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aleksandrvk [35]
3 years ago
15

State the reference angle for -75

Mathematics
1 answer:
boyakko [2]3 years ago
8 0

Check the picture below.

so, the reference angle, will be the angle made by it with the x-axis, namely 75°.

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A square shaped patio has an area of 256 ft 2 what are the dimensions of the patio
Romashka-Z-Leto [24]

Step-by-step explanation:

√256

it's a 16in x16in patio

all four sides are 16

3 0
3 years ago
. To convert the ratio of 3:5 to 5:6, which number should be added on both?​
Pachacha [2.7K]

Answer:

7

Step-by-step explanation:

3:5 + 7 = 10:12

10:12 when shortened is 5:6

5 0
3 years ago
If the measure of one interior angle of a regular polygon is 144 degrees, find
Dmitrij [34]

There are 10 sides becuase the equation set up is \frac{180(n-2)}{n} and equal it to 144.

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6 0
2 years ago
A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 12
Yuri [45]

Answer:

0.5hrs

Step-by-step explanation:

Let the speed downhill be x,

Speed uphill is 0.5x. We are told than speed uphill is \frac{2}{3} the speed on flat ground. Therefore the speed on level ground will be \frac{0.5x}{2/3}=0.75x.

From this info, we can obtain the actual speed,v_g on level ground as:

x=120m/h\\0.75x=v_g\\\\\therefore v_g=\frac{0.75x \times 120m/h}{x}\\v_g=90m/h

speed, distance and time have the relation s=d/t so to obtain time to cover 45miles:

t=d/s\\=45/90\\=0.5h

Hence it takes 0.5hrs to cover 45miles on flat ground.

4 0
3 years ago
Suppose you rolled a twelve-sided number cube instead of a standard six-sided one. How would the probability of these events cha
BlackZzzverrR [31]

Answer:

Decrease

Increase

Does not change

5 0
3 years ago
Read 2 more answers
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