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Viktor [21]
3 years ago
13

In the figure below, tan B - 3. If BC = 15 and DA = 3, what is the length of DE ?

Mathematics
2 answers:
notka56 [123]3 years ago
8 0

Answer: 6

Step-by-step explanation: Because I got this answer correct on a test.

Rom4ik [11]3 years ago
6 0
6 cuz ya
(abcdefghi)
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Write an equation for the line that passes through the points (0,-6) and (-3,0)
lisov135 [29]

Answer:

Then the desired equation is y = -2x - 6.

Step-by-step explanation:

As we move from point (-3, 0) to point (0, -6), x increases by 3 and y decreases by 6.  Thus, the slope of the line segment connecting these two points is m = rise / run = -6/3 = -2.

Now use the slope-intercept equation of a straight line to determine the y-intercept of this line:

y = mx + b becomes 0 = -2(-3) + b, so that b = -6.

Then the desired equation is y = -2x - 6.

Check:  Does (0, -6) satisfy y = -2x - 6?  Is -6 = -2(0) - 6 true?  YES

7 0
3 years ago
If you subtract 14 from twice a number, the result is 6. What is the number?
julia-pushkina [17]

The equation for this statement:

2x – 14 = 6

=> 2x = 6 + 14

=> 2x = 20

=> x = 20/2

=> x = 10

7 0
3 years ago
What is the LCM of 12 46
STALIN [3.7K]

Answer:

To get the Least Common Multiple (LCM) of 12 and 46 we need to factor each value first and then we choose all the factors which appear in any column and multiply them:  

12:    

2

2

3

 

46:    

2

 

 

23

LCM:    

2

2

3

23

The Least Common Multiple (LCM) is:   2 x 2 x 3 x 23 = 276

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
-w=-10+4w<br><br> Step by step to please
mylen [45]

w=2

Step-by-step explanation:

-w=-10+4w

10=4w+w

10=5w

10/5=w

2=w

5 0
3 years ago
Read 2 more answers
You need to buy the supplies to carpet a 15 foot by 14 foot room. The padding costs 0.89 per square foot and the carpeting costs
Troyanec [42]
Area of the room =  14*15 = 210 ft^2
Cost padding = 210*89 =   186.90
Cost of carpet =   210 * 2.99 = 627.90
Perimeter of the room = 2*15 + 2*14 =  58 ft
Cost of strip = 58*0.19 =  11.02

Total cost of supplies = 186.90 + 627.90 + 11.02  =   825.82  Answer
6 0
3 years ago
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