Help me I’ll mark brainliest please

Mathematics

1 answer:

guajiro [1.7K]3 years ago

5 0

Answer:

I don't know sorry but I really want brainliest

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What is the wquation of a circle with center (-2.3) and radius 4

yanalaym [24]

The equation of any circle is

(x - a)^2 + (y - b)^2 = radius^2 where our center is (a, b)

Therefore, our equation is as follows.

(x + 2)^2 + (y - 3)^2 = 16

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Express 4% as a ratio strength. a. 1 : 100 b. 4 : 100 c. 1 : 50 d. 1 : 25

sergey [27]

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Answer step by step

enot [183]

Consider, please, this solution/explanation:
1. suppose, that number of cars is 'x', numbers of buses is 'y'.
2. according to the condition 'a total of 32', it means that x+y=32. This is the 1st equation.
3. according to the condition in one car are 3x persons, in one bus are 27y persons, and totaly 3x+27y=408 people. This is the 2d equation.
4. if to solve the system of two equations:
$\left \{ {{x+y=32} \atop {3x+27y=408}} \right. \ =\ \textgreater \ \ \left \{ {{x=19 (cars)} \atop {y=13(buses)}} \right.$

Answer: 13 - b., 19 - c.

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3 years ago

What is the slope of the line that passes through the points (10,11) and (-6,3)?

ANTONII [103]

Answer: m = ½

.............................

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Jin’s soccer team has 4 coaches and 22 players, and his twin sister’s team has 2 coaches and 11 players. If the relationship bet

nikklg [1K]

Question : Jin’s soccer team has 4 coaches and 22 players, and his twin sister’s team has 2 coaches and 11 players. If the relationship between the number of players and coaches is proportional throughout the league, which ordered pair could represent the total number of coaches and players in the entire league?

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Answer :

B :

26 coaches and 143 players

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3 years ago

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