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1 year ago

A car travels 17 miles on one gallon of gas.

Mathematics

1 answer:

ehidna [41]1 year ago

5 0

Answer:

$y$ ranges from 2890 miles to 5780 miles.

Step-by-step explanation:

Let us call $y$ the number of miles the car travels, and $x$ the number of gallons of gas that are used, then we have the relationship

$y=17x$ <em>(this says the car travels 17 miles for each gallon of gas).</em>

Now, when $x=170$ , we have

$y=17(170)$

$y=2890\: miles$

and when $x=340$ , we have

$y=17(340)$

$y=5780\:miles$

So, when $x$ goes from 170 to 340, $y$ goes from $2890$ to $5780$ .

Therefore, when $x$ ranges from 170 to 340 gallons, the distance traveled ranges from 2890 to 5780 miles.

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USPshnik [31]

Answer:

Step-by-step explanation:

Slope or gradient of a line is given by dividing change in y axis by the change in x axis. Slope is represented by m hence $m=\frac {\triangle y}{\triangle x}$ where $\triangle y$ is the change in y axis while $\triangle x$ is the change in x co-ordinates. Substituting $\triangle y$ with 6 units while 3 units substitute $\triangle x$ then the slope will be $m=\frac {6}{3}=2$

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2 years ago

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The graph below shows the air temperature of a location (y), in degrees Celsius, after different time intervals (x), in hours: G

Arisa [49]

Answer:

it is decreasing in the time interval 0<x<2 hours.

Step-by-step explanation:

Graph of first line going through ordered pairs A(0, 40) and B(2, 10).

Graph of second line going through ordered pairs B(2, 10) and C(4, 10). Graph of third line going through ordered pairs C(4, 10) and D(7, 50).

When movement is from point A to B, change in x = 2 and change in y = -30

Hence change for unit x = -30/2 = -15 ... i

When movement is from point B to C, change in x = 2 and change in y = 0

Hence change for unit x = 0/2 = 0 ... ii

When movement is from point C to D, change in x = 3 and change in y = +40

Hence change for unit x = 40/7 = 5.71 .. iii

Hence from A to B it is decreasing, B to C it remains constant and C to D it is increasing.

x coordinate represents hours and y coordinate degrees.

Hence answer is it is decreasing in the time interval 0<x<2 hours.

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1 year ago

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Neptune’s average distance from the sun is 4.503 x 10e9 km. Mercury’s average distance from the sun is 5.791 x10e9 km.about how

Igoryamba

Answer:

77.76 times

Step-by-step explanation:

The average distance of Neptune from the sun

= 4.503 × 10 ⁹ k m .

and Mercury = 5.791 × 10 ⁷ k m .

Hence neptune is ( 4.503 × 10 ⁹) ÷ (5.791 × 10 ⁷ ) times farther from the sun than mercury

i.e.( $\frac{4.503}{5.791}$ ) × 10⁹⁻⁷ times

= 0.7776 × 10 ² times

= 77.76 times.

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1 year ago

The commission Gary earns is proportional to the cost of the shoes he sells. Gary earns 15% in commission for every $150 worth o

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C = $150x * .15 is the formula

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2 years ago

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Andrew believes the honor roll students at his school have an unfair advantage in being assigned to the math class they request.

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Received math class requested 315   64   379
Did not get math class requested 41   80   121
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Honor roll: request granted: 315/356 = 0.88 x 100% = 88%
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Honor roll students were given preference in granting request than those not in the honor roll.</span>

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2 years ago