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Dovator [93]
2 years ago
12

WILL GIVE BRAINLIEST WILL GIVE BRAINLIEST

Mathematics
1 answer:
Alex73 [517]2 years ago
7 0

Answer:

9

Step-by-step explanation:

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72% of 25 students of a class are good in mathematics. how many are not good in maths in that class?
Nata [24]
72% of 25=18
25 there are
18 are good at math
7 aren't good at math
8 0
3 years ago
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An angle measures 12 degrees less than three times its supplement. Find the measure of the angle.
Nimfa-mama [501]

Supplementary angles must add up to 180 degrees.

3x-12=180

x=64 degrees


7 0
3 years ago
Mike wants to work out the height of a tree which has a fence all around it.
tatuchka [14]

Answer: <em>TRIGONOMETRY QUESTION</em>

Step-by-step explanation:

You have to use the SOH CAH TOA method to answer these type of questions. Note that there can't be two angles of elevation. Hence, I suppose that the other angle given should be an angle of deviation.

Hope this explanation is helpful.

5 0
3 years ago
The diameter of a circle is 6 kilometers.
rosijanka [135]

Answer:

rea = pi x radius squared

area = 3.14 x (6 km)² - assuming pi i is about 3.14

area = 113.04km²

Step-by-step explanation:

6 0
2 years ago
Four friends are playing a game. They randomly choose a handful of marbles from a bag. The player with the highest ratio of blue
Monica [59]

We are given the number of Blue and Purple Marbles for each of the four friends. So first we have to find the ratio of blue marbles to purple marbles for each of them.

A) Rosa

Number of blue marbles = 10

Number of purple marbles = 12

Ratio of blue to purple marbles = \frac{10}{12}=0.833

B) Chi

Number of blue marbles = 5

Number of purple marbles = 6

Ratio of blue to purple marbles = \frac{5}{6}=0.833

C) Alberto

Number of blue marbles = 5

Number of purple marbles = 12

Ratio of blue to purple marbles = \frac{5}{12}=0.417

D) Pedro

Number of blue marbles = 10

Number of purple marbles = 6

Ratio of blue to purple marbles = \frac{10}{6}=1.667

From the above calculations we can see that Pedro has the highest value of ratio for blue marbles to purple marbles. Also we can see Pedro is the only one for whom the number of blue marbles is more than the number of purple marbles. So this confirms that our calculation is correct.

Thus, the player which gets to go first is Pedro.

4 0
3 years ago
Read 2 more answers
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