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Inessa [10]
3 years ago
5

I need help on this question

Mathematics
2 answers:
QveST [7]3 years ago
8 0

2003-2004 would be the larest decrease

Harrizon [31]3 years ago
6 0
Out of all the pairs of years, the transition between year 2003 and 2004 had the largest total decrease.

A:2003-2004
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SOME PLEASE HELP OMG
Ilia_Sergeevich [38]

Answer: 3x plus 36

Step-by-step explanation:

You multiply inside the brackets by 3 and you get 3x+36

7 0
3 years ago
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A certain car rental location charges a daily fee as well as a mileage charge. On one trip a businessman rented a car for the da
nikklg [1K]

Answer:

x\approx 267\ miles

Step-by-step explanation:

<u>Linear Modeling</u>

Some events can be modeled as linear functions. If we are in a situation where a linear model is suitable, then we need two sample points to make the model and predict unknown behaviors.

The linear function can be expressed in the slope-intercept format:

f(x)=mx+b

For the problem at hand, we must pick the adequate variables according to the data provided.

The question states the charge for renting a car is a function of the mileage. It also provides two points from which we can build our model. Let's set the following variables:

c = the charge for renting a car in dollars

x = the distance driven by the businessman in miles

Representing the ordered pair as (x,c), we have the points: (150,79) and (65,63.70). Our model will be expressed as:

c = mx+b

We must find the values of m and b with the data provided. Substituting the first point:

79 = 150m+b

Substituting the second point:

63.70 = 65m+b

Both equations form the following system:

\left\{\begin{matrix}150m+b=79\\ 65m+b=63.70 \end{matrix}\right.

Subtracting both equations:

150m-65m=79-63.70

Note the variable b was canceled out in the operation, leaving only the variable m to solve. Joining like terms:

85m=15.3

Solving:

m=15.3/85=0.18

From the first equation

79 = 150m+b

Solving for b:

b=79-150m=79-150(0.18) = 52.

The model for the problem is:

c=0.18x+52

Now we need to calculate how many miles (x) could be driven for c=$100. From the equation above, substitute c=100

100=0.18x+52

Solve for x:

0.18x+52=100

0.18x=100-52=48

x=48/0.18=266.67

Rounding to the closest integer:

\boxed{x\approx 267\ miles}

7 0
3 years ago
B) Determine the capacity of a rectangular box with a base area of 2m by 3 m and a height of 50
Nastasia [14]

Answer:

3m cube

Step-by-step explanation:

l = 2m

b= 3m

h= 50cm --->50/100m----->0.5m

volume of cuboid = lbh

2 x 3x 0.5 = 3m cube

4 0
3 years ago
Read 2 more answers
-5(3x-7)+11=1 What would this be?
Bess [88]

Answer:

x = 3

Step-by-step explanation:

-5(3x -7) + 11 = 1

Distribute 5:

-15x + 35 + 11 = 1

Combine like terms:

-15x + 46 = 1

Subtract by 46 =

-15x = 1 - 46

-15x = -45

Divide by -15:

x = -45 / -15

x = 3

7 0
3 years ago
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What makes it possible to interpret negative values of z from a table that includes only positive values?
bonufazy [111]
<span>What makes it possible to interpret negative values of z from a table that includes only positive values?</span>
4 0
3 years ago
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