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Mashutka [201]
3 years ago
7

12 is 25% of what number using a ratio table

Mathematics
1 answer:
Contact [7]3 years ago
5 0
% means 'parts out of 100' so
25%=25/100

is 12 is 25 parts out of 100 of a number
so 12=(25/100)x
   25/100 simplifies to 1/4
or if 12=(1/4)x
we multiply both sides by 4 and get
48=1x
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Input the equation of the given line in standard form the line with m=-1/2 and the point (-2,-3)
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Answer:

The equation would be x + 2y = -8

Step-by-step explanation:

To find the standard form of this line, start by using point-slope form with the given information. Then solve for the constant.

y - y1 = m(x - x1)

y + 3 = -1/2(x + 2)

y + 3 = -1/2x - 1

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3 years ago
Please find the missing value in the ordered pairs.
lianna [129]

Answer:

<em>a ) y = 2,</em>

<em>b ) x = 5,</em>

<em>c ) x = - 3,</em>

<em>d ) y = 4</em>

Step-by-step explanation:

a )                                                                                  

( - 3, - 4 ), ( 0, y )\\Slope = - 4 - y / - 3 - 0\\2 = - 4 - y / - 3,\\\\- 6 = - 4 - y,\\- y = - 2\\\\y = 2                                                            

                                           

b )                                                    

( - 2, 2 ), ( x, 5 )\\Slope = 2 - 5 / - 2 - x,\\3 / 7 = - 3 / - 2 - x,\\\\( Algebra ) x = 5

c )    

( x, 5 ), ( 1, - 5 )\\Slope = 5 - ( - 5 ) / x - 1\\- 5 / 2 = 5 + 5 / x - 1,\\- 5 / 2 = 10 / x - 1\\\\( Algebra ) x = - 3

d )

( -6, y ), ( 8, 2 )\\Slope = y - 2 / - 6 - 8,\\- 1 / 7 = y - 2 / - 14\\\\( Algebra ) y = 4

<em>Hope that helps!</em>

3 0
3 years ago
Alfonso makes $8.00 per hour working at a movie theater and $12.00 per hour working at a restaurant. Next week, Alfonso is sched
uysha [10]
Next week, Alfonso will work 6 hours at the theater, where he is payed $8 per each hour he works there. So, he is going to make a total of 6*$8=$48.

Let h be the number of hours that Alfonso needs to work at the restaurant to make a total of at least $144.

Since working at the restaurant he makes $12 per hour, then per h hours, he is going to make 12h dollars. 


In total, he is going to make 48 + 12h dollars, and we want this sum to be at least $144, thus, we set the inequality:

48 + 12h≥144.

Answer: A
4 0
3 years ago
Read 2 more answers
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