NEED HELP!! 15 POINTS!!!

Mathematics

2 answers:

Free_Kalibri [48]4 years ago

5 0

Answer:

Option B) add 5 to both sides of the equation

Step-by-step explanation:

we have

$x^{2}+18x+76=0$

step 1

Add 5 to both sides of the equation

$x^{2}+18x+76+5=0+5$

$x^{2}+18x+81=5$

step 2

Rewrite as perfect squares

$(x+9)^{2}=5$

Yuri [45]4 years ago

3 0

Answer:

B) Add five to both sides of the equation

Step-by-step explanation:

I did this test on FLVS

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Is a square a type of rectangle or is a rectangle a type of square? Explain why or why not?

GaryK [48]

Answer:

A square is a rectangle.

Step-by-step explanation:

A square is a quadrilateral with all four angles right angles and all four sides of the same length. So a square is a special kind of rectangle, it is one where all the sides have the same length. Which means, every square is a rectangle because it is a quadrilateral with all four angles right angles.

4 0

3 years ago

Read 2 more answers

Which expressions are equivalent?

trapecia [35]

Only 3(a−b) and 3a−3b are equivalent

Further explanation:

We have to evaluate each expression to evaluate if the expressions are equivalent or not.

So,

$3(a-b)\\Distributing\ 3\ in\ bracket\\3.a-3.b\\=3a-3b$