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Jlenok [28]
3 years ago
7

A coal car on a train weighs 30 tons plus 1 ton per cubic yard of coal x that it carries. The total weight of a coal car is: f(x

) = x + 30. How will the graph of this function change if the coal car weight is changed to 26 tons?
Mathematics
1 answer:
Gekata [30.6K]3 years ago
4 0

Answer:

See explanations below

Step-by-step explanation:

In the function

f(x) = x + 30

x represents the volume of coal in cubic yards.

The implicit coefficient of one, i.e. 1x, represents each cubic yard of coal weighs one ton.

The 30 represents the weight in tons of the empty coal car.

Thus when the weight of the coal car is only 26 tons, we replace 30 by 26 to get a new function

f(x) = x + 26.

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hodyreva [135]

Answer:

looking at this picture i see that the x value is -30 and the y value is 30

and looking at this it looks like the slope is 30°.

Step-by-step explanation:

not sure if this is right because i have a blank memory about things i learned in pre alg.

but if i'm wrong forgive me.

and if i'm right good luck on whatever you are doing.

5 0
3 years ago
Read 2 more answers
The team won 18 of its 30 games. What was the team’s won-lost ratio?
NemiM [27]

Answer:

18:12 (accurate)

3:2 (simplified)

Step-by-step explanation:

The team won 18 games out of 30 total games. Find the amount of games lost by simply subtracting 18 with 30:

30 - 18 = 12

The ratio you are trying to find is won to lost, or won:lost. Plug in the corresponding numbers to the corresponding terms:

won:lost ⇒ 18:12

18:12 is the ratio.

If the teacher asks you to simplify, factor both sides. Divide 6 from both sides:

(18)/6 : (12)/6

3:2

3:2 is your simplified ratio.

~

6 0
3 years ago
How can you skip count to find a number
Dimas [21]
By skipping the number for an example skip count by 2 so u go like 2 4 6 8 10 and so on its also how you mulitiply<span />
3 0
3 years ago
A fish store received a shipment of 246 goldfish. The owner of the store arranged the fish into small tanks of 8 fish per tank.
saw5 [17]

Answer:

he would need 31 tanks

30 tanks would hold 240 fish with 6 left over

Step-by-step explanation:

246/8= 30.75

30*8 = 240

6 0
3 years ago
Read 2 more answers
gde Sta manut Stree and Lincoln Set orm a right triangle with a trafic light at each intersection. The distance between the traf
earnstyle [38]

The diagram is of a right triangle with

Hypotenuse = 233

One leg of the triangle = 105

Another Leg = <em>we have to find</em>

<em />

<em />

Pythagorean Theorem can be written as:

\text{Leg}^2+\text{AnotherLeg}^2=\text{Hypotenuse}^2

Thus, we can write:

\begin{gathered} 105^2+\text{AnotherLeg}^2=233^2 \\ \text{AnotherLeg}^2=233^2-105^2 \\ \text{AnotherLeg}^2=43264 \\ \text{AnotherLeg}=\sqrt[]{43264} \\ \text{AnotherLeg}=208\text{ ft} \end{gathered}

Thus,

The distance between the traffic lights on Walnut Street is:

208 feet
4 0
1 year ago
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