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amid [387]
3 years ago
13

Last Question On The Quiz Middle School Math Medium/Easy

Mathematics
1 answer:
VikaD [51]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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Please help! See algebra question..
zhenek [66]

Answer:

n=-10

Step-by-step explanation:

n+3=-7

n=-7-3

n=-10

this helps thank you

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I NEED THIS ASAP WHOEVER GETS FIRST GET BRAINLIEST
Rina8888 [55]

Answer:

It is A

Step-by-step explanation:

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3 years ago
Mathematical connection A lighthouse casts a revolving beam of light as far as the pier
Alexandra [31]

The light's coverage area is given mathematically as i.e. Area=\pi d^{2}

Given that a lighthouse casts a revolving beam of light as far as they peir and asked the area is covered.

The revolving beam of light covers the whole space i.e entirely 360°

I.e. it forms a circle-like region

Area of circle = \pi r^{2}{ where r is the radius of circle}

Let's assume the distance traveled by light as "d"

as it forms a circular region, it forms a circle of radius "d"

Mathematical connection i.e. area of the region

⇒area of circular region=\pi d^{2} {where d is the radius of region}

Learn more about area here:

brainly.com/question/27683633

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4 0
2 years ago
5. Find cos theta if sin theta= -12/13<br> and tan theta &gt; 0. (6 points)
ziro4ka [17]

\text{Given that,}\\\\\sin \theta = -\dfrac{12}{13}\\\\\implies \sin^2 \theta = \dfrac{144}{169}\\\\\implies 1- \cos^2 \theta = \dfrac{144}{169}\\\\\implies \cos^2 \theta = 1- \dfrac{144}{169}\\\\\implies \cos^2 \theta = \dfrac{25}{169}\\\\\implies \cos \theta = \pm \sqrt{\dfrac{25}{169}} = \pm \dfrac 5{13}\\\\\\\text{Since,}~ \tan \theta >0,\\\\\cos \theta =- \dfrac{5}{13}

8 0
2 years ago
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erma4kov [3.2K]

Answer:

1 A, 2c, 3A,

4 P= 2(6x-1) + 2(2)   P=12x +2

Step-by-step explanation:

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3 years ago
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