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4 years ago

Please please please I'm begging you help me find the y intercept for these I will give brainliest

Mathematics

1 answer:

konstantin123 [22]4 years ago

6 0

Answer:

1. (2+2)/(-3+4)= 4/1= 4

y + 2 = 4(x + 4)

y + 2 = 4x + 16

y = 4x + 14 y-intercept:(0,14)

2. (0+5)/(-1+2)= 5/1= 5

y + 5 = 5(x + 1)

y + 5 = 5x + 5

y = 5x

y-intercept (0,0)

3. (-1+1)/(-5-3)= 0/-8= 0

y + 1 = 0(x - 3)

y + 1 = 0

y= -1

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Answer:

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2 years ago

Jonathan’s class has 30 boys. Of the students in his class, 60% are girls. How many girls are in Jonathan’s class?

raketka [301]

Answer:

45 girls

Step-by-step explanation:

Remark
There are only 2 choices for gender. So if the class is 60% girls, the there must be 100 - 60 = 40% for the boys.
But we are told that the boys are 30 in number.
Let x = the total number of students.

Solution

40/100 * x = 30 Change the % to a decimal
0.4 x = 30 Divide both sides by 0.4
0.4 x / 0.4 = 30 / 0.4 Do the division
x = 30/0.4
x = 75 students in total

Formula

Total of Boys and Girls = Number of boys + number of girls.

Givens

Total = 75
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Solution II

75 = x + 30 Subtract 30 from each side
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3 years ago