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dsp73
2 years ago
6

A square chess board has sides measuring 16 inches. What is the area of the chess board? What is the area of each small square i

n the chess board?
Mathematics
1 answer:
vaieri [72.5K]2 years ago
6 0
16x16=256.
there are 8 squares along a side so each one would be 2x2 which is equal to 4
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The range of the function y = 2cos x is -2 ≤ y ≤ 2.
Vadim26 [7]

<u>Answer:</u>

The range of the function y = 2cos x is -2 <y < 2 .

<u>Step-by-step explanation:</u>

We know that cos (0) = 1 and cos (π) = - 1 are the two extreme values which cos x assume when x ∈ R and it is also that cos (x) is a continuous periodic function with period 2π when x ∈ R ,

since ,

cos (x + 2π) = cos x

So, the range of the  function y = 2cos x is -2 <y < 2 .

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3 years ago
In right △ABC with right angle B, m∠A=(3x−8)° and m∠C=(x−2)°.
julsineya [31]

Answer:

<A = 67

Step-by-step explanation:

The three angles of a triangle add up to 180 degrees.  We know a right angle is 90 degrees.

<A + <B + <C = 180

3x-8 + 90 + x-2 =180

Combine like terms

4x-10+90 = 180

4x+80 =180

Subtract 80 from each side

4x+80-80=180-80

4x=100

Divide each side by 4

4x/4 = 100/4

x=25

But we want to know <A

<A = 3x-8

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6 0
3 years ago
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Which of the following is a line segment as shown in the drawing?<br><br> ED<br> EH<br> DH<br> CD
Nata [24]

Answer:

so line CD

Step-by-step explanation:

a line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints.

4 0
2 years ago
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lesya692 [45]

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Step-by-step explanation:

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Fiesta28 [93]

substitution and elimination means that you need to use one equation and substitute it in place of some variable in the other equation.

Consider the above two equations.

Take equation 1, which is 4x-2y=22 => x=(22+2y)/4

substitute the x value gained above in equation 2.

so, 2((22+2y)/4)+4y=6

22+2y+8y=12 => 10y = -10 => y= -1.

Substitute y= -1 in x value obtained in the beginning.

So, x= (22 - 2)/4 => 5.

There fore, x= 5 and y= -1

Hope it helps.

5 0
3 years ago
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