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3 years ago

PLEASE HELP ASAP! given that the measurement is in centimeters find the area of the circle to the nearest tenth use 314 for π

Mathematics

1 answer:

strojnjashka [21]3 years ago

7 0

Answer:

28.3 cm^2

Step-by-step explanation:

We know the radius is 3 cm

To find the area we use

A = pi r^2

pi = 3.14 and r =3

A = (3.14) * (3)^2

3.14 *9

28.26 cm^2

To the nearest tenth

28.3 cm^2

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Write an equation that is perpendicular to and 3x+y=3 whose y-intercept 5. Anyone please help me, no link just explain how to do

Liula [17]

Answer:

$y = \frac{1}{3}x + 5$

Step-by-step explanation:

By definition, two lines are perpendicular if and only if their slopes are negative reciprocals of each other: $m = - \frac{1}{m_{2} }$ , or equivalently, $m_{1} * m_{2} = -1$ .

Given our linear equation 3x + y = 3 (or y = -3x + 3):

We can find the equation of the line (with a y-intercept of 5) that is perpendicular to y = -3x + 3 by determining the negative reciprocal of its slope, -3, which is $\frac{1}{3}$ .

To test whether this is correct, we can take first slope, $m_{1} = -3$ , and multiply it with the negative reciprocal slope $m_{2} = \frac{1}{3}$ :

$m_{1} * m_{2} = -1$

$-3 * \frac{1}{3} = -1$

Therefore, we came up with the correct slope for the other line, which is $\frac{1}{3}$ .

Finally, the y-intercept is given by (0, 5). Therefore, the equation of the line that is perpendicular to 3x + y = 3 is:

$y = \frac{1}{3}x + 5$

7 0

2 years ago

What is the value of y when x = 1 y = -1 y = -1 y = 2 y = 2 y = 5 y = 5 y = 3

storchak [24]

Answer:

where does it stopes

Step-by-step explanation:

3 0

2 years ago

PLEASE HELP AND ANSWER ASAP!!!!! NO WORK NEEDED TO BE SHOWN!! JUST THE ANSWER IS GOOD!!! PLEASE!!! I"LL GIVE BRAINLIEST 30 POINT

WITCHER [35]

1) (green)
A = 1/2(4+8)(6)
A = 1/2(12)(6)
A = 36

2) (pink)
A = 1/2(8+16)(14)
A = 1/2(24)(14)
A = 168

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3 years ago

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19,129 divided by 37

Marina CMI [18]

Answer: 517

Step-by-step explanation:

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2 years ago

The linear equation y = 4x represents the number of bracelets y that Jolene can make in x hours. Which ordered pair lies on the

cestrela7 [59]

I'm not sure if there are any choices. But to find an ordered pair on the graph, you can plug any value in for x and solve for y.

For example, if we plug in a 0 for x, we get a 0 for y
y=4*0

Or if we plug in a 1 for x, we get a 4 for y
y=4*1

So two ordered pairs are (0,0) and (1,4)

Hope this helps

5 0

3 years ago

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