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4 years ago

12

Gills dealership had v vehicles on his lot. He had sold 9% of the vehicles on his lot by the end of last month. Which expression

shows the number of vehicles left in Gill’s lot?

1 answer:

Contact [7]4 years ago

3 0

Answer:

V-9%= Vehicles Left V- 0.09= Vehicles Left

Step-by-step explanation:

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URGENT WILL GET 20 and Brainlest

My name is Ann [436]

<em><u>The polynomial that represents the difference between the cost of distributing by train and the cost of distributing by truck is:</u></em>

$f(x) = -0.04x^2 + 18x + 75$

<em><u>Solution:</u></em>

<em><u>The cost of distributing by train can be modeled as:</u></em>

$-0.07x^2 + 40x - 105$

<em><u>The cost of distributing by truck can be modeled as:</u></em>

$-0.03x^2 + 22x - 180$

where x is the number of tons of product distributed

To find: Difference between the cost of distributing by train and the cost of distributing by truck

Difference = cost of distributing by train - cost of distributing by truck

Let f(x) = difference in cost between trains & trucks

$f(x) = (-0.07x^2+40x-105) - (-0.03x^2 +22x - 180)$

$f(x) = -0.07x^2 + 40x -105 + 0.03x^2 -22x + 180$

$Combine\ the\ like\ terms\\\\f(x) = -0.07x^2 +0.03x^2 + 40x - 22x +180-105\\\\Add\ the\ like\ terms\\\\f(x) = -0.04x^2 + 18x + 75$

Thus polynomial that represents the difference between the cost of distributing by train and the cost of distributing by truck is found

8 0

3 years ago

melamori03 [73]

If we graph the given points then they appear to be in the shape of cubic function so we can use standard formula of cubic function which is

$y=ax^3+bx^2+cx+d$

Plug the given points to get four equations

like first point (3,6) so plug x=3 and y=6 into above equation, we get:

$6=a*3^3+b*3^2+c*3+d$

or

6=27a+9b+3c+d

Same way by plugging other points form table, we get total four equations as follows:

6=27a+9b+3c+d, 11=125a+25b+5c+d, 11=64a+16b+4c+d, 21=343a+49b+7c+d

Now we just need to solve these equations for a, b, c and d.

Solving them to get values of a, b, c and d, we get:

$a=\frac{25}{24}, b=-15, c=\frac{1715}{24}, d=-\frac{203}{2}$

Now plug them into

$y=ax^3+bx^2+cx+d$

So the required equation will be:

$y=\frac{25}{24}x^3-15x^2+\frac{1715}{24}x-\frac{203}{2}$

Hence required equation in function notation can be written as

$f(x)=\frac{25}{24}x^3-15x^2+\frac{1715}{24}x-\frac{203}{2}$

Now to prove that above function is correct, we just graph the given points from table and the obtained function.

After graphing the given points from table and the obtained function, We see that points lie on the graph of $y=\frac{25}{24}x^3-15x^2+\frac{1715}{24}x-\frac{203}{2}$

Which proves that our equation is correct.

5 0

3 years ago

Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Together they made 13 resolutions. How ma

Scilla [17]

Answer:

8 resolutions

Step-by-step explanation:

13 - 5 = 8

8 0

3 years ago

Read 2 more answers

A side of the triangle below has been extended to form an exterior angle of 129 find the value of X

yawa3891 [41]

Basically the line is 180° in total.
If one side is 129°
then the other side is 180 - 129
which means x = 51°

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3 years ago

Susie sent out party invitations to 8 people from each of her three activity clubs. How many people did she invite to her party?

IrinaK [193]

Invito a 24 personas

8X3=24

6 0

3 years ago