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3 years ago

Drag the tiles to the correct boxes to complete the pairs.

Mathematics

1 answer:

makkiz [27]3 years ago

6 0

Answer:

standard deviation- you can see how far each number varies, on average, from the average value of the list

median- calculates the average of the two numbers in the middle of a set of even count of numbers

mode- this function shows the most frequency occurring number in a set of numbers

rank- with this function you can determine the position of a number in an unarranged array or set

Step-by-step explanation:

i took the test

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Lines a and b are parallel. What is the measure of angle s? Question 4 options: 22 158 44 11 https://screenshots.firefox.com/c21

Temka [501]

If I'm correct 158 and S are supplementary angles, meaning that they both must add up to 180, so to find the answer subtract 158 from 180

180 - 158 = 22
S = 22

7 0

3 years ago

Write each absolute value in a box to show the order from least to greatest.

arsen [322]

Answer:

|–2| |5| |–8| |11| |–12|

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3 years ago

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(3 - i) + (1 - 2i) =

eimsori [14]

(3 - i) + (1 - 2i)
= 3 + 1 - i - 2i
= 4 - 3i

5 0

3 years ago

Amelia launched her science fair rocket, and then backed away. The path of the rocket is given by the equation below, where y is

Mamont248 [21]

Answer:

1)The rocket hit the ground at $x = \frac{5}{4}$

2)The maximum height of the rocket = 12.468 feet

Step-by-step explanation:

Step(i):-

Given equation

y = -2 x² + 5 x + 7 ...(i)

Differentiating equation (i) with respective to 'x' , we get

$\frac{dy}{dx} = -2( 2x) +5(1) = -4x +5$

Equating zero

$\frac{dy}{dx} = 0$

⇒ -4 x +5 =0

⇒ -4 x = -5

⇒ $x = \frac{5}{4}$

The rocket hit the ground at $x = \frac{5}{4}$

Step(ii):-

$\frac{dy}{dx} = -4x +5$ ...(ii)

Again differentiating equation (ii) with respective to 'x' , we get

$\frac{d^{2} y}{dx^{2} } = - 4(1)$

The maximum height at x = $\frac{-5}{4}$

y = -2 x² + 5 x + 7

$y = -2 (\frac{5}{4})^{2} + 5 (\frac{5}{4} ) + 7$

$y = \frac{-2(25)+ 25 (16)+7(64)}{64}$

$y = \frac{798}{64} = 12.468 feet$

The maximum height of the rocket = 12.468 feet

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3 years ago

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SVEN [57.7K]

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Step-by-step explanation:

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3 years ago

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