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BlackZzzverrR [31]
4 years ago
11

Please help!! MATH | WILL MARK BRAINLIEST!! 40 POINTS

Mathematics
1 answer:
EastWind [94]4 years ago
6 0

Answer:

cos= -12/13

tan= 5/12

cot= 12/5

sec= -13/12

csc= -13/5

Step-by-step explanation:

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Step-by-step explanation:

A. b x 30 = 7E. b x 7 =30C. b = 30 + 7

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3 years ago
La suma del cuadrado de un número más el triple del mismo número es igual a dieciocho. Encuentra dicho número.
Genrish500 [490]

If the sum of the square of a number plus the triple of the same number equals eighteen, the required numbers are 3 and -6

Let the unknown number be x

The square of the number is expressed as x²

Triple of the unknown number will also be expressed as 3x

Taking the sum of both numbers and equating it to 18 will give;

x^2 + 3x = 18\\x^2 + 3x - 18 =0

Factorize the resulting equation:

x^2+3x -18=0\\x^2+6x-3x-18=0\\x(x+6)-3(x+6)=0\\(x-3)(x+6)=0\\x= 3 \ and \ -6

Hence the required numbers are 3 and -6

Learn more here; brainly.com/question/13805464

3 0
3 years ago
PLS HELP ME
Tcecarenko [31]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
The length of a rectangle is 4 centimeters more than twice its width, If the perimeter of the rectangle is 86 centimeters, find
AlekseyPX
Rectangle formula 1/2 ×b × H × l
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___ × 4 × 86 × 2 = 344 totally answer
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4 years ago
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Igoryamba

Answer:

9.  2a + 14

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8 0
3 years ago
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