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Slav-nsk [51]
3 years ago
5

10(8r+23) =1430 HELP PLS ITS FOR MY HW PLS PLS PLS

Mathematics
1 answer:
Mademuasel [1]3 years ago
7 0

Answer:

r = 15

Step-by-step explanation:

10(8r + 23) = 1430

Divide both sides by 10.

8r + 23 = 143

Subtract 23 from both sides.

8r = 120

Divide both sides by 8.

r = 15

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Step-by-step explanation:

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The sail of a boat is in the shape of a right triangle, as shown below:
dolphi86 [110]
Answer: Choice C
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=====================================

Explanation:

Abbreviations:
sec = secant
cot = cotangent
cosec = cosecant (csc is also a widely used abbreviation)

-----------------

Let the horizontal leg be x

This leg is opposite the angle 50 degrees. The hypotenuse is 7

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We'll either use the sine rule or the cosecant (csc) rule
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Since "sine" is nowhere to be found in the answer choices, we'll use the cosecant rule

-----------

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6 0
2 years ago
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