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Ray Of Light [21]
1 year ago
6

(a) Select all that describe BD. B Perpendicular bisector of AC Angle bisector of LB Median of AABC Altitude of A ABC A None of

the above (b) Select all that describe HI. Perpendicular bisector of FG Angle bisector of ZH I Median of AFGH Altitude of AFGH None of the above (c) Select all that describe JM.
Mathematics
1 answer:
Fynjy0 [20]1 year ago
3 0

a) Altitude of triangle ABC

b) Angle bisector of angle H

c) Median of triangle JKL

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Cloud [144]

Answer:

75.36

Step-by-step explanation:

Area of the top of the snowman

A=πr^2

A=3.14(5)^2

A=78.5

A=πr^2

A=3.14(7)^2

A=153.86

The difference of the areas:

153.86-78.5

=75.36

8 0
3 years ago
The current of a river is 3 miles per hour. A boat travels to a point 176 miles upstream and 176 miles back in 19 hours. What is
serious [3.7K]

Answer:

If I am understanding your question, the total upstream is 8 miles and another 8 miles downstream.

Let s = the speed of the boat in still water

d = rt

8 = 5(s + 3)  downstream

8 = 5s + 15  equation 1

8 = 5(s - 3)   upstream

8 = 5s - 15    Add equation 1

8 = 5s + 15 

16 = 10s    Divide both sides by 10.

s = 16/10 = 8/5 = 1.6 mph

 

4 0
2 years ago
The length of a diagonal of a square is 35√2 millimeters. find the perimeter of the square
Volgvan

Answer:

i dk sorry

Step-by-step explanation:

4 0
3 years ago
Suppose that distribution of the daily calcium intake of Americans is left skewed with a mean of 800 mg and a standard deviation
babymother [125]

Answer:

Explained below.

Step-by-step explanation:

According to the Central Limit Theorem if an unknown population is selected with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from this population with replacement, then the distribution of the sample means will be approximately normal.

Then, the mean of the sampling distribution of sample means is given by,

\mu_{\bar x}=\mu

And the standard deviation of the sampling distribution of sample means is given by,

\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}

So, if the sample of daily calcium intake of Americans collected is more than 30, then the sampling distribution of \bar X will be approximately normal.

6 0
3 years ago
When c=_6 and x=2 x-8c
DiKsa [7]

Answer:-46

Step-by-step explanation:

2-8(6)

=-46

5 0
3 years ago
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