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3 years ago

NEED HELP will give BRAINLY

Mathematics

1 answer:

LenKa [72]3 years ago

8 0

Answer:

y=1x+8

Step-by-step explanation:

The best way to remember the formula is y=mx+b aka (your mom's ex bf)
Just by looking at the slope you can automatically tell it's moving by one so in your formula, 'm' is the slope.
Add 1x to replace 'm' or you can leave x alone because x is already one, your choice.
b is the indication on where your slope started in the y-axis.
In this case, by looking at the y-axis on the graph, the slope starts at 8 so that will be your b.
Therefore, your answer is y=1x+8

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A cone and a cylinder have the same height and their bases are congruent circles

Anettt [7]

Answer:

$30cm^3$

Step-by-step explanation:

the volume of a cylinder is given by:

$v_{cylinder}=\pi r^2 h$

and the volume of a cone is given by:

$v_{cone}=\frac{\pi r^2 h}{3}$

since both have the same height and radius, we can solve each equation for $r^2h$ (because this quantity is the same in both figures) and then match the expressions we find:

from the cylinder's volume formula:

$r^2h=\frac{v_{cylinder}}{\pi}$

and from the cone's volume formula:

$r^2h=\frac{3 v_{cone}}{\pi}$

matching the two previous expressions:

$\frac{v_{cylinder}}{\pi} =\frac{3v_{cone}}{\pi}$

we solve for the volume of a cone $v_{cone}$ :

$v_{cone}=\frac{\pi v_{cylinder}}{3\pi} \\\\v_{cone}=\frac{v_{cylinder}}{3}$

substituting the value of the cylinder's volume $v_{cylinder}=90cm^3$

$v_{cone}=\frac{90cm^3}{3} \\\\v_{cone}=30cm^3$

5 0

4 years ago

Read 2 more answers

Which of the following points lies on the graph of this equation? 2y=x+3

Dimas [21]

Since you didn't provide the points, we can't find the exact answer. However, I can explain how to do the problem for you.

To test the point, just plug in the x and y values and see it the statement is true or false.

Let's try: (3, 4)

Plug in the points and evaluate:

2(4) = 2 + 3
8 = 6
FALSE

Since this is a false statement, then the point is not on the line.

5 0

4 years ago

Pleasseeee help I'll give you brainlest answers Determine the type of triangle that is drawn below .

Naya [18.7K]

Answer:

Scalene Acute

Step-by-step explanation:

All the sides have different lengths, and all the angles are less than 90˚ so I'm pretty sure it's a scalene acute triangle.

7 0

3 years ago

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Which of the following statements about this is true??