2 years ago

△DNS∼△ARH .

Mathematics

1 answer:

nasty-shy [4]2 years ago

3 0

Answer:

i sry i need points

Step-by-step explanation:

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Find the value of the expression 3q - 6 when q = -2

Black_prince [1.1K]

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Solving Rational equations. LCD method. Show work. Image attached.

Dmitry [639]

Answer:

$b=1$

Step-by-step explanation:

The given rational equation is

$\frac{2b-5}{b-2} -2=\frac{3}{b+2}$

The Least Common Denominator is $(b+2)(b-2)$ .

Multiply each term in the equation by the LCD.

$(b+2)(b-2)\times \frac{2b-5}{b-2} -(b+2)(b-2)\times2=(b+2)(b-2)\times\frac{3}{b+2}$

Simplify;

$(b+2)\times \frac{2b-5}{1} -2(b+2)(b-2)=(b-2)\times\frac{3}{1}$

$(b+2)(2b-5) -2(b+2)(b-2)=3(b-2)$

Expand and group similar terms

$2b^2-5b+4b-10 -2(b^2-4)=3b-6$

$2b^2-5b+4b-10 -2b^2+8=3b-6$

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2 years ago

Which is an equation of the line that passes through the points (-1,9) and (4, 24)?

choli [55]

Answer:

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Step-by-step explanation:

Slope (m) = 24-9/4-(-1)

= 25/5

= 3

Using point (-1 , 9)

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y - 9 = 3 (x + 1)

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y = 3x + 3 + 9

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Answer:

Step-by-step explanation:

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