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
Bad White [126]
3 years ago
13

How do u do mental math for 53 x 7

Mathematics
1 answer:
ikadub [295]3 years ago
7 0
Easy!!!! you first multiply 7 x 5 which is equal to 35 and just add another 0 to that because the number is 50 not 5, so we have 350 and then just multiply 7 x 3 which is 21 and add that up to 350, and the final result being 371
You might be interested in
Determine whether the following conjecture is true or false. Give a counterexample if the answer is false.
brilliants [131]
This conjecture is false, A and C don't have to be complementary angles.

Let Angle A be 100 and Angle B be 80 degrees. They are supplementary (sum of 180).
Let Angle C be 100 and Angle B is still 80 degrees. They are supplementary.

However, Angle A and Angle C are not complementary (sum of 90).
4 0
3 years ago
Rewrite y = x2 + x - 20 in factorized form.
Tcecarenko [31]

Answer:

y = x2 + x - 20 factors into

y = (x +5) * (x -4)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
ok its the walls of a room are repesentations of what basic element of geomotery A.point B.line C.plane D.ray please answer!
Reil [10]

Answer:

i think its C)

Step-by-step explanation:

4 0
3 years ago
Wot it's the missing number x9=6x3
vivado [14]
If i'm understanding this question correctly, i believe that it's 2. 
2*9=6*3
4 0
3 years ago
Read 2 more answers
What is 12.496 rounded to a whole number. what is 2.90 rounded to a whole number
otez555 [7]
A whole number is a number that is whole as in 1,2,3,4,etc, they don’t have decimals. To find the whole number for these questions you must look at the places (hundreds, thousands, ten thousands.) I was always told a trick which is 4 or less let it rest, 5 or more let it sore. (Basically if it’s less than 4 then decrease it, if it’s higher than increase it.)

12.496 = 13
2.90 = 3

Your answers are 13 and 3.
7 0
3 years ago
Read 2 more answers
Other questions:
  • 30 over 8 mixed fractions
    15·2 answers
  • 1
    15·1 answer
  • How would I set up the problem "Two trains Leave a stations at 10:00am heading in opposite directions. One train is going 80mph
    15·1 answer
  • There are 6 blades on each windmill how many total blades are on 7 windmill? Use a fives fact to solve
    14·1 answer
  • If you have the equation of different situations into y = mx + b, What do m and b represent?
    5·1 answer
  • 140 degrees decreased by 65%
    14·1 answer
  • What is the decimal multiplier to decrease by 25%?
    12·2 answers
  • Below are two inequalities and the graphs of their lines without the shading. By imagining where the shading should be, identify
    5·1 answer
  • I really need help!!!!!!!!
    5·2 answers
  • 100 points what is 6x2
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!