2 years ago

The upper quartile of a set of data is the mode of the upper half of the data. True or False

Mathematics

1 answer:

bonufazy [111]2 years ago

7 0

I think its true because you can find out the q1 and q3

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Is 4.5 natural number?

vfiekz [6]

Answer:

Step-by-step explanation:

4.5 IS NOT A WHOLE NUMBER!

4 0

3 years ago

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Consider the surface z = x 2+4y 2+1. Suppose you are walking on this surface directly above a curve C in the xy-plane, where the

Bess [88]

With $x(t)=\cos t$ and $y(t)=\sin t$ , we have

$z(t)=x(t)^2+4y(t)^2+1$

$z(t)=\cos^2t+4\sin^2t+1$

$z(t)=3\sin^2t+2$

Then $z(t)$ has critical points where

$\dfrac{\mathrm dz}{\mathrm dt}=6\sin t\cos t=3\sin2t=0$

$\implies\sin2t=0\implies2t=n\pi\implies t=\dfrac{n\pi}2$

where $n$ is any integer.

$z(t)$ is increasing wherever $\sin2t>0$ , which happens for

$\dfrac{2n\pi}2$

$\boxed{n\pi$

5 0

3 years ago

If two fair dice are rolled, find the probability of a sum of 6 given that the roll

Aliun [14]

Total outcomes of two rolled dice = 6 x 6 = 36

Possibilities for sum of 6 are 3 + 3, 4 + 2, 2 + 4, 5 + 1, 1 + 5. So total possibilities for sum of 6 are five.

<span>Hence the probability for the sum of 6 = 5/36</span>

7 0

3 years ago

Prove sin^2(pi÷8+a)-sin^2(pi÷8-a)=√2÷2sin 2a help me, thanks

Mkey [24]

Answer:

True

Step-by-step explanation:

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3 years ago

Write an equation using four numbers that multiply to 0, neither of which are opposites.

guapka [62]

Answer:

0 x anything = 0

Step-by-step explanation:

Anything multiplied by 0 = 0

4 0

2 years ago