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
ra1l [238]
3 years ago
5

What is an efficient way to compute 47^2–37^2 without using raw calculations?

Mathematics
1 answer:
e-lub [12.9K]3 years ago
6 0

Answer:

(47+37)(47-37)

Step-by-step explanation:

47^2-37^2 is a difference of two squares. a^2-b^2 = (a+b)(a-b) so this expression can be factored to (47+37)(47-37) = (84)(10) = 840

You might be interested in
The formula for the area of a triangle is A = one-half b h. Which is the equivalent equation solved for h?
inessss [21]

Answer:

2Ab = h

I took the test

5 0
3 years ago
A recipe calls for 40 ounces of rice how many grams does the recipe require (one of the answers up there)
Katarina [22]

Answer:

1134

Step-by-step explanation:

1 ounce equals 28.35 grams

so 40 ounces equals:

40 x 28.35

= 1134

4 0
3 years ago
An element with a mass of 990 grams decays by 16.9% per minute. To the nearest Minute, how lon will it be until there are 80 gra
Igoryamba

ye toh mujhe bhi nhi aata.........sorry

5 0
3 years ago
NEED HELP ASAP, WILL GIVE BRAINLIEST
Scrat [10]
D.........................
4 0
3 years ago
The graph shows two lines, A and B.
muminat
Ur 1 solution is where the lines intersect, which is (1,4)
7 0
3 years ago
Read 2 more answers
Other questions:
  • A bag contains 10 marbles: 4 are green, 4 are red, and 2 are blue. Heather chooses a marble at random, and without putting it ba
    6·2 answers
  • If the domain of a function f is {x|0≤x≤7} and the domain of a function g is {x|-2≤x≤5}, then the domain of the sum of the funct
    13·1 answer
  • Solve the inequality 8x&lt;48.<br> A)x&lt;6<br> B)x&lt;40<br> C)x&lt;56<br> D)x84
    9·1 answer
  • Solve:<br><br> (2.5x10^6) x (3x10^6)<br><br> (1.1x10^7)/(1.2x10^7)
    5·1 answer
  • )Information about the age of participants in a dance competition is below:
    5·2 answers
  • The half-life of a radioactive isotope is the time it takes for a quantity of the Isotope to be reduced to half its initial mass
    6·1 answer
  • For each babysitting job, Adam charges a fee for his bus fare plus an hourly rate.
    11·2 answers
  • Onions cost 25 cents each whereas peppers cost 35 cents each. If I buy 5 more onions than peppers
    6·1 answer
  • I built a toy model of my car that is 15 inches long.If my actual car is 20 feet long.What is the scale distance between the toy
    14·1 answer
  • If m ∠ A B F = ( 7 b − 24 ) ° and m ∠ A B E = 2 b ° , find m ∠ E B F .
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!