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chia-ying chiu

chia-ying c.

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Here are 3 polygons. Draw a scaled copy of Polygon A using a scale factor of 2 . Draw a scaled copy of Polygon B using a scale factor of $\frac{1}{2}$. Draw a scaled copy of Polygon C using a scale factor of $\frac{3}{2}$.

Here are 3 polygons. Draw a scaled copy of Polygon A using a scale factor of 2 . Draw a scaled copy of Polygon B using a scale factor of $\frac{1}{2}$. Draw a scaled copy of Polygon C using a scale factor of $\frac{3}{2}$.

Grade 7 Mathematics: Open Up Resources, Common Core State Standards Edition

Scale Drawings

Making Scaled Copies
Use algebra to evaluate the limit. $$\lim _{h \rightarrow 0} \frac{(3+h)^{2}-(3-h)^{2}}{2 h}$$

Use algebra to evaluate the limit. $$\lim _{h \rightarrow 0} \frac{(3+h)^{2}-(3-h)^{2}}{2 h}$$

Calculus Single Variable

Key Concept: The Derivative

How Do We Measure Speed?

Questions asked

INSTANT ANSWER

A. Write the letter of the point on the graph that matches the ordered pair. \( \qquad \) \( \left(-3, \frac{\pi}{3}\right) \) \( \qquad \) \( \left(3, \frac{-5 \pi}{3}\right) \) \( \qquad \) \( \left(-3, \frac{-\pi}{3}\right) \) \( \qquad \) \[ \left(3, \frac{-7 \pi}{3}\right) \]

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Ivan Kochetkov verified

Numerade educator

A charity lottery sells a thousand tickets at $100 each. First prize is a house worth $500,000. Five second prizes are worth $1,000 each. What is the expected value of a ticket?

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Ankur S verified

Numerade educator

10. The radius of a sphere is increasing at a rate of 6 cm/s. How fast is the volume increasing when the diameter is 40 cm? The formula for the volume of a sphere with radius r is V = 4/3 ?r³. a. 9,600? cm/s b. 960? cm³/s c. 9,600? cm³/s d. 960? cm/s

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Scott Stetson verified

Numerade educator

19. What is the definite integral that represents the area of the region bounded by the graphs of y? = 5 - x² and y? = -3x - 5? a. ?_{-?5}^{?5}(5 - x²) dx b. ?_{-?5}^{?5}(x² - 3x - 10) dx c. ?_{-2}^{5}(-x² + 3x + 10) dx d. ?_{-2}^{5}[(5 - x²) + (-3x - 5)] dx

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Eduard Sanchez verified

Numerade educator

18. What is the trapezoidal approximation for the integral ( int_{0}^{4} sqrt{x} d x ), using 4 subintervals? a. 5.333 b. 12.293 c. 10.293 d. 5.146

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Khushbu Rani verified

Numerade educator

n + 5 > -8n

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Khushbu Rani verified

Numerade educator

( egin{array}{c}x+y+z=4 \ y+3 z=-2 \ 2 x+y-2 z=12end{array} )

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Savannah Chernetsky verified

Numerade educator

1. Evaluate (No calculator) a. ( arcsin frac{-sqrt{2}}{2} ) b. ( an ^{-1}left(frac{-sqrt{3}}{3} ight) ) c. ( arccos 3 pi )

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Matthew Wagner verified

Numerade educator

Use the polygon below to answer the questions. (a) Create a polygon JKLMNOPQ that is a dilation of polygon ABCDEFGH with a scale factor of 3 about the origin. (b) Create a polygon STUVWXYZ that is a dilation of polygon ABCDEFGH with a scale factor of 1/3 about the origin. (c) Are polygons JKLMNOPQ and STUVWXYZ similar to each other? If they are, what is the scale factor by which one can be dilated to coincide with the other?

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ANSWERED

Matthew Wagner verified

Numerade educator

3. What is a sequence of transformations that maps polygon ABCDEFGH to A'B'C'D'E'F'G'H'?

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