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Serhud [2]
3 years ago
13

Last month sue made $200 by baby-sitting for 12 hours and tutoring for 20 hours. This month she worked the same number of hours

at each job as she did last month, but increased her baby-sitting fee by $2 per hour and her tutoring fee by $1 per hour. How much did she earn this month?
Mathematics
2 answers:
ioda3 years ago
8 0
The extra amount earned this month is:
2\times 12+1\times20=44\ dollars
Therefore the toal amount earned this month is:
200 + 44 = $244
stiks02 [169]3 years ago
4 0
$44, she needs to step up her game
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3 years ago
Line a is formed by using the points -1,6 and 3,-2 Line B is formed by using the point -3,0 and 5,4.What linear equations can be
emmasim [6.3K]

Answer:

y  =  -x  + 5

y  =  x/2  + 3/2

Step-by-step explanation:

First we calculate the slope as difference between coordinates

a) P₁ ( -1 , 6 )   P₂  ( 3 , 2 )

m =  Δy/Δx      ⇒  m  =  (  y₂ - y₁ ) / ( x₂ - x₁ )  ⇒  m = (2 -6 ) / (3 -(-1))

m =  -4 /4  

m = -1

Now we have:

y - y₁  = m ( x - x₁ )    ⇒  y  -  6  = (-1) ( x - (-1))

y  -  6  =  -1 * ( x + 1 )   ⇒  y  -  6  =  - x - 1

y  =  -x  + 5

In the second case

Q₁  ( -3 , 0 )  Q₂  ( 5  , 4 )

Again we calculate the slope

m  =  Δy / Δx    ⇒  m  =  ( 4 - 0 ) / ( 5 - (-3))    ⇒  m =  4 / 8   ⇒ m = 1/2

m  = 1/2  or  x = 0,5

And

y - y₁  = 1/2 ( x - x₁ )   ⇒  y  -  y₁  = 1/2 ( x - (-3))   ⇒   y  - 0 = 1/2 * x + 3/2

y  =  x/2  + 3/2

6 0
3 years ago
The height of a building in a drawing is 15 inches if the actual height of the building is 165 feet find the scale factor of the
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Answer:

The scale is 11 feet per one inch.

Step-by-step explanation:

\frac{165feet}{15inches} = 11feet / inch

3 0
2 years ago
Five more than a certain number is 11 less than double the number
kupik [55]

Answer:

The number is 16

Step-by-step explanation:

Five more than a certain number is 11 less than double the number

x+5 = 2x-11

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16 = x

5 0
3 years ago
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This is Adele’s solution for the equation.
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Answer: She messed up in Step 1

She first should of tried to factor it first. There she can see that 3 and -11 work together in order to get (x+3)(x-11)

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Explanation:

I hope this helped!

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3 years ago
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