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OLga [1]
3 years ago
10

The charge in dollars for cab rides in one

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0
F(3) = $4 + $2.5(3)
f(3) = $4 + $7.5
f(3) = $11.50
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Solve: 3x - 2x + 4 = 5x - 4x - 8 <br> A)3 <br> B)6 <br> C)-3 <br> D)no solution
tensa zangetsu [6.8K]
3x - 2x + 4 = 5x - 4x - 8

First, let's focus on the left side of the problem (3x - 2x + 4). Let's subtract 3x - 2x which will get us 1, and since a variable by itself is considered 1, we can just put the variable.
1 + 4 = 5x - 4x - 8

Second, now let's focus on the right side of the problem (5x - 4x - 8). Subtract 5x - 4x to once again get 1. Replace it with the variable and leave the rest.
x = 4 = x - 8

Third, we can now cancel out x on each side. This will leave us with 4 = -8, which is false, meaning that there is no solution to this problem.

\fbox {D) No Solution}
4 0
3 years ago
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It asks to simplify the expression​
Serggg [28]

Answer:

m^76

Step-by-step explanation:

m^-43 + 199

= m^76

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3 0
3 years ago
How does doubling the side length of a rectangle affect its area
baherus [9]
Doubling the side-lengths will multiply the area by four.

Proof:
Let the side-lengths of the rectangle by x and y.  Clearly, the area will be x*y=xy.  The new rectangle will have side-lengths 2x and 2y, and thus area 2x*2y=4xy.  4xy/xy=4 - hence, the new rectangle has four times the area of the old one.
7 0
3 years ago
Write a linear function f with the values f (0) =-1 and f (3)= -10
dmitriy555 [2]

Answer:

The linear function is y = -3x -1.

Step-by-step explanation:

A linear function is given by the formula,

y = (m)x + c, where m is the slope and c is the y intercept of function.

The following two points lie on the graph; (0,-1) and (3,-10)

Inserting this two points we get,

-1 = c

-10 = (m)(3) + c,

solving this two equations we get,

m = -3 and c= -1

Thus, the linear function is given by,

y = -3x -1

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3 years ago
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Harrizon [31]

Answer:

The small gear would be spinning at 7.5MPH

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3 years ago
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