3 years ago

Write 13/3 as a decimal

Mathematics

1 answer:

scoundrel [369]3 years ago

6 0

4.33 (rounded off to 2dp)

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n200080 [17]

Answer:

x = 3

Step-by-step explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

10x + 2 is an exterior angle of the triangle, thus

10x + 2 = 2x + 1 + 25

10x + 2 = 2x + 26 ( subtract 2x from both sides )

8x + 2 = 26 ( subtract 2 from both sides )

8x = 24 ( divide both sides by 8 )

x = 3

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3 years ago

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Solve the equation for the specified variable.<br> T= BA-9, for B<br> What does b=

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Answer:

$B=\dfrac{T+9}{A}$

Step-by-step explanation:

Add 9 to both sides of the equation, and divide by the coefficient of B.

T = BA -9

T +9 = BA

(T +9)/A = B

We can rewrite that with B on the left:

B = (T +9)/A

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3 years ago

Trimming a garage door a carpenter used 30 ft of molding in three pieces to trim a garage door. if the long piece was 2 ft longe

Ksju [112]

Answer:

Step-by-step explanation:

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2 years ago

2(x-+2)+4=6x-4(-1+x)

sertanlavr [38]

2x-4+4=6x+4-4x

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3 years ago

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PLEASE HELP!! if sec x=5/3 what is the value of b? NL=20 LM=3b angle of L is x degrees.

Readme [11.4K]

Answer:

a. b=4

Step-by-step explanation:

$\sec \theta =\dfrac{1}{\cos \theta} = \dfrac{Hypotenuse}{Adjacent}$

From the attached triangle drawn below:

NL=20, LM=3b, $\angle L=x^\circ$

$\sec x =\dfrac{20}{3b}$

Since we are told that:

$\sec x =\dfrac{5}{3}\\$Then:\\\dfrac{20}{3b} =\dfrac{5}{3}\\$Cross multiply\\5 \times 3b =20 \times 3\\15b=60\\$Divide both sides by 15\\15b \div 15 =60 \div 15\\b=4$

The correct option is A.

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3 years ago