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Dvinal [7]
2 years ago
6

What is the expected price of a calculator in the year 2000 if it costs $19.12 in 2015? You can use the chart below for a refere

nce of CPI values. Year CPI 1990 130.7 1995 152.4 2000 172.2 2005 195.3 2010 218.056 2015 237.017
Mathematics
1 answer:
Finger [1]2 years ago
7 0

Answer:

43w6

Step-by-step explanation:

I'm not going anywhere and I'm not sure what to say what

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Explain how a function graph can be used to help verify that a function is factored correctly
Sergeeva-Olga [200]

By factorising a function, you can find the value of x-intercepts by substituting f(x)=0

By plotting a graph, you can check the values of x-intercepts

8 0
2 years ago
Organisms A and B start out with the same population size. Organism A's population doubles every day. After 5 days, the populati
Zigmanuir [339]

Answer:

The number of times organism B's population is larger than organism A's population after 8 days is 32 times

Step-by-step explanation:

The population of organism A doubles every day, geometrically as follows

a, a·r, a·r²

Where;

r = 2

The population after 5 days, is therefore;

Pₐ₅ = = 32·a

The virus cuts the population in half for three days as follows;

The first of ta·2⁵ he three days = 32/2 = 16·a

The second of the three days = 16/2 = 8·a

After the third day, Pₐ = 8/2 = 8·a

The population growth of organism B is the same as the initial growth of organism A, therefore, the population, P₈ of organism B after 8 days is given as follows;

P₈ =  a·2⁸ = 256·a

Therefore, the number of times organism B's population is larger than organism A's population after 8 days is P₈/Pₐ = 256·a/8·a = 32 times

Which gives, the number of times organism B's population is larger than organism A's population after 8 days is 32 times.

3 0
2 years ago
Given the figure below is a special type of trapezoid and WX || YZ, which angle pairs can be proven supplementary by the given i
RSB [31]

Answer:

The answer:

<W and <Z

<X and <Y

<W and <X


Step-by-step explanation:


8 0
2 years ago
Read 2 more answers
A nutritionist attempts to determine an association between where food is prepared and the number of calories the food contains.
Oksi-84 [34.3K]
Given the conditional relative frequency table below which was generated by column using frequency table data comparing the number of calories in a meal to whether the meal was prepared at home or at a restaurant.

Number of Calories and Location of Meal Preparation.
                                   Home                Restaurant            Total
≥ 500 calories              0.15                      0.55                  0.28

< 500 calories              0.85                      0.45                  0.72

Total                             1.0                        1.0                    1.0

To determine whether there is an association between where food is prepared and the number of carories the food contain, we recall that an "association" exists between two categorical variables if the column conditional relative frequencies are different for the columns of the table. The bigger the differences in the conditional relative frequencies, the stronger the association between the variables. If the conditional relative frequencies are nearly equal for all categories, there may be no association between the variables. Such variables are said to be <span>independent.

For the given conditional relative freduency, we can see that there is a significant difference between the columns of the table.
i.e. 0.15 is significantly different from 0.55 and 0.85 is significantly different from 0.45

Therefore, we can conclude from the given answer options that t</span><span>here is an association because the value 0.15 is not similar to the value 0.55</span>
8 0
2 years ago
What error did Maria likely make?
raketka [301]
She didn’t notice that the 3 and the 4 both do not have the variable “n” with them
She just added up all the numbers together then added the variable at the end.
7 0
2 years ago
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