2 years ago

Is B(8,-7) and C(4,-2) find the distance and the midpoint between the pair of points

Mathematics

1 answer:

lukranit [14]2 years ago

6 0

Answer:

The distance is 6.4 or √ 41

The midpoint is ( 6 , − 9 /2 )

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Use the diagram below to answer the question.

Lunna [17]

Answer:

The length of shadow is 69 foot.

Step-by-step explanation:

We are given a shadow of lighthouse.

Length of top of lighthouse to end of shadow is 90 ft.

Angle make at top of lighthouse is 50°

Distance from foot of lighthouse to end of shadow is x ft.

we need to find the length of shadow i,e x ft

Using trigonometry ration:

$\sin\theta=\dfrac{P}{H}$

$\sin50^\circ=\dfrac{x}{90}$

$x=90\times 0.766$

$x=68.94\approx 69\text{ ft}$

Hence, The length of shadow is 69 foot.

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3 years ago

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kumpel [21]

I believe the answer is D

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X=8 she needs 120, she has 45. She needs 75 more. $10 an hour x 8 = $80

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2 years ago

The trinomial x2 + bx + c factors to (x + m)(x + n). If b is negative and c is positive, what must be true about m and n?

julia-pushkina [17]

They must both be negative Answer

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3 years ago

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Which expression is not equivalent to 54x−12 from the amswers below?

DochEvi [55]

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(12x-3)4 equals 48x-12 while the other ones equal 54x-12

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2 years ago