3 years ago

The midpoint of AB is M(-3,2). If the coordinates of A are (-1, -3), what are

Mathematics

1 answer:

BaLLatris [955]3 years ago

3 0

Answer:

the coordinates of B is (-5,7)

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

Ugo [173]

Answer:

$k=\frac{1}{2}$

Step-by-step explanation:

The given rational equation is

$\frac{5k}{k+2}+\frac{2}{k}=5$

The Least Common Denominator is

$k(k+2)$

Multiply each term by the LCD.

$k(k+2)\times \frac{5k}{k+2}+k(k+2)\times \frac{2}{k}=5k(k+2)$

Simplify;

$k\times \frac{5k}{1}+(k+2)\times \frac{2}{1}=5k(k+2)$

$\Rightarrow k(5k)+2(k+2)=5k(k+2)$

Expand;

$\Rightarrow 5k^2+2k+4=5k^2+10k$

Group similar terms;

$\Rightarrow 5k^2-5k^2+2k-10k=-4$

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Divide by -8.

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3 years ago

How many kilograms are in 5500 g? Show all work

podryga [215]

5.5, divide 5,500 by 1,000 to get 5.5 kg.

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3 years ago

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what is the altitude corresponding to the side of length 8.5 CM in a parallelogram whose area is 34 CM square

Crazy boy [7]

Area = length of base × altitude
34 = 8.5 × a
34 = 8.5a
a = 34/8.5
a = 4

The altitude of the corresponding side is 4 cm

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3 years ago

Which graph represents the equation y = x-3?

AlekseyPX

Answer:

The first

Step-by-step explanation:

The intercept is a negative so the line will be going the opposite way

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Suppose y varies directly as x write a direct variation equation that relates x and y

Oksana_A [137]

Answer:

y=2/3x

Step-by-step explanation:

A direct variation equation is y=kx. if k=2/3, then if x was 9,y would be 6.

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