3 years ago

12+ brainliest pppllleeeaaassee

1 answer:

3 0

The answer would be wx(yz) because the associative property says that you can change where the parenthesis are while keeping the same equation.
The equation is w(xy)z, but moving the parenthesis some where else will not change it, such as wx(yz).

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What value in place of the question mark makes the polynomial below a perfect square trinomial? x²+22x+?

strojnjashka [21]

Answer:

B. 121

Step-by-step explanation:

Complete the square.

Take half of the middle term, 22, and square it.

So 11^2 = 121.

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3 years ago

Jaimie is 5 years older than her sisiter amy . if the sum of theier ages is 19, how old is jaimie

zalisa [80]

Jamie is 14 and Amy is 5

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3 years ago

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astraxan [27]

Answer:

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Step-by-step explanation:

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3 years ago

Find the angles between -pi and pi that satisfy:<br><br> (−√3) sin(v)+cos(v)=√3

MAXImum [283]

Observe that

$\sin\left(\dfrac\pi6-v\right)=\sin\dfrac\pi6\cos v-\cos\dfrac\pi6\sin v=\dfrac12\cos v-\dfrac{\sqrt3}2\sin v$

In the original equation, divide both sides by $\dfrac12$ :

$-\sqrt3\sin v+\cos v=\sqrt3\implies\dfrac12\cos v-\dfrac{\sqrt3}2\sin v=\dfrac{\sqrt3}2$

$\implies\sin\left(\dfrac\pi6-v\right)=\dfrac{\sqrt3}2$

Next,

$\sin x=\dfrac{\sqrt3}2\implies x=\dfrac\pi3+2n\pi,x=\dfrac{2\pi}3+2n\pi$

where $n$ is any integer. Then

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Fix $n=0$ to ensure $-\pi$ , so that

$v=-\dfrac\pi6,v=-\dfrac\pi2$

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4 years ago

A Rhombus with diagonal 1 equal to 5 ft and diagonal 2 equal to 8 ft

Minchanka [31]

Answer:

Area = 20 ft²

Step-by-step explanation:

Area of a thrombus

½ × d1 × d2

½ × 5 × 8

4 0

4 years ago

Read 2 more answers