3 years ago

Given that the measurement is in centimeters, find the area of the circle to the nearest tenth. (Use 3.14 for radius)

Mathematics

1 answer:

ahrayia [7]3 years ago

4 0

Are you sure that the radius is 3.14? Cause 3.14 is pie

You might be interested in

create a sketch of the graph of a function whose gradient is linear and that gradient has an x-intercept at x=4

valentina_108 [34]

Here is one that meets your requirements.

7 0

3 years ago

What is the slope of (-18,-20),(-18, -15)

Rzqust [24]

Answer:

Undefined.

Step-by-step explanation:

$m = \frac{rise}{run}$

$m = \frac{ - 15 - ( - 20)}{ - 18 - ( - 18)} \\ m = \frac{ - 15 + 20}{ - 18 + 18} \\ m = \frac{5}{0}$

The denominator is 0. Therefore, the slope is undefined.

4 0

3 years ago

Write an equation representing the direct variation.

zalisa [80]

Answer:

y = -2.5x

Step-by-step explanation:

The constant of variation = y/ x = 5/-2 = -2.5

Also -7.5 / 3 = -2.5

-10 /4 = -2.5 and so on

3 0

3 years ago

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is

svetoff [14.1K]

Answer:

Number of families in the sample is 218 families

Step-by-step explanation:

Given:

There are 24 families in the sample that turned on television for 21hours or less.

The 11th percentile of the data is 21hours .

The mean of the data is 36hours.

The standard deviation is 32.2hours.

To calculate number of families in the sample = 24 / 0.11 = 218 families

4 0

3 years ago

1 | Expand and simplify:<br> 5(a + 2) + 3(a + 1)

Ymorist [56]

5a + 10 + 3a + 3
8a + 13

6 0

3 years ago