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scZoUnD [109]
3 years ago
5

3. Retaj is cutting a roll of string into pieces that are each 2/3 m long . If the yarn is 6 m long, how many pieces of yarn did

she cut?
Mathematics
1 answer:
Airida [17]3 years ago
6 0
9 pieces of yarn

You have to divide them.
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Use the method of completing the square to transform the quadratic equation into the equation form (x – p)2 = q. x2 - 12x - 9 =
marissa [1.9K]

Hence, the correct answer is: C) (x - 6)^2 = 45

Further explanation:

Given equation is:

x^2-12x-9=0

We will move the constant term on other side of the equation

x^2-12x=9

To complete the square, we will take the coefficient of x and divide it by 2, as we already know that one term is x.

\frac{12}{2}=6

So, adding (6)^2 on both sides

(x)^2-2.x.6+(6)^2=9+(6)^2\\(x-6)^2=9+36\\(x-6)^2=45

Hence, the correct answer is: C) (x - 6)^2 = 45

Keywords: Quadratic Equation, Solution of equation

Learn more about quadratic equation at:

  • brainly.com/question/4695279
  • brainly.com/question/4703807

#LearnwithBrainly

7 0
3 years ago
Please anyone help me with this question​
nikklg [1K]

Answer:

8uv÷v²

but putting the value of u and v.

8×2×4 ÷ 4²

=64÷16

=4

8 0
3 years ago
If m∠A = m∠B and m∠A + m∠C = ∠D, then m∠B + m∠C = ∠D Which property is shown?
Ad libitum [116K]

Answer:

Substitution Property

Step-by-step explanation:

So we know that:

m\angle A=m\angle B

And we also know that:

m\angle A+m\angle C=\angle D

And by using a specific property, we get that:

m\angle B+m\angle C=\angle D

Essentially, we <em>substituted</em> B for A.

So, this is an example of the substitution property, where if two sides/angles are congruent, we can substitute them for each other.

6 0
3 years ago
Evaluate the variable expression x + y for the given values of x and y . X=43.37 ; Y=18.24
cupoosta [38]

Answer:

61.61

Step-by-step explanation:

In the expression now that we know the value of x and y, we can replace it with its values. So it would look like this.... 43.37 + 18.24. This equals 61.61.

Hope this helps!

4 0
3 years ago
Which is bigger, 7/8" or 9/16"?
Iteru [2.4K]
7/8 and 9/16

7*2/8*2 = 14/16

14/16 and 9/16

Now since we have a common denominator, we can compare the numerators.

14/16 is greater, so 7/8 is greater than 9/16

Answer: 7/8 is bigger
5 0
3 years ago
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