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4 years ago

What are 4 equivalent fractions for 1/4

2 answers:

4 0

If a pie is cut into 4 pieces, then two pieces represent the same amount of pie that 1/2 did. We say that 1/2 is equivalent to 2/4. Fractions are determined to beequivalent by multiplying the numerator and denominator of one fraction by the same number.

ollegr [7]4 years ago

3 0

2/8, 3/12, 6/24, and 4/16. Hope this helps!

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Let t = cosA + sinA find values of t if 2 - sin2A = 2(cosA + sinA)

Zinaida [17]

$2 - \sin(2A) = 2(\cos A + \sin A)\\\\2-2\sin A\cos A=2\cos A+2\sin A\\\\2\sin A\cos A+2\cos A+2\sin A-2=0\\\\1+2\sin A\cos A+2\cos A+2\sin A-3=0\\\\\sin^2 A+\cos^2 A+2\sin A\cos A+2\cos A+2\sin A-3=0\\\\(\sin A+\cos A)^2+2\cos A+2\sin A-3=0\\\\(\sin A+\cos A)^2+2(\cos A+\sin A)-3=0\\\\\\t^2+2t-3=0\\\\t^2+2t+1-4=0\\\\(t+1)^2=4\\\\t+1=2\qquad\vee \qquad t+1=-2\\\\\\\boxed{t=1\qquad\vee\qquad t=-3}$

When $A\in\mathbb{R}$

$t=\cos A+\sin A\in[-\sqrt{2};\sqrt{2}]\approx[-1.4142;1.4142]$

and there is only one answer t = 1.

For $A\in\mathbb{C}$ both values are correct.

4 0

4 years ago

I will give brainlest to the best answer!!!!

sdas [7]

Answer:

-3,9

Step-by-step explanation

2 to -4 would take 6 units down and 8-1 is 7 and 7+2 is 9.

hope this helps!

3 0

3 years ago

F(x)=(x+1)(x-5) find all the critical points

adoni [48]

I don't know what you mean by "critical points". However, I'm going to list all the important points in this equation-

x intercepts: (-1 ,0) and (5,0)

vertex: (2,-9)

y intercept: (0,-5)

Hope this helps!

4 0

2 years ago

Find the measure of the angle that is 15x.

Naddika [18.5K]

15x would be the vertical angle of 16x -8 and since vertical angles are equal, then 15x = 16x -8.

15x = 16x -8
x = 8 and so the angle 15x = 15 * 8
which equals 120 degrees.

8 0

3 years ago

I need some help please

Monica [59]

Answer:

Step-by-step explanation:

The way you calculate the volume of a shape is length x width x height. 4 x 3 x 2 = 24.

3 0

2 years ago