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Paha777 [63]
2 years ago
15

COMPLETE h 50 The sum n(n+6) = + 1575 RETRY

Mathematics
1 answer:
ycow [4]2 years ago
6 0

9514 1404 393

Answer:

  50575

Step-by-step explanation:

The correct answer choice is marked. Evaluating it gives ...

  the sum is 50,575

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goldenfox [79]

Answer:

I/rt =P

Step-by-step explanation:

to get ride of the r and t u need to divide

divide by rt

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Math help ;x please help <br> asap skdsk <br> 10 points!
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Answer:

C.

Step-by-step explanation:

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The given line is

y = (4/5)x - 1

and has slope 4/5.

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A 9-foot piece of twine costs $9.72. What is the price per inch?
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3 years ago
Read 2 more answers
Find the angle measure indicated to the nearest tenth:
makvit [3.9K]

Step-by-step explanation:

Sin<D = Opposite / Hypotenuse

Opposite - EC

Hyp - DE

Sin<D = EC/DE = x/9

we need x to find <D.

so -->Use pythagorean theorem.

DE^2 = EC^2 + DC^2

DE = 9 DC = 7 EC = ?

EC^2 = DE^2 - DC^2 rearranged.

= 9^2 - 7^2

= 81 - 49

EC^2 = 32 Put both sides under square root.

√(EC^2) = √32

EC = 4√2 ~ 5.65.

We now have X which was representing the unknown side EC.

Sin<D = EC/DE = 5.65/9 = 0.627

To find <D Take the sine inverse of of 0.627.

<D = Arcsin(0.627) = 38.82°.

We now know <D. It's <E's turn.

A right angle triangle has a summation of interior angles of 180°.

thus, <em><D + <C + <E = 180°</em>

38.82° + 90° + <E = 180°

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subtract both sides by 128.82°

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6 0
2 years ago
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