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antoniya [11.8K]
3 years ago
12

Someone do this for me pls

Mathematics
1 answer:
Yuliya22 [10]3 years ago
3 0

Answer:

here is your description

Step-by-step explanation:

Scatter Plot one has a negative linear association, which means that the points are <em>arranged</em> in a <em>line</em> that is angled in a downward slope. Hence, the word "negative"

Scatterplot two has no association. The points have no pattern and are scattered around the graph.

hope this helps!

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Find the cosine of angle B.
Alexandra [31]

\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }

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9² = 12² + 15² - 2 (12) (15) cos (B)

81 = 144 + 225 - 360 cos(B)

81 = 369 - 360 cos (B)

360 cos (B) = 369 - 81

360 cos (B) = 288

cos (B) = 0.8

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Answer: Cosine B = 0.8

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\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }

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12² = 15² + 9² - 2 (15)(9) cos (A)

144 = 225 + 81 - 270 Cos A

144 = 306 - 270 Cos A

270 Cos A = 162

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Answer: Cosine Angle A = 3/5

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3 years ago
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Step-by-step explanation:

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Write the sentence as an inequality. A number t multiplied by -4 is at least −2/5
OleMash [197]

Answer:

We conclude that 'A number t multiplied by -4 is at least −2/5' can be algebraically written as inequality such as:

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Step-by-step explanation:

Given

A number t multiplied by -4 is at least −2/5

To determine

Write the sentence as an inequality.

For the inequalities, when we mention 'at least', we can term it as 'greater than or equal to' symbol such as '≥'.

It is stated that A number t multiplied by -4 is at least −2/5.

Let 't' be the number.

Multiplying t by -4 is: -4t

Thus,  A number t multiplied by -4 is at least −2/5 will be written as:

-4t ≥ -2/5

Therefore, we conclude that 'A number t multiplied by -4 is at least −2/5' can be algebraically written as inequality such as:

  • -4t ≥ -2/5
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3 years ago
The diagram shows a triangle 60° 11y 4y What is the value of y? y =​
Vedmedyk [2.9K]

Answer:

y = 8

Step-by-step explanation:

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11y + 4y = 120

15y = 120

y = 8

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3 years ago
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Difference of two squares is of the form (a + b)(a - b) or vice-versa. Here, a = -5x and b = 3.
(-5x - 3)(-5x + 3)
Answer: 3
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3 years ago
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