awdadaddda
29.12.2021 •
Mathematics
A spider traveled 20 feet in 12 minutes. at this rate, how far could it travel in 3 minutes?
Solved
Show answers
More tips
- S Style and Beauty How are artificial nails removed?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
- F Food and Cooking 10 Reasons Why You Should Avoid Giving Re-Gifts: An Informative Guide...
- S Sport How to wrap boxing hand wraps? Everything you need to know!...
- A Animals and plants 5 Tips for Taking Care of Yews to Keep Them Green and Beautiful...
- H Health and Medicine How to Calm Your Nerves? Expert Tips That Actually Work...
- O Other What is a Disk Emulsifier and How Does it Work?...
- S Sport How to Pump Your Chest Muscle? Secrets of Training...
- C Computers and Internet How to Get Rid of 3pic Infector: Everything You Need to Know...
- S Style and Beauty How to Grow Hair Faster: Real Methods and Advice...
Answers on questions: Mathematics
- M Mathematics Directions: Solve the multi-step equation showing your work!...
- M Mathematics Simplify the expression -2 b - 6 + 3 b - 2...
- M Mathematics Two angles are a linear pair. the measure of the first angle minus 39 is equal to twice the measure of the second angle. what are both angles?...
- M Mathematics the formula for the area of a triangle is 1/2bh, find the area of a right triangle with a hypotenuse length of 13 in and one length of 5 in...
- H Health H everyone how r you /...
- M Mathematics Consider two circular swimming pools. Pool A has a radius of 28 feet, and Pool B has a diameter of 17.26 meters. Complete the description for which pool has a greater...
- M Mathematics How to figure which is a btter deal 10 for 10 or 12 for 11.99...
Ответ:
Step-by-step explanation:
The possible proportions can be formed by dividing the equation ...
ad = bc
by any of the four products that consist of one left-side variable and one right-side variable.
Dividing by ab gives ...
d/b = c/a
Dividing by ac gives ...
d/c = b/a
Dividing by bd gives ...
a/b = c/d
And dividing by cd gives ...
a/c = b/d
Comment on writing proportions
Any proportion can be written in any of these four ways. It is generally convenient to choose the one that has the unknown variable as a numerator with a denominator of 1 (if possible).