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Luden [163]
4 years ago
12

Which is a negatively skewed distribution?

Mathematics
1 answer:
Ugo [173]4 years ago
5 0

Answer:

C.

Step-by-step explanation:

Also known as left-skewed distribution, a negatively skewed distribution would have data that are more concentrated on the right side. So you would see a longer tail on the left-side of the distribution or curve. You would find the mean to the left of the median of the data.

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Acellus: what is x= ? cm
vfiekz [6]

Answer:

To find x we use sine

Sine ∅ = opposite/ hypotenuse

x is the opposite

The hypotenuse is 15cm

sin 35° = x / 15

x = 15 sin 35°

x = 8.60

x = 9cm to the nearest tenth

Hope this helps you

3 0
3 years ago
Read 2 more answers
Determine whether f(x)=-4(x+3)^2-5 has a maximum or a minimum value, then find that value
Leto [7]

Answer:

Yes it has

Step-by-step explanation:

From my perspective.........

f(x) = -4(x + 3)² - 5

f(x) = -4(x + 3)(x + 3) - 5

f(x) = -4(x² + 6x + 9) - 5

f(x) = -4x² - 24x - 36 - 5

f(x) = -4x² - 24x - 41

Dy/dx = -8x - 24

At minimum Dy/dx = 0

-8x - 24 = 0

-8x = 24

x = 24/-8

x = -3

At minimum

y = -4x² - 24x - 41

y = -4(-3)² - 24(-3) - 41

y = -4(9) + 72 - 41

y = -36 + 72 - 41

y = 36 - 41

y = -5

5 0
3 years ago
Solve cos x - square 1-3 cos^2 x = 0 given that 0° < x < 360°
Furkat [3]

Rearrange the equation as

cos(x) - √(1 - 3 cos²x) = 0

cos(x) = √(1 - 3 cos²x)

Note that both sides have to be positive, since the square root function is non-negative. If we end up with any solutions that make cos(x) < 0, we must throw them out.

Take the square of both sides.

(cos(x))² = (√(1 - 3 cos²(x))²

cos²(x) = 1 - 3 cos²(x)

4 cos²(x) = 1

cos²(x) = 1/4

cos(x) = ± √(1/4)

cos(x) = ± 1/2

We throw out the negative case and we're left with

cos(x) = 1/2

This has general solution

x = arccos(1/2) + 360° n   or   x = -arccos(1/2) + 360° n

(where n is any integer)

x = 60° + 360° n   or   x = -60° + 360° n

Now just pick out the solutions that fall in the interval 0° ≤ x < 360°.

• From the first solution set, we have x = 60° when n = 0.

• From the second set, we have x = 300° when n = 1.

So the answer is D.

4 0
3 years ago
William recorded data to determine the relationship between the time usage, x, and the percentage of charge left on his mobile p
mart [117]
The answer is B. In 10 hours, the phone would completely lose its charge.
Y=-10(10)+100=-100+100=0
8 0
4 years ago
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The word Mathematics is consisted of consonants and vowels. What
Masteriza [31]
4/11=36.36%
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