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dimulka [17.4K]
3 years ago
13

Please help will mark you as brainliest​

Mathematics
2 answers:
zheka24 [161]3 years ago
7 0

Answer:

mark me as brainliest first

Step-by-step explanation:

and I will answer it and the comments

it's so easy though I can answer that

but.. mark this as brainliest first

OLga [1]3 years ago
6 0

Answer:

-2 -> 0.008

-1 -> 0.09

0 -> 1

1 -> 11

2 -> 121

Step-by-step explanation:

Hope this helps!      :3

plz mark as brainliest!

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Which of the following are identities?
podryga [215]

Answer:

A. III only

Step-by-step explanation:

In mathematics, an identity is one of the characteristics of algebraic expressions.

Given variable a and b in an algebraic expression, an identity is defined as an equality that remains the same no matter the values that we choose for either variable a or b.

Identity in mathematics makes it very easy to solve algebraic expressions. The two sides of an identity in an algebra can easily be exchanged for each other.

In the above question, we are given 3 Options.

I) 3(5 + 2x) = 15 + 6x

II) y = x + 3

III) (x² - y²) = (x + y) (x - y)

Option I) 3(5 + 2x) = 15 + 6x

Is showing distributive property in mathematics.

Distributive property is :

a(b + c) = ab + ac

Option I is not an identity , therefore it is wrong.

Option II) y = x + 3 is just an algebraic expression.

Only Option III is an identity. This is because it follows the rule of

(a² - b²) = (a + b) (a - b)

We can prove and confirm this be solving the algebraic expression

(x + y) (x - y)

We expand the bracket

x² - xy +xy - y²

x² - y²

Therefore, option A is the correct option.

6 0
3 years ago
Read 2 more answers
can someone write a subtraction problem that has a mixed numbers and requires a number remaining. PLEASE AND THANK U
Rufina [12.5K]
1/2 -3/6 is equal to 0 because 1/2 is equal to 1/2
4 0
3 years ago
Problems this is so hard so help
lozanna [386]

Giant spider crab are further from the surface the wolf because -800 is farther down than -300 let say the surface is 0 going down is negative you react -300 before -800

6 0
3 years ago
6. A piece of cardboard is cut in an L-shape as
andrey2020 [161]

Answer: a= 120

Step-by-step explanation:A = height times width, 10 times 12 is 120 :)

3 0
2 years ago
Write each fraction as a decimal. Then identify each decimal as terminating or repeating.
cluponka [151]
1/6 = 0.16
1/8 = 0.125
1/11 = 0.09
2/9 = 0.22
4/5 = 0.8
5/9 = 0.56
1/2 = 0.5
7/9 = 0.78
5 0
3 years ago
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