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Svetlanka [38]
4 years ago
8

Please Please Please Please Help Please...

Mathematics
1 answer:
nekit [7.7K]4 years ago
5 0

Answer: correct trigonometric ratios

SinB, tanA and cos A.

Step-by-step explanation:

The right triangle has two sides 5 and 12 , by Pythagoras it's hypotenuse is 13.

Tan B=5/12,

Sin A =12/13

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A room has an area of 60 square meters and a perimeter of 32 meters. What are the length and width of the room?
Dominik [7]

Answer:

6 and 10

Step-by-step explanation:

xy=60

2(x+y)=32

x+y=16

y=16-x

Substitute y into area equation

x(16-x)=60

16x-x^2=60

x^2-16x+60=0

(x-10)(x-6)=0

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7 0
3 years ago
5(x+2)=6x+3x-14 please solve
zavuch27 [327]

Answer:

5(x+2)=6x+3x−14

Step 1: Simplify both sides of the equation.

5(x+2)=6x+3x−14

(5)(x)+(5)(2)=6x+3x+−14(Distribute)

5x+10=6x+3x+−14

5x+10=(6x+3x)+(−14)(Combine Like Terms)

5x+10=9x+−14

5x+10=9x−14

Step 2: Subtract 9x from both sides.

5x+10−9x=9x−14−9x

−4x+10=−14

Step 3: Subtract 10 from both sides.

−4x+10−10=−14−10

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Step 4: Divide both sides by -4.

−4x

−4

=

−24

−4

x=6

Answer:

x=6

7 0
3 years ago
Factorize x^3-2x^2-13x-10
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X^3-2x^2-13x-10=(x+1)(x+2)(x-5)
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