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trapecia [35]
3 years ago
14

How many degrees is the exterior angle of a triangle (w) if the non-adjacent angles (z and y) are 46 and 85?

Mathematics
1 answer:
Alchen [17]3 years ago
8 0

Answer:

46

Step-by-step explanation:

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A motorboat travels 105 kilometers in 3 hours going upstream. It travels 165 kilometers going downstream in the same amount of t
Novay_Z [31]

Answer:

Rate in still water = 45 km/h

Rate of the current = 10 km/h.

Step-by-step explanation:

Let the rate of the current be x and rate in still water be y.

So the rate of the boat upstream is y - x and the rate downstream = x + y.

Rate upstream = distance / time

y - x = 105/3 = 35 ...... (1)

Rate downstream:

y + x = 165/3 = 55 .......(2)

Adding (1) + (2):

2y = 90

y = 45 km/h.

Using equation (1):

45 - x = 35

x = 45-35 = 10 km/h.

8 0
2 years ago
What is the answer to this question please help
LuckyWell [14K]

Answer:

(x+5)(x-3)

Step-by-step explanation:

We can factor the equation to be

(x+5)(x-3)

5 0
3 years ago
Help me with this!! Will mark Brainliest
tatiyna

Answer:

TU = 19 cm

coz both the triangles are same.

6 0
2 years ago
The Quadratic Formula gives which roots for the equation 2x2 + 7x = -2?
olya-2409 [2.1K]

Answer:

B. (-7 +/-√33) / 4

Step-by-step explanation:

2x2 + 7x + 2 = 0

x =  [-7 +/-  √(7^2 - 4*2*2)] / 2*2

x = -7/4 +/- √(33) / 4

=  (-7 +/-√33) / 4

7 0
3 years ago
ASAP ANSWERRR If a sequence is defined recursively by f(0)=4 and f(n+1)= -3f(n)+1 for n≥0, the f(3) is equal to
LenaWriter [7]
Idk maybe ask an adult
3 0
2 years ago
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