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crimeas [40]
2 years ago
11

Pls help me with this question

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
6 0

Answer:

55.2° ...............................

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Step-by-step explanation:

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2 years ago
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goblinko [34]

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(13×14×6)/3= 364 centimeter cube

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7 0
3 years ago
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WILL GIVE BRAINLIEST FOR A CORRECT ANSWER:
guapka [62]

Answer:

Solution:

the boat's speed in still water: x

The speed with current: (x+3)

The speed against current: (x-3)

The equation is

3(x+3) = 4(x-3)

x = 21 mph

The distance = 3*(21+3)= 72 miles

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Step-by-step explanation:

7 0
3 years ago
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SSSSS [86.1K]

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5 0
3 years ago
I walk each day to school. By what percentage would I need to increase my usual average speed in order for the journey to take 2
lesya692 [45]

Answer:

25%

Step-by-step explanation:

Let v, t be the current average speed and the time taken to reach the school respectively.

As distance = speed x time, so,

distance, d=vt...(i)

Let V be the new average speed in order to to take 20% less time than t.

So, time taken with speed V = t-20% of t = t- 0.2t= 0.8t

As distance is constant, so

d= V(0.8t)= 0.8Vt

hBy using equation (i), we have

0.8Vt = vt

0.8 V = v

V= v/0.8=1.25v

Therefore, the percentage increase in the average speed = \frac{V-v}{v}\times 100

=\frac{1.25v-v}{v}\times 100

=25%

Hence, the percentage increase in the average speed is 25%.

8 0
2 years ago
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