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Morgarella [4.7K]
2 years ago
13

Find AC if EC = 9, ED = 12, and BD = 20. Round to the nearest tenth.

Mathematics
1 answer:
olga_2 [115]2 years ago
6 0

The value of AC = 23

According to the statement

Here we have given the values of tangent from the diagram

EC = 9, ED = 12, and BD = 20.

and we have to find the value of AC.

We know that the according to the given diagram the tangent

BE is always equal to the Tangent AE.

So, we generate a equation to find the AC then

BE = AE

Convert this into parts like

BD +DE = AC+CE

Substitute the values in it which are given in the statement

20+12 = AC + 9

32 = AC + 9

32 -9 = AC

AC = 23

So, The value of AC = 23

Learn more about TANGENT here brainly.com/question/17040970

#SPJ1

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Anastasy [175]

The inequality is:

     48 c + 200  ≤  (the maximum load allowed on the elevator) .

8 0
3 years ago
What is the slope of a line that has x intercept of 6 and a y intercept of -4
faust18 [17]

Answer:m=(6-0)/(0--2)

m=6/2

m=3

Step-by-step explanation:

4 0
3 years ago
Need help with some practice questions since all are different types I'm asking alot sorry!​
sasho [114]

Answer:

Yes

Step-by-step explanation:

If they're perpendicular, that means that angle ECM = 90 degrees and angle ACE = 90 degrees. To figure out if this works, plug that into the two equations they give:

ECM = 3x + 15

becomes

90 = 3x + 15

75 = 3x

25 = x

ACE = 4x - 10

becomes

90 = 4x - 10

100 = 4x

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Since you get x = 25 for both, you know that they are perpendicular because they both measure 90 degrees

3 0
3 years ago
Simplify the complex fraction. 2 1/2 / 5/8
lbvjy [14]
First do 2 1/2  /  5/8
 5/2/ 5/8=2/5 * 5/8=1/4
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your answer is 1/4
5 0
3 years ago
Read 2 more answers
The function C(x)=−20x+1681 represents the cost to produce x items. What is the least number of items that can be produced so th
Reptile [31]

Answer:

<em>The least number of items to produce is 41</em>

Step-by-step explanation:

<u>Average Cost</u>

Given C(x) as the cost function to produce x items. The average cost is:

\displaystyle \bar C(X)=\frac{C(x)}{x}

The cost function is:

C(x) = -20x+1681

And the average cost function is:

\displaystyle \bar C(X)=\frac{-20x+1681}{x}

We are required to find the least number of items that can be produced so the average cost is less or equal to $21.

We set the inequality:

\displaystyle \frac{-20x+1681}{x}\le 21

Multiplying by x:

-20x+1681 \le 21x

Note we multiplied by x and did not flip the inequality sign because its value cannot be negative.

Adding 20x:

1681 \le 21x+20x

1681 \le 41x

Swapping sides and changing the sign:

41x \ge 1681

Dividing by 41:

x\ge 41

The least number of items to produce is 41

8 0
3 years ago
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