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3 years ago

What is 2937082 in expanded form

1 answer:

7 0

The expanded form for this problem is 200,000 +90,000 +30,000+7,000 +50 +8

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Use the geometric model to factor x^2-9

inysia [295]

Answer:

(x - 3)(x + 3)

Step-by-step explanation:

a² - b² = (a - b)(a + b)

x² - 9 = (x - 3)(x + 3)

8 0

3 years ago

I NEED HELP NOW PLZ !!!! 3/4 ÷ 16

romanna [79]

Possible Answer: 0.046874

My Steps: 3÷4=0.75

0.75÷16=0.046875

‍♂️

3 0

3 years ago

Read 2 more answers

Which of these is not included in the set of rational numbers?

Sonbull [250]

Answer:

All non-terminating decimals

Step-by-step explanation:A real number has to be written a fraction form

ex √2=1.41421356237

6 0

3 years ago

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Find dy/dx of y=csc(square root of x)

Vitek1552 [10]

Answer:

$y' = -\dfrac{\cot x \csc x}{2 \sqrt{x}}$

Step-by-step explanation:

y = csc x

y' = -cot x csc x

$y = \csc \sqrt{x}$

$y' = \dfrac{d}{dx} [\csc \sqrt{x}]$

$y' = (-\cot x \csc x) \dfrac{d}{dx} \sqrt{x}$

$y' = (-\cot x \csc x) \dfrac{d}{dx} x^{\frac{1}{2}}$

$y' = (-\cot x \csc x) \dfrac{1}{2} x^{-\frac{1}{2}}$

$y' = -\dfrac{\cot x \csc x}{2 \sqrt{x}}$

5 0

3 years ago

What is the realationship between the area of the scales ⚖️ used in pictures ?

dlinn [17]

<h2>Explanation:</h2>

As I understand, you need to know the relationship between the area of similar figures. Two shapes are similar if we can turn one into the other by moving, rotating, flipping, or scaling, so this means we can make one shape bigger or smaller.

From math, if we call $k$ the scaling factor, then the area of one figure ( $A_{1}$ ) divided by the area of another similar figure ( $A_{2}$ ) will be equal to the scaling factor squared. In other words:

$\frac{A_{1}}{A_{2}}=k^2$

3 0

3 years ago