3 years ago

Please Help :

1 answer:

8 0

the answer is 30 because Shamika sold twice as much balloons as Crystal which is 60. 30+60=90 then Aliya sold 2 more balloons than Crystal which 32+90=122

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Hey can you please help me posted picture of question

AnnZ [28]

I think choice a would be the correct answer. 90.

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4 years ago

Francis heard that a car stereo system was on sale for 30% off. If the sale price was $57.75, what was the original price of the

matrenka [14]

Answer:

$75.08

Step-by-step explanation:

x over 57.75 = 30 over 100

57.75 * 30

1732.5 / 100

17.325

57.75 + 17.325

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Simplify = $75.08

3 0

4 years ago

What are all the roots of the function f(x)= x^3+3x^2-x-3

frozen [14]

Answer:

\mathrm{Domain\:of\:}\:x^3+3x^2-x-3\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:<x<\infty \\ \:\mathrm{Interval\:Notation:}&\:\left(-\infty \:,\:\infty \:\right)\end{bmatrix}

Step-by-step explanation:

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2 years ago

Show that each statement is true: <br> Cos^4X-sin^4X=2cos^2X-1

Ivan

$cox^4x-sin^4x=2cos^2x-1\\\\
(cosx^2-sin^2x)(cosx^2x+sin^2x)=2cos^2x-1\\\\
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4 0

3 years ago

An irregular polygon has its external angles as 28°,40°,120°,142° and x. Find the value of x

zalisa [80]

Answer:

X=30

Step-by-step explanation:

The whole polygon is 360 degrees so:

360-28-40-120-142=X, which is 30

5 0

4 years ago