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
Please help thank u<br> i will give 15 points + branliest
FromTheMoon [43]

Answer:

the answer is d

Step-by-step explanation:

its the only answer that makes sense in my opinion

7 0
3 years ago
Read 2 more answers
The length of a rectangular field is 4 meters less than 5 times the breadth of the hall. What is the length, if the breadth is b
vlabodo [156]
IF BREADTH=b meters
THEN LENGTH=4 meter less than 3 times than the breadth of the hall.
LENGTH=3b-4 meters
the length of the rectangular hall is=3b-4 meters
4 0
2 years ago
What is the slope, x intercept, y intercept for this question: 1/3x+ 1/2y= 9
Sergeeva-Olga [200]
Hope this helps you 3y=54-2
6 0
3 years ago
Devon is making 8 loaves of bread. Each loaf of bread needs
kondor19780726 [428]

Answer:

30 cups of flour

Step-by-step explanation:

3 x 8 = 24

3/4 x 8 = 24/4 = 6

24 + 6 = 30

6 0
2 years ago
Jimmy Walked a total of 6 miles last week. This week, he walks 2 miles each hour. If he walks 6 hours this week, how many miles
arlik [135]

Answer:

18 miles

Step-by-step explanation:

Find how many miles he walked this week by multiplying 2 by 6:

2(6)

= 12

Add this to 6, since he walked 6 miles last week:

12 + 6

= 18

So, in all, he will have walked 18 miles

4 0
3 years ago
Other questions:
  • roy is going to increase the size of his patio to make room for a new bbq grill. The ratio of the area of the old patio to the a
    11·2 answers
  • Round 113.04 to the nearest foot
    12·2 answers
  • What is the volume of the following rectangular prism?<br> 4 units<br> Volume =<br> I units
    8·1 answer
  • Write an equation in slope-intercept form of the line that passes through the given point and is perpendicular to the graph of t
    7·1 answer
  • Alr let’s try this again...
    5·2 answers
  • What is the additive inverse of -10? Explain how you know.<br> (Will name brainiest)
    15·2 answers
  • Helpppppppp me plzzzzzzzzz
    7·2 answers
  • Please solve all of the questions!! GIVING BRAINLIEST
    5·1 answer
  • Please help i keep getting this wrong
    5·2 answers
  • 24 feet in 10 seconds​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!