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dusya [7]
3 years ago
7

Need help pls , 20 points no links or else I will report

Mathematics
2 answers:
Nesterboy [21]3 years ago
8 0

Answer:

  • 18² + (3/4x)² = x²
  • 18² = x² - 9/16x²
  • 18² = 7/16x²
  • x² = 16*18²/7
  • x = 72/√7
  • x ≈ 54.42
uysha [10]3 years ago
7 0

Answer:

x=72

Step-by-step explanation:

x=3/4x+18

4(x=3/4+18)

4x=3x+72

x=72

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Question 2
xz_007 [3.2K]

The correct answer is: x = 8 (Option D)

Explanation:

Given ΔABC≅ΔDFE (Triangle ABC is congruent to triangle DFE).

It means that angle B is congruent to angle F, and C is congruent to E ( likewise A is congruent to D). By using this argument, we can say that, BC≅FE. Consequently, we can safely say that the lengths of those sides are also equal in measure. Therefore,

BC = 20

FE = 3x - 4

Since,

BC = FE (By using congruence statement mentioned above)

20 = 3x - 4

3x = 20+4

3x = 24

x = 8

Hence the correct answer is: x = 8

6 0
3 years ago
It takes a boat going upstream 5 hours to cover the same distance, as it would cover in 3 hours going downstream. What is the sp
Vaselesa [24]

Answer: 15 kilometers per hour

Step-by-step explanation:

8 0
3 years ago
Find the domain of the function (f/g)(x) where f(x)=√x+1, g(x)=√x-9
nadya68 [22]

Answer:

4x + 9. Given f(x) = 2x + 3 and g(x) = –x2 + 5, find (g o g)(x). (g o g)(x) = g(g(x)) ... Given f (x) = sqrt(x) and g(x) = x – 2, find the domains of ( f o g)(x) and (g o f )(x). Since f (x) involves a square root, the inputs have to be non-negative. ... Given h(x) = (x + 1)2 + 2(x + 1) – 3, determine two functions f (x) and g(x

Step-by-step explanation:

4 0
3 years ago
ASAP ANZWER PleASEEE :)
Hitman42 [59]

Answer:

%80

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP FASTTTTTT IT IS DUE SOON thank you!
lions [1.4K]

Answer:

The answer to both photos is 1.

Step-by-step explanation:

Rise over run is looking at each plotted point on the graph and counting upward until level with the first point from zero, then going across the graph until you reach the plotted point.

The rise for the first picture is 3/1, and if you reverse them, you get, (1, 3).

- Hope this helps, good luck.

5 0
3 years ago
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