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3 years ago

From the roof of a house the angle of depression of

Mathematics

1 answer:

sp2606 [1]3 years ago

6 0

Answer:

GB = CD = 20 ft, GC = BD = 10√3 ft, ∠FAC = 30°, AB = ? Or, AG = 10 ft. hence, the height of the house (AB) = 30 feet is the required answer.

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4(x-2)-3 is greater than or equal to -3(-2+6)+2

masya89 [10]

Answer:

The answer can be calculated by doing the following steps;

Step-by-step explanation:

6 0

3 years ago

Pls help (:<br> refer to the attachment:

Alchen [17]

A is the answer, should be

8 0

4 years ago

The following are weights in pounds of a college sports team: 165, 171, 174, 180, 182, 188, 189, 192, 198, 202, 202, 225, 228, 2

babunello [35]

Answer:

There are no values in the data that is two standard deviations below the mean.

Step-by-step explanation:

We are given the following data set in question:

165, 171, 174, 180, 182, 188, 189, 192, 198, 202, 202, 225, 228, 235, 240

Formula:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{2971}{15} = 198.06$

The mean of sample is 198.06 pounds.

Sum of squares of differences = 7984.93

$S.D = \sqrt{\dfrac{7984.93}{14}} = 23.88$

The sample standard deviation is 23.88 pounds.

We have to find the weight that is 2 standard deviations below the mean.

$x < \bar{x}- 2s\\x < 198.06 -2(23.88)\\x < 150.3$

Thus, we have to find a value less than 150.3.

Sorted data: 165, 171, 174, 180, 182, 188, 189, 192, 198, 202, 202, 225, 228, 235, 240

There are no values in the data that is less than 150.3

4 0

4 years ago

Solve for all missing angles.<br> Show Your Work

Ksju [112]

Answer:

Check the image. I have solved every angle. hope this helps. pls give brainliest if possible.

3 0

3 years ago

The distributive property of 27+60 ??

xxTIMURxx [149]

Answer:

Step-by-step explanation:

27+60= 87

5 0

3 years ago