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2 years ago

A line passes through the point (-6,7) and has a slope of -3/2 write in point slope form

Mathematics

1 answer:

Neko [114]2 years ago

7 0

Y - y1 = m(x-x1)
y - 7 = -3/2(x + 6)

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Fudgin [204]

Answer: She added 7x and 3y

Step-by-step explanation: The final answer should be 7x + 3y, not 10xy.

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2 years ago

If the circumference of a circle is divided by the length of its diameter. whats the result

Mnenie [13.5K]

Answer:

3.14 or π (It's the same thing)

Step-by-step explanation:

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3 years ago

The areas of two similar triangles are 72dm2 and 50dm2. The sum of their perimeters is 226dm. What is the perimeter of each of t

astraxan [27]

Answer:

Hence, the perimeter of the triangles are:

P=123.2727 dm

P'=102.7272 dm

Step-by-step explanation:

In two similar triangles:

The ratio of the areas of two triangle is equal to the square of their perimeters.

Let A and A' represents the area of two triangles and P and P' represents their perimeter.

Then they are related as:

$\dfrac{A}{A'}=\dfrac{P^2}{P'^2}$

We are given:

A=72 dm^2 , A'=50 dm^2

and P+P'=226 dm.-----------(1)

i.e. $\dfrac{72}{50}=\dfrac{P^2}{P'^2}\\\\\dfrac{36}{25}=\dfrac{P^2}{P'^2}$

on taking square root on both the side we get:

$\dfrac{P}{P'}=\dfrac{6}{5}\\\\P=\dfrac{6}{5}P'$

Now putting the value of P in equation (1) we obtain:

$\dfrac{6}{5}P'+P'=226\\\\\dfrac{6P'+5\times P'}{5}=226\\\\\dfrac{6P'+5P'}{5}=226\\\\11P'=226\times 5\\\\11P'=1130\\\\P'=\dfrac{1130}{11}=102.7272$

Hence,

P=226-102.7272=123.2727

Hence, the perimeter of the triangles are:

P=123.2727 dm

P'=102.7272 dm

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3 years ago

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MrMuchimi

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Step-by-step explanation:

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3 years ago

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iogann1982 [59]

Answer:

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Step-by-step explanation:

- 5 = $\frac{-5}{1}$ ← in the form $\frac{a}{b}$

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2 years ago