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
user100 [1]
3 years ago
6

How you could multiple 6×99 in your head?

Mathematics
2 answers:
Andrew [12]3 years ago
4 0
99 is 1 less than 100.
(100-1)×6

100×6=600
-1×6=-6

600-6=<span>594

Answer: 594</span>
NeTakaya3 years ago
4 0
Since 99=100-1,
we use the distribution property,
6(99)=6(100-1)=600-6 = 594

With minimum practice, the technique can be mastered in a short time.

For example, 15*998 = 15(1000-2) =15000-30=14970
You might be interested in
An equation whose variables are polar coordinates is called a ____________
Murljashka [212]
An equation whose variables are polar coordinates is called a polar equation. These equation are characterized by an r as a function an angle. Polar equations can be written in rectangular coordinates by certain relationships. An example of a polar equation would be r = 2sin∅.
4 0
3 years ago
Read 2 more answers
Work out the mean for the data set below: 5, 3, 3, 6, 2, 5, 2, 4, 7 Give your answer as a fraction in its simplest form.
olga nikolaevna [1]

Answer:

4 1/9

Step-by-step explanation:

Add all of them together. you get 37. Then divide them by how many numbers. You get 4.111 repeating. I then just turned that into a fraction and got 4 1/9

3 0
3 years ago
A train travels 220 miles in 4 hours. What is the train's speed in feet per minute?
Katena32 [7]
220 miles in 4 h = 55 mph multiply this by 5280 to get feet per hour then divide this by 60 to get ft/min


7 0
3 years ago
Read 2 more answers
Does 30,40,45 make a right triangle?
zavuch27 [327]

I believe that it does.

8 0
3 years ago
Which factors of -12 add to -1?
beks73 [17]

Answer:

-4 and 3

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • How do you find the perimeter of a square?
    6·2 answers
  • What number must be added to both sides of the equation to complete the square ?
    11·1 answer
  • Due to the increase of posts on social media, the number of flip cell phones is in exponential decline. Data collected from 2009
    5·1 answer
  • Jamin is mixing a small amount of cement. The bag of cement mix says to use 1 part mix and 4 parts water. Jamin needs 10 gallons
    10·1 answer
  • Solve the inequality.<br><br> 14c&lt;8
    9·1 answer
  • A young sumo wrestler decided to go on a special high-protein diet to gain weight rapidly and at a constant rate. After 8 88 mon
    15·1 answer
  • 45 students will be grouped in pairs (groups of 2). How many different combinations of groups
    9·1 answer
  • Find the missing measurement
    8·1 answer
  • Charles has 24 marbels .he has 6 more yellow marbles than blue marbels
    6·2 answers
  • What is the following states of the pythangorean theorom triangles
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!