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3 years ago

Helpppppp!.!.!.!.!.!.!.!.!.!!.

Mathematics

1 answer:

Flura [38]3 years ago

3 0

Answer:

~ 84 cm of the pop in the poster ~

Step-by-step explanation:

Let us plan out our steps, and solve for each:

1. Given the information, let us create a proportionality as such:

7 = 1 ⇒ x - centimeters of the pop in the poster

x 12

2. Now let us cross multiply, and solve through simple algebra for x:

7 * 12 = x,

x = 84 centimeters of the pop in the poster

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−13π/5 find the reference angle

miss Akunina [59]

I would convert to degrees first seems to make it easier.
$\frac{-13 \pi }{5}$ × $\frac{180}{ \pi }$
= -468
by adding 360 twice we get the coterminal angle 252

252 is in the 3rd quadrant so 180 is the closest angle on the x-axis
ref angle = 252 - 180 = 72

If necessary convert back to radians... $72( \frac{ \pi }{180} )= \frac{2 \pi }{5}$

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3 years ago

What is the slope of the line that passes through (-2, 7) and (4, 9)?

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3 years ago

Read 2 more answers

Which of the following expressions represents "no more than 5”?

zepelin [54]

Answer:

"no more than 5"

"less than or equal to 5"

$x \le 5$ .

I can't see your inequalities or the thing your question called expressions.

Step-by-step explanation:

If is no more than it is less than or equal to.

So no more than 5 means less than or equal to 5.

$x \le 5$ .

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3 years ago

Please include work!

aleksandrvk [35]

Answer:

A) y = x^2 -1

B) -y = 2x^2 +1 We multiply B) by -1

B) y = -2x^2 -1

We can then say x^2 -1 = -2x^2 -1

3 x^2 = 0

x = 0

************* Double-Check: ******************

Equation A) y = -1 and

Equation B) y = -1

Step-by-step explanation:

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shepuryov [24]

Answer:

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Step-by-step explanation:

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2 years ago