Since the base of a cone is a circle, we substitute 2πr for p and πr2 for B where r is the radius of the base of the cylinder. So, the formula for the lateral surface area of a right cone is L. S. A=πrl , where l is the slant height of the cone .

Step-by-step explanation:

I tired??? sorry if it's wrong???

7 0

4 years ago

You have 45 pencils. Five out of every 9 are yellow pencils and the rest are brown. How many pencils are yellow?

Aleks [24]

Five out of every nine pencils are yellow. You can make a fraction for this:

$\frac{5}{9}$

You have 45 pencils. To find the amount of yellow pencils, multiply the fraction by 45. First set up the equation:

$\frac{5}{9} \times 45$

Make 45 as a fraction so that you'll be multiplying fractions together. It will also make it easier.

To write a whole number as a fraction, <em>ALWAYS</em> make the whole number the denominator and 1 as the numerator.

$45 \rightarrow \frac{45}{1}$

Here is the "new equation":

$\frac{5}{9} \times \frac{45}{1}$

Multiply. You multiply the numerators and denominators together.

$\frac{5}{9} \times \frac{45}{1} =\frac{225}{9} = 25$

That means <u>25</u> pencils are yellow

5 0

3 years ago

Read 2 more answers

vlabodo [156]

The equation of the graphed line 2x + 3y = -6 written in standard form is, $\rm y= -\frac{2}{3}x -2$ and for line 2x + 3y = 6 will be, $\rm y = \frac{-2}{3}x+2$

<h3>What is the equation?</h3>

A mathematical statement consisting of an equal symbol between two algebraic expressions with the same value is known as an equation.

a) 2x + 3y = -6

The line in which the standard form is found as;

Ax + By + C = 0

The typical form of a slope intercept is

y = mx+c

where m denotes the slope and b the line's y-intercept.

$3y= -6-2x\\\\ y=\frac{-6-2x}{3}\\\\ y= -\frac{2}{3}x -2$

To obtain the slope standard form, we rewrite. The obtained equation is in the form of the slope-intercept.

b) 2x + 3y = 6

The line in which the standard form is found as;

Ax + By + C = 0

The typical form of a slope intercept is

y = mx+c

where m denotes the slope and b the line's y-intercept.

$\rm 3y= 6-2x \\\\ y= \frac{6-2x}{3} \\\\ y = \frac{-2}{3}x+2$

Hence, The equation of the graphed line 2x + 3y = -6 written in standard form is, $\rm y= -\frac{2}{3}x -2$

To learn more, about equations, refer;

brainly.com/question/10413253

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What is the equation of the graphed line written in standard form?

2x + 3y = -6, 2x + 3y = 6

Summary:

a. The equation of the graphed line 2x + 3y = -6 written in standard form is y= -2/3 x -2.

b. The equation of the graphed line 2x + 3y = 6 written in standard form is y= -2/3 x +2.

3 0

2 years ago