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topjm [15]
3 years ago
9

Explain how the distributive property helps us multiply the following polynomials and why and how the final products differ: (a

+ b)^2, (a – b)^2, and (a - b)(a + b).
Mathematics
1 answer:
koban [17]3 years ago
5 0

Answer:

(a+b)^2 = a^2 + 2ab + b^2

(a-b)^2 = a^2 - 2ab + b^2

(a-b)(a+b) = a^2 - b^2

Step-by-step explanation:

You might be interested in
Is there any positive number b so that the expression logb (0) makes sense? Explain how you know?
topjm [15]

Answer:

No.

Step-by-step explanation:

The logarithm of a number to the base b of a certain number  is the exponent

to which the base b is raised to equal the given value.

So say we have  logb y = a, then

y = b^a

So if y = 0 then

0 = b^a

If b is a positive number then there is no value of a that makes y = 0.

for example y = b^0 = 1, y = b^1 = b  etc.

7 0
3 years ago
Jennie bought six boxes of pencils for four dollars. How many boxes of pencils can she buy for six dollars?
kap26 [50]

Answer:

9 boxes.

Step-by-step explanation:

6 boxes cost 4 dollars

Therefore  1 box costs 4/6 = 2/3 dollar.

So  for 6 dollars  you can buy 6 / 2/3

= 6*3/2

= 9 boxes.

3 0
3 years ago
Triangle ABC is congruent to triangle DEF. what reason can be used to show that line AB is congruent to line DE.
ki77a [65]
If triangle ABC is congruent to triangle DEF, then line AB is congruent to line DE by CPCTC (Corresponding Parts of Congruent Triangles are Congruent).
4 0
4 years ago
Y varies inversely with x. if y = 3 and k (the constant of variation) =33 what is x?
DIA [1.3K]

y = k/x

y = 3 and k = 33

y = k/x

yx = k

x = k/y

x = 33/3

x = 11

4 0
3 years ago
One side of a triangle is 52 cm shorter than the base. The other side is 56 cm longer than the base. What length of the base wil
vitfil [10]
The variable x represents the base.

x+(x-52)+(x+56)=166
3x+4=166
3x=162
x=54

Final answer: 54 cm
4 0
3 years ago
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