All categories

2 years ago

Use the difference of two squares to find the product of 22 and 18.

Mathematics

1 answer:

vladimir2022 [97]2 years ago

4 0

Answer:

396

Step-by-step explanation:

Difference of two squares is breaking down numbers into pieces and using the distributive property to solve. The pieces should be in the form (a-b)(c+d).

Write 22 as (20 + 2) and 18 as (20-2).

(20+2)(20-2) = 400 + 40 - 40 - 4 = 400 - 4 = 396

You might be interested in

Find the total volume of the composite figure, Please help out

lilavasa [31]

Answer:

To find the volume of a three-dimensional composite figure, we split the figure up into its different parts and find the volume of each of those... See full answer ...

Step-by-step explanation:

6 0

2 years ago

Simplify 3m4-2+8 A.8m4 B.9m4 C.3m+244 D.3m+284

stiv31 [10]

Answer:

$3m^4 - 2 + 8 = 3(m^4 + 2)$

Step-by-step explanation:

Given

$3m^4 - 2 + 8$

Required

Simplify

$3m^4 - 2 + 8$

Subtract 2 from 8

$3m^4 - 2 + 8 = 3m^4 + 6$

Factorize

$3m^4 - 2 + 8 = 3(m^4 + 2)$

The expression cannot be further simplified;

Hence;

$3m^4 - 2 + 8 = 3(m^4 + 2)$

None of the options answers the question

8 0

2 years ago

F(x)=-3x • G(x) = x +7

kirill [66]

Answer:

-3x^2 - 21x

Step-by-step explanation:

This question is representing multiplying two functions :

We are finding f(x) * g(x)

We know that f(x) is -3x and g(x) is x + 7, therefore :

(-3x)(x + 7)

Follow FOIL :

First :

(-3x)(x)

-3x^2

Outer :

(-3x)(7)

-21x

Therefore the answer is :

-3x^2 - 21x

7 0

2 years ago

gayaneshka [121]

Step-by-step explanation:

OOOO

BYE

8 0

2 years ago

A playgroud has a lenght of 40 ft permermter of 120 ft

ohaa [14]

What is the question? if you are looking for the sides 2 sides are 40 and the other 2 are 20.

3 0

2 years ago

Read 2 more answers