2 years ago

15. Which measure of central tendency best describes this situation: the swim team's favorite season? Explain.

Mathematics

1 answer:

Natasha2012 [34]2 years ago

5 0

Answer:

Mean; there likely are no outliers.

Step-by-step explanation:

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Use the Quadratic Formula to solve the equation x2 + 4x = – 11.

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Answer:

3rd option is the correct answer

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2 years ago

The circle shown is centered at the origin and contains the point (-4, -2). What is the length of the diameter of the circle? Ro

trasher [3.6K]

Step-by-step explanation:

Equation for circle centered at origin:

x² + y² = r².

Therefore r² = (-4)² + (-2)² = 20, r = √20.

Hence d = 2r = 2√20 = 8.94 (2d.p.)

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Reil [10]

Answer:

$\large\boxed{a(V)=\sqrt{\dfrac{3V}{8}}}$

Step-by-step explanation:

The formula of a volume of a square pyramid:

$V=\dfrac{1}{3}a^2h$

a - base edge

h - height of a pyramid

We have H = 8in.

Substitute and solve for a:

$\dfrac{1}{3}a^2(8)=V\\\\\dfrac{8}{3}a^2=V\qquad\text{multiply both sides by}\ \dfrac{3}{8}\\\\\dfrac{3\!\!\!\!\diagup^1}{8\!\!\!\!\diagup_1}\cdot\dfrac{8\!\!\!\!\diagup^1}{3\!\!\!\!\diagup_1}a^2=\dfrac{3}{8}V\\\\a^2=\dfrac{3V}{8}\Rightarrow a=\sqrt{\dfrac{3V}{8}}$

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2 years ago

Explain what step is incorrect pls help quick!?!??

AlekseyPX

Answer:

Step 1 (IM AM NOT SURE NOT MY FAULT IF ITS WRONG)

Step-by-step explanation:

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3 years ago

PLEASE HELP ME!! I DO NOT UNDERSTAND PLEASE SHOW WORK THANK YOU!!

Oksanka [162]

Answer:

= 10x² + 9x³

Step-by-step explanation:

I'm assuming you mean question 19

3x² + 5x³ + 7x² + 4x³ (rearrange to group like terms)

=3x² + 7x² + 5x³ + 4x³ (factor out common powers)

= (3+7)x² + (5+4)x³

= 10x² + 9x³

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2 years ago