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Allisa [31]
2 years ago
5

Please help i keep getting this wrong

Mathematics
2 answers:
svp [43]2 years ago
6 0

Answer:

(5x+10y)/(x+2y)

Step-by-step explanation:

forsale [732]2 years ago
6 0
You find greatest common factor for both the numerator part and the denominator part.

First look at numerator
5x^2 10xy

What is the greatest common factor?

5 and x

So
5x (x + 2y)

[you can multiply them back and see that you get the initial equation. Also, cant simplify x+2y any further so this is correct]

Now the denominator:
X^2 +2xy

Again, find GCF.
It is only x

So,

X(x+2y)

Now what do we have?

5x(x+2y)/ x(x+2y)

You can see that x+2y is present both in numerator snd in denaminator, so you can cancel them out.
You are left with.

5x/x

You can cancel x’s too and you are left with

5
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16.8 - (-23.72)+(-31.3) = x
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Let's solve  your equation step-by-step

16.8-(-23.72)-31.3=x

Step 1:simplify both sides of the equation

16.8-(-23.72)-31.3=x

16.8+23.72+-31.3=x

(16.8+23.72+-31.3)=x (combine like terms)

9.22=x

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Step 2: flip the equation

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2 years ago
Which of the following best shows the associative property of multiplication?
Marizza181 [45]

Answer:

(4 × 3) × 6 = 4 × (3 × 6) shows the Associative Property of Multiplication.

8 0
3 years ago
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Answer:

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Step-by-step explanation:

5 0
3 years ago
What are the key aspects of the graph of f(x) = x2 - 62,<br> where b is a real number?
8090 [49]

Answer:

The x intercepts are b , - b

The y-intercept is - b²

The vertex is (0 , - b²)

The axis of symmetry of the function is the y-axis

Step-by-step explanation:

* Lets explain the key aspects of the quadratic function

- There are many key aspects in a quadratic graph such as:

# x-intercepts

# y-intercept

# The vertex

# Axis of symmetry

* Lets solve the problem

∵ f(x) = x² - b² is a quadratic function

∵ The general form of the quadratic function is f(x) = Ax² + B(x) + C

   where A , B , C are constant

∴ A = 1 , B = 0 , C = -b²

- To find the x-intercept put f(x) = 0

∵ f(x) = x² - b²

∴ x² - b² = 0 ⇒ add b² for both sides

∴ x² = b² ⇒ take √ for both sides

∴ x = ± b

∴ The x intercepts are b , - b

- To find the y-intercept put x = 0

∵ f(x) = x² - b²

∴ f(0) = 0 - b²

∴ f(0) = - b²

∴ The y-intercept is - b²

- The vertex of the function is (h , k) where h = -B/2A and k = f(h)

∵ A = 1 and B = 0

∴ h = 0/2(1) = 0

∵ k = f(h)

∴ k = f(0) = 0 - b² = - b²

∴ k = - b²

∴ The vertex is (0 , - b²)

- The axis of symmetry of the quadratic function is a vertical line

  passes through the vertex of it and its equation is x = h

∵ h = 0

∴ The equation of the axis of symmetry is x = 0

∵ The equation of the y-axis is x = 0

∴ The axis of symmetry of the function is the y-axis

7 0
3 years ago
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Lesechka [4]

Answer:

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Step-by-step explanation:

6 0
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