3 years ago

Factorize a^2–b^2 Hence find the exact value of 2557^2-2547^2

Mathematics

2 answers:

motikmotik3 years ago

8 0

Answer:

51,040.

Step-by-step explanation:

a^2–b^2 = (a - b)(a + b) so

2557^2-2547^2 = (2557-2547)2557+2547)

= 10 * 5104

= 51,040.

statuscvo [17]3 years ago

4 0

Answer:51040

Step-by-step explanation:a^2-b^2=(a+b)(a-b)

2557^2-2547^2

(2557-2547)(2557+2547)

(10)(5104)

51040

You might be interested in

Suppose the radius of a circle is 2. What is its circumference?

Scilla [17]

Answer:

12.57

Step-by-step explanation:

The formula to solve the circumference of a circle is:

2 x PI x R (radius)

=> 2 x PI x 2

=> 4 PI or 12.57

4 0

3 years ago

A person must be at least 4 feet tall to ride an amusement park ride. Which inequality represents the height, h, of a person who

Nataly [62]

Answer:

4≥x

Step-by-step explanation:

The person has to be at least four feet (=) or he can be higher (>).

3 0

3 years ago

Drag each equation to show if it could be a correct first step to solving the equation 8(x + 5) = 56.

cupoosta [38]

Answer:

8x+40=56

Step-by-step explanation:

You have to distribute the 8

Then finish the rest of the problem

7 0

3 years ago

Wich one is bigger 3/3 or 7/8

MrRissso [65]

3/3=1 and 7/8 is < 1 so 3/3 is bigger

4 0

3 years ago

Last month, Brooklyn worked 255 hours for $750 per hour at her job at the store. How much did she earn the last month

mixas84 [53]

She earned $191,250 last month

6 0

3 years ago

Read 2 more answers