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AVprozaik [17]
3 years ago
8

the cost of renting a car is 35/wk plus $0.25/mi traveled during that week. An equation to represent the cost would be y =35+0.2

5, where the x is the number of miles traveled. what is your cost in dollars if you travel 60 mi?
Mathematics
1 answer:
spin [16.1K]3 years ago
3 0

Your "y =35+0.25" would be better if written as y =$35/wk + ($0.25/mile)x, where x is the # of miles traveled and we assume that you rent the car for 1 week or less.

Now let's evaluate y =$35/wk + ($0.25/mile)x for x = 60 mi:

y =$35/wk + ($0.25/mile)(60 miles) = $35/wk + $15 = $50 total.

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Which value for x makes the following number sentence true? 12x = 6x + 24
denis23 [38]
To solve this, first subtract 6x from both sides.

That is because there cannot be the same variable on both sides of the equation. The new equation would be:

6x=24

Now divide by both sides of the equation by 6

x=4

Hope this helped! Tell me if you have any more questions!
5 0
3 years ago
Given the funtion f(x)=-4-x:<br> A. Evaluate: f(-2)<br> B. Solve for x when f(x) =-8
NNADVOKAT [17]


f(x)=-4-x

A. f(-2)=-4-(-2)=-4+2=-2

      <em>f(-2)=-2</em>

B. f(x)=8

-4-x=8    /+4

-x=12     /*(-1)

x=-12


3 0
3 years ago
What is the missing reason in the proof?
spayn [35]
Perpendicular bisector theorem
5 0
3 years ago
Read 2 more answers
The scale of a map is 6 km = 4 mi. What is the length on the map if the actual is 40.1<br> miles.
beks73 [17]

Answer:

60.15 km

Step-by-step explanation:

If 6 km on the map represents 4 mi on land, then we'd get the answer by using the relation

6 km -> 4 mi

x km -> 40.1 mi

Where x km is the length on the map we're looking for. If we cross multiply

6 * 40.1 = 4x

240.6 = 4x

x = 240.6/4

x = 60.15 km.

That is the length we're looking for

8 0
3 years ago
NEED HELPPPP PLEASEEE!!! NUMBER 5 ONLY
Reika [66]

Answer:

Let x equal the ice thickness. An equality that represents a safe ice thickness for walkability is:

x ≥ 4 inches

(Plus the graph)

Step-by-step explanation:

Defining a variable just means you let any letter or symbol take the place of something. But you have to specifically say what is what in order for it to be clear.

So I defined "x" as the variable to represent the ice's thickness. And since we want an inequality for all the safe thicknesses, we could say that "x" must be greater than or equal to 4 inches thick in order to safely walk on it.

Lastly, you'd graph it with a solid point on 4 with the arrow going to the right.

7 0
3 years ago
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