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3 years ago

9

elizebeth goes to chorus practice after school practice last 1 hr and 20 min and it is over at 4 40pm at what time does chorus p

ractice begin

1 answer:

antoniya [11.8K]3 years ago

4 0

Answer:

3:20pm is when chorus practice begins.

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3 years ago

Cube of the number -13/15

Ivan

Answer:

$-\frac{2197}{3375}\\\mathrm{Decimal:\quad }\:-0.65096$

Step-by-step explanation:

$-\left(\frac{13}{15}\right)^3\\\mathrm{Apply\:exponent\:rule}:\quad \left(\frac{a}{b}\right)^c=\frac{a^c}{b^c}\\\left(\frac{13}{15}\right)^3=\frac{13^3}{15^3}\\=-\frac{13^3}{15^3}\\13^3=2197\\=-\frac{2197}{15^3}\\15^3=3375\\=-\frac{2197}{3375}$

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The measure of an angle is 60° less than nineteen times the measure of its supplement. what is the measure of the angle?

DerKrebs [107]

Two angles are supplementary when they <span>add up to 180 degrees.

x = angle
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x + 19x - 60 = 180
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3 years ago

Eck<br> Find the sum or dif<br> 3. – 1 + 1<br> Simnlify the

adell [148]

its just 0...

Thats all its -1+1 so it would equal zero

Think about it like this

-1+1 = 1+(-1)

and when you add a negative what are you doing? Subtracting!

so 1-1 equals...?

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