3 years ago

Help me please and ty

Mathematics

1 answer:

Sladkaya [172]3 years ago

3 0

I believe it’s -9 or 0

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The length of a square is 2x+3. write and simplify an expression for the perimeter of the square

Archy [21]

A square has 4 equall side so if one side is 2x+3

then:
the perimeter is 2x+3 + 2x+3 + 2x+3 + 2x+3

Combine like terms and the answer is:
8x+12

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4 years ago

Expand the equation (x-5)^2

m_a_m_a [10]

Answer:

$x^2 - 10x + 25$

Step-by-step explanation:

Step 1: Expand the equation

$(x - 5)^2$

$(x - 5)(x - 5)$

Foil

$(x * x) + (x * -5) + (-5 * x) + (-5 * -5)$

$(x^2) + (-5x) + (-5x) + (25)$

Combine

$x^2 - 10x + 25$

Answer: $x^2 - 10x + 25$

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3 years ago

Read 2 more answers

Which expression is equivalent to 113−−−√5?

Anna35 [415]

Answer:

113 -✓5

Step-by-step explanation:

113-(-(-✓5))

=113-✓5 (decimal:110.763932)

5 0

2 years ago

Help ASAP! I will give brainliest

Neko [114]

Answer: A)1/2

Step-by-step explanation: m = y2-y1/x2-x1

I will use the values (1,2) and (3,3) from the table

1=x1, 2=y1, 3=x2, 3=y2

m = 3-2/3-1

m=1/2

7 0

3 years ago

Can some one help please!!!!!!!

trapecia [35]

Answer:

yes it's easy

Step-by-step explanation:

y=-2x

it may help you to understand.

8 0

3 years ago