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3 years ago

Question 7 of 7 (1 point) Question Attempt 3 of 3

Mathematics

1 answer:

Neporo4naja [7]3 years ago

3 0

Answer:

To divide, use / instead of \.

Examples: 1+2, 1/3+1/4, 2^3 * 2^2

(x+1)(x+2) (Simplify Example), 2x^2+2y x=5, y=3 (Evaluate Example)

y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example)

Step-by-step explanation:

example

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How do I divide this?

Elenna [48]

26c^2 13c^3
---------- / ----------
5c^2 d^1 25d^3

26c^2. 25d^3
---------- • -------------
5c^2 d^1 13c^3

The top simplifies to 2 • 5 • d^2 = 10d^2, and the bottom is c • c = c^2

It would be 10d^2
------------
c^2.

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4 years ago

Find the length of “b”, to the<br> nearest tenth, using the<br> Pythagorean Theorem.

Tresset [83]

Answer: b= 11.2

10^2 + b^2 = 15^2

100 + b^2 = 225

b^2 = 125

b= $\sqrt{125}$

b= 11.2

Step-by-step explanation:

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3 years ago

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Babysitting for 8 hrs and making $72.00 or babysitting for 6 hrs and making $57.00. Which is the better deal?

Sedaia [141]

Babysitting for 8 hours and making $72.00 because of a better/greater amount of money

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3 years ago

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add the term that makes the given expression into a perfect square. write the result as the square of a bracketed expression c s

Molodets [167]

<h2>Perfect Squares</h2>

Perfect square formula/rules:

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

Trinomials are often organized like $ax^2+bx+c$ .

The <em>b</em> value in this case is <em>c</em>, and it will always equal the square of half of the <em>b</em> value.

Perfect square trinomial: $ax^2+bx+(\dfrac{b}{2})^2$
or $ax^2-bx+(\dfrac{b}{2})^2$

<h2>Solving the Question</h2>

We're given:

$c^2-4c$

In a trinomial, we're given the $ax^2$ and $bx$ values. <em>a</em> in this case is 1 and <em>b</em> in this case is 4. To find the third value by dividing 4 by 2 and squaring the quotient:

4 ÷ 2 = 2
2² = 4

Therefore, the term that we can add is + 4.

$c^2-4c+4$

To write this as the square of a bracketed expression, we can follow the rule $a^2-2ab+b^2=(a-b)^2$ :

$(c-2)^2$

<h2>Answer</h2>

$c^2-4c+4$

$(c-2)^2$

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2 years ago

Please help and show your work . Thanks if the picture is upside down turn your device on portrait by locking it so it won't tur

Bezzdna [24]

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