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4 years ago

Simplify this problem

Mathematics

2 answers:

Liono4ka [1.6K]4 years ago

4 0

The answer is A. Just looking at one variable, y, y4 -y would = 3.

statuscvo [17]4 years ago

3 0

[(xy)/(ab)]^4 * (yx^2)/(a^3*b^4)

(y^5*x^6)/(a^7*b^8)

it's b :P

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PLEASE HELP ME ASAP!! WILL MARK BRAINLIST

Svet_ta [14]

Answer:

for second box 8. for third box 64 to the power 1/3. for fourth box 1 . and for fifth box 64/512 for sixth box 1/64

8 0

3 years ago

Estimate 40% of 20 equals

Delvig [45]

40% of 20 is 8 8 is the answer

6 0

3 years ago

Read 2 more answers

(5x - 11)<br> (2x + 20)<br> (11x-63)

MrRa [10]

Ancbbbnm,..vbnm,.

Step-by-step explanation:

6 0

3 years ago

Simplify the expression <br> y^12/y^12

andreev551 [17]

Step-by-step explanation:

________________________________

Step 1:

$\frac{{y}^{12} }{ {y}^{12} }$

Wright the equation

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Step 2:

${y}^{12 - 12}$

Transfer the power of y ie ¹² up to subtract it

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Step 3:

${y}^{0}$

by subtracting the powers we get 0

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Step 4:

$1$

so the results comes 1 because anything ⁰=1

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⚡Final answer :1✓

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hope it helped you:)

5 0

4 years ago

Cos2A is equivalent to: A. sin2A−cos2A B. sin2A+cos2A C. cos2A−sin2A D. cosA−sinA

valina [46]

Formatted Options:

A. sin²A−cos²A

B. sin²A+cos²A

C. cos²A−sin²A

D. cosA−sinA

Answer:

C. cos²A−sin²A

Step-by-step explanation:

From the double angle formulas, we know that:

cos (A + B) = cosAcosB - sinAsinB

So, if B = A, then the above equation becomes;

cos(A + A) = cosAcosA - sinAsinA [i.e replacing B with A]

=>cos(2A) = (cosA)² - (sinA)²

=> cos(2A) = cos²A - sin²A

Therefore,

cos(2A) is equivalent to cos²A - sin²A

6 0

3 years ago