3 years ago

C) Workout using factorization. Show all your working. 9.9²- 0.1²

Mathematics

1 answer:

Anni [7]3 years ago

7 0

Answer:

Step-by-step explanation:

1) You shulduse the formula x^2-y^2= (x-y)(x+y)

That obvious, that 9.9 is considered as x, and 0.1 as y

2) So 9.9²- 0.1²= (9.9-0.1) * (9.9+0.1)=9.8*10=98

You might be interested in

-[x-2]=x+2 please help

ELEN [110]

-(x-2) = x + 2
- x + 2 = x + 2
2x = 0
x = 0

i am a mathematics teacher. if anything to ask please pm me

5 0

3 years ago

What is the next fraction in this sequence? 1 3 9 27 280, 280, 280, 280 /

WITCHER [35]

Answer:

the answer is 81 over 280

8 0

3 years ago

Ashley got a haircut at the local hair salon. The total for her services was $95 and she will give the stylist a 30% tip, what i

Temka [501]

Answer:

divide 95÷30% then that will be your answer

3 0

3 years ago

If A and B represent integers, M+P = P+M is an example of which property?

Serggg [28]

Answer:

commutative propriety of addition

Step-by-step explanation:

M+P =P+M is an example of the commutative propriety of addition

when numbers or parentheses connected by addition or multiplication switch places (commute) we have commutative propriety of addition or multiplication

8 0

3 years ago

Read 2 more answers

The price of a stove is s dollars. Pedro makes a 10% down payment for a two-year installment purchase. The monthly payment is m

Sever21 [200]

Answer:

0.2

Step-by-step explanation:

8 0

3 years ago

C) Workout using factorization. Show all your working. 9.9²- 0.1²​

C) Workout using factorization. Show all your working. 9.9²- 0.1²