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3 years ago

What is the point-slope form of an equation with the slope of 3/5 that passes through the point (10, –2)?

Mathematics

1 answer:

aleksandrvk [35]3 years ago

6 0

Hello,

y+2=3/5(x-10)

or
y=3/5 x -8

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The sector COB is cut from the circle with center O. The ratio of the area of the sector removed from the whole circle to the ar

mafiozo [28]

Answer:

$Ratio = \frac{R^2 - r^2 }{ r^2}$

Step-by-step explanation:

Given

See attachment for circles

Required

Ratio of the outer sector to inner sector

The area of a sector is:

$Area = \frac{\theta}{360}\pi r^2$

For the inner circle

$r \to radius$

The sector of the inner circle has the following area

$A_1 = \frac{\theta}{360}\pi r^2$

For the whole circle

$R \to Radius$

The sector of the outer sector has the following area

$A_2 = \frac{\theta}{360}\pi (R^2 - r^2)$

So, the ratio of the outer sector to the inner sector is:

$Ratio = A_2 : A_1$

$Ratio = \frac{\theta}{360}\pi (R^2 - r^2) : \frac{\theta}{360}\pi r^2$

Cancel out common factor

$Ratio = R^2 - r^2 : r^2$

Express as fraction

$Ratio = \frac{R^2 - r^2 }{ r^2}$

6 0

2 years ago

Simplify.

NikAS [45]

= (16x3 - 8x2 + 4x4) / 2x

= 4x * (4x2 - 2x + x3) / 2x

= 2 * (4x2 - 2x + x3)

= 8x2 - 4x + 2x3

Answer A

4 0

3 years ago

Read 2 more answers

5 pockets of potatoes R125,00. how much will 4 pockets cost?

dsp73

Cost of 1pocket of potatoes = 5/125
=25
só,
4pockets = 25 multiply by 4 = 100

your answer is 100

Hi! (◕‿◕)

5 0

3 years ago

HELP ASAP WILL MARK BRAINLIEST<br><br> Which equation is true?

sesenic [268]

Answer:

C Hope this helps This may be wrong though

Step-by-step explanation:

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1 year ago

A park ranger has 32 feet of fencing to fence four sides of a rectangular recycling site. What is the greatest area of recycling

wariber [46]

The greatest area he can fence is 64 ft².

In order to maximize area and minimize perimeter, we use dimensions that are as close to equivalent as possible. 32 feet of fence for 4 sides gives us 8 feet of fence per side. We would have a square whose side length is 8; the area would be 8*8 = 64.

8 0

3 years ago

Read 2 more answers