What is the equation of the line that passes through the point (2,-1) and has a slope of 3/2

Mathematics

1 answer:

Assoli18 [71]3 years ago

5 0

Answer:

y=3/2x-4

Step-by-step explanation:

y=3/2x+b

-1=3/2(2)+b

-1=3+b

-4=b

y=3/2x-4

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The sides of two triangles are in the ratio of 1:2. If the lengths of the sides of the first triangle are 5cm,9cm and 11 cm what

Sergeu [11.5K]

The lengths of sides of second triangle are:

10cm, 18cm and 22cm

Step-by-step explanation:

Given

Ratios of sides of triangle=> 1:2

Given sides of a triangle:

5cm,9cm and 11 cm

The ratio 1:2 means that for each 1 cm in first triangle, there are 2 cms in seconds triangle. This simply means that the sides of the second triangle are double of the first triangle.

So,

The sides of the second triangle are:

$Side1: 5*2 = 10\\Side 2: 9*2 = 18\\Side3 = 11*2 = 22$

Hence,

The lengths of sides of second triangle are:

10cm, 18cm and 22cm

Keywords: Triangles, ratios

Learn more about ratios at:

#LearnwithBrainly

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3 years ago

What is the approximate volume of the cone? Use 22 for it. Enter your answer in the box.

Ksivusya [100]

Step-by-step explanation:

$\frac{1}{3} ( \frac{22}{7} ) {(3)}^{2} (14) \\ \frac{1}{3} ( \frac{22}{7})(9)(14) \\ \frac{1}{3}( \frac{22}{7}) (126) \\ 42( \frac{22}{7}) \\ \frac{924}{7} \\ 132{cm}^{3}$