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Margarita [4]
2 years ago
9

Triangle A C B is cut by line segment E D. Line segment E D goes from side B C to side A C. The length of B A is 4 x minus 6 and

the length of E D is x + 2. The length of B E is x. Sides B E and E C are congruent. Sides A D and D C are congruent. We can apply the triangle midsegment theorem: ED = One-halfBA. Evaluate the equation for x. What is the length of BC? a 5 b 6 c 10 d 2.5
Mathematics
2 answers:
Marina CMI [18]2 years ago
4 0

Answer:

the answers are

D

Triangle midsegment

5

10

Step-by-step explanation:

leva [86]2 years ago
3 0

Answer:

D

Triangle Midsegment

5

10

Step-by-step explanation:

Got it right on the assignment on EDG2020 :)

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Use calculus to find the largest possible area for a rectangular field that can be enclosed with a fence that is 500 meters long
rewona [7]
Let x and y be the sides of the rectangle. The perimeter is given to be 500m, so we are maximizing the area function A(x,y)=xy subject to the constraint 2x+2y=500.

From the constraint, we find

2x+2y=500\implies x+y=250\implies y=250-x

so we can write the area function independently of y:

A(x,y)=\hat A(x)=x(250-x)=250x-x^2

Differentiating and setting equal to zero, we find one critical point:

\dfrac{\mathrm d\hat A(x)}{\mathrm dx}=250-2x=0\implies x=125

which means y=250-125=125, so in fact the largest area is achieved with a square fence that surrounds an area of A(125,125)=125^2=15625\text{ m}^2.
7 0
2 years ago
What is the value of x?<br><br><br><br> Enter your answer in the box.
Alisiya [41]
Hello there! :D

Find the scale of the sides. 

40/5=8 (the longer side is 8 times bigger than the shorter one)

3*8= 24

2x+10=24

Subtract 10 on both sides.

2x=14

Divide by two on both sides.

x=7

I hope this helps!
~kaikers
6 0
3 years ago
I need help with this geometry
Igoryamba

Answer:

70.4 meters

Step-by-step explanation:

A to B: 40²+10²=c² = 1600+100=c² = 1700=c² = c=√1700 = 41.23

B to C: 25²+15²=c² = 625+225=c² = 850=c² = c=√850 = 29.15

41.23+29.15=70.38

7 0
3 years ago
A number that when multiplied by itself equals the original number?
yuradex [85]

Answer:

1

Step-by-step explanation:

Multiplying 1 · 1 = 1

8 0
2 years ago
liam is planting 30 bean plants and 45 pea plants in his garden. if he puts the same number of plants in each row and if each ro
Snowcat [4.5K]
No it is 2109 plus 3829= 21
5 0
3 years ago
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