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tresset_1 [31]
3 years ago
13

John started a home delivery service from several local restaurants. He charges a $5 tip on the delivery, plus $0.75 for every m

ile he travels.
Write an equation for the function that relates the total cost of a trip to the distance.
Mathematics
2 answers:
padilas [110]3 years ago
6 0

Answer:c(d) = 5 + (0.75*d)

Step-by-step :

In this equation the cost (c) of the distance traveled (d) has a base rate of 5, and increases by .75 for every mile traveled (d)

denis-greek [22]3 years ago
3 0

Answer:

f(x)=0.75x+5

Step-by-step explanation:

It's 0.75 per mile (which is x in this case) and a 5 dollar tip that never changes so it's f(x)=0.75x+5

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the width of a rectangle is 6inches less than twice it’s length. Find the dimension of the rectangle if it’s area is 108 square
Sindrei [870]

Answer:

Width = 12   Length = 9

Step-by-step explanation:

We have to first find an equations with the given variables:

w = 2L - 6

Now apply the area format:

Length * Width

Since the area is 108 square inches

108 = l * w

108 = l(2l-6)

108 = l(2l) + l(-6)

108 = 2l^2 - 6l

Simplify:

(l-9) * (l+6) = 0

Since no number can be negative

w = 2*9(L)-6

w = 12

l=9

5 0
3 years ago
Please help im bad at numberline stuff
LUCKY_DIMON [66]
It's C ray AC because it's the same length just opposite
6 0
3 years ago
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the axis of symmetry for a function in the form f(x)=x^2+4x-5 is x=-2. what are the coordinates of the vertex of the graph?
Alenkasestr [34]
Hello : 
<span>f(x)=x²+4x-5
</span><span>The axis of symmetry for a function in the form f(x)=x^2+4x-5 is x=-2 :
</span>f(x) = (x+2)² + b 
f(x) x²+4x+4+b=  x² +4x-5 
 4+b= -5 
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the vertex is : (2 , -9)
4 0
3 years ago
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At what rate will £420 yield<br>£70 in 4 years​
Bumek [7]

Answer:

4.17%

Step-by-step explanation:

Rate = interest earned / (principal x time)

70 / (4 x 420) = = 0.0417 = 4.17%

6 0
3 years ago
What property is -3 + 3 = 0
raketka [301]
Answer to question:

inverse property
“Staying the same”
adding a number to itself results in a sum of zero
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3 years ago
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