48 cm²

Area of 4 Triangles = 48 x 4
Area of 4 Triangles = 192 cm²

Total Area = 144 + 192 = 336 cm² 

\Longrightarrow \boxed { \boxed { Answer : 336 cm^{2} }}


4 0
3 years ago
Venetta buys 2 pounds of pistachios and 3 pounds of almonds. The pistachios cost $4 more per pound than the almonds. She pays a
Alex

Answer: the answer is 2 and 5

Step-by-step explanation:

8 0
3 years ago
what is the population of the Emperor penguin rounded to the nearest ten thousand and to the nearest hundred thousand
gogolik [260]

Answer:

130,000 to 250,000

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Write an equation for the point-slope form M=2,(5,6)
    14·1 answer
  • Levi takes 2.5 hours. If his dad helps him, then it takes 1 hour. How long does it take Levi’s dad to wash the car by himself?
    13·1 answer
  • Please help and i apreciate it
    10·2 answers
  • Can someone help me with this problem?
    15·2 answers
  • The exchange rate of U.S. dollars to British pounds (£) .63. You have $4000 to convert to British pounds. How many british pound
    11·2 answers
  • Simplify the algebraic expression: 4(3x + y) – 2(x – 5y)
    11·2 answers
  • The figures are similar. The area of one figure is given. Find the area of the other figure to the nearest whole number. The are
    11·1 answer
  • I dont understand this
    11·1 answer
  • A bag contains 3 red marbles, 4 blue marbles and 7 green marbles. If two marbles are drawn out of the bag, what is the probabili
    9·1 answer
  • BRAINLIEST!URGENT! Please help if you can. If you know the answer, please leave an explanation and I will mark you brainliest!​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!