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Debora [2.8K]
3 years ago
6

What is the length of DF?

Mathematics
1 answer:
UkoKoshka [18]3 years ago
8 0

Answer:

6x-5=3x+10

6x-3x=10+5

3x=15

3x÷3=15÷3

x =5

Step-by-step explanation:

pliz mark brainliest

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Which shows the solution to the
scoundrel [369]

Answer:

x<-9

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Two gardens are being fenced in. Both gardens will require the same amount of fencing​ (both gardens have the same perimeter in​
Tresset [83]

Answer:

Dimensions of the square garden = 9 meters by 9 meters

Dimensions of the triangular garden = 12 meters

Step-by-step explanation:

Let the measure of a side of the square garden = x meters

Perimeter of the square = 4x meters

Since each side of the triangle is 3 meters longer than each side of the square, side of the triangle will measure = (x + 3)

Perimeter of the equilateral triangle = 3(x + 3) meters

Perimeter of the square = perimeter of equilateral triangle

4x = 3(x + 3)

4x = 3x + 9

4x - 3x = 9

x = 9 meters

Dimensions of the square garden = 9 meters by 9 meters

Dimensions of the triangular garden = 12 meters

5 0
4 years ago
Plz help i dont want to fail ill mark brainliest
g100num [7]

Answer:

D

Step-by-step explanation:

If you see the graph you can see that the first 1 hour it decreases 2 cm

PLZ MARK ME BRAINLIEST

8 0
3 years ago
What is 879 times 8 as a sum and estimated
Flauer [41]
Its 7,032 the estimated product is 7,000

-hope that helped
6 0
4 years ago
T.
Ira Lisetskai [31]

Answer:

  a) 5000 m²

  b) A(x) = x(200 -2x)

  c) 0 < x < 100

Step-by-step explanation:

b) The remaining fence, after the two sides of length x are fenced, is 200-2x. That is the length of the side parallel to the building. The product of the lengths parallel and perpendicular to the building is the area of the playground:

  A(x) = x(200 -2x)

__

a) A(50) = 50(200 -2·50) = 50·100 = 5000 . . . . m²

__

c) The equation makes no sense if either length (x or 200-2x) is negative, so a reasonable domain is (0, 100). For x=0 or x=100, the playground area is zero, so we're not concerned with those cases, either. Those endpoints could be included in the domain if you like.

6 0
3 years ago
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