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vampirchik [111]
3 years ago
11

Fill in the blank to complete the calculation using the distributive property.

Mathematics
1 answer:
Minchanka [31]3 years ago
4 0
Where’s the picture of the question or the blank?
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Space is a way of joining together points, lines and...

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3 years ago
Sin^22x - 2cos2x + 2=0
zhuklara [117]

Answer:

x=πn, n∈Z

Step-by-step explanation:

if sin²2x=1-cos²2x, then

1-cos²2x-2cos2x+2=0; ⇒ cos²2x+2cos2x-3=0; ⇔ (cos2x+3)(cos2x-1)=0;

\left[\begin{array}{cc}cos2x+3=0\\cos2x-1=0\\\end{array} \  \ \left[\begin{array}{cc}x \ 'does-not-exist'\\cos2x=1\\\end{array} \  \ 2x=2\pi n, n=Z \  x=\pi n, n=Z

5 0
2 years ago
Write 2.08 three ways
topjm [15]

Answer:

2.080

2.0800

2.08000

Step-by-step explanation:

We can write 2.08 in infinite ways by simply adding zeros.

6 0
3 years ago
Read 2 more answers
How do you know that the value of D will decrease when the value of N increases?
zlopas [31]
<h2>Explanation:</h2>

Hello! Remember you have to write complete questions in order to find good and exact answers. Here I'll assume that you need a relationship between D and N. So we know some facts:

  • As N increases, then D decreases

So this is an inverse relationship. We can write this as:

D\propto \frac{1}{N} \\ \\ \\ \boxed{D=k\frac{1}{N}} \\ \\ \\ \text{Where k is a positive constant}

Since N lies in the denominator, as it increases then D will decrease. So this is a correct relationship

5 0
3 years ago
What is the area of a circle with a diameter of 4
Elina [12.6K]

The area of a circle is pi × radius^2.

Diameter / 2 = radius.

4 / 2 = 2

The radius is 2. Plug this value into the area formula.

A = pi(2)^2

Area = 12.57

4 0
3 years ago
Read 2 more answers
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