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maksim [4K]
3 years ago
7

Charmaine made traditional pizzas for her classmates. She recorded whether the students wanted garlic on their pizza. Which desc

ribes the variables she can use in the first row and first column to create a two-way table? A) gender and garlic preference C) gender and number of girls who prefer garlic C) garlic preference and total number of students in class D) garlic preference and number of boys in class
Mathematics
1 answer:
Georgia [21]3 years ago
3 0

Answer:

Option A Gender and garlic preference.

Step-by-step explanation:

We have been given Charmaine made traditional pizzas for her classmates. She recorded whether the students wanted garlic on their pizza.

For two-way table we need two Data

So, gender and garlic preference is sufficient to form two-way table

She will use gender in first row and garlic preference in first column.

Gender    Garlic preference

Male         here male who needs garlic

Female     here female who need garlic.

Therefore, option A is correct.

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A bacteria colony increases in size at a rate of 4.0581e1.6t bacteria per hour. If the initial population is 36 bacteria, find t
Harrizon [31]

Answer:

1560

Step-by-step explanation:

The rate of Increase of the population (P) of the bacteria is given as:

\frac{dP}{dt} =4.058e^{1.6t}

dP =4.058e^{1.6t}}dt\\Taking\: Integrals\\\int dP =4.058 \int e^{1.6t}dt\\P(t)=\frac{4.058}{1.6} (e^{1.6t} +K)\\P(t)=2.53625 (e^{1.6t} +K)

Where k is a constant of Integration.

At t=0, P(t)=36

36=2.53625 (e^{1.6*0} +K)\\36=2.53625 (e^{0} +K)\\36=2.53625 (1 +K)\\36=2.53625 +2.53625K\\K=13.19

Therefore:

P(t)=2.53625 (e^{1.6t} +13.19)\\At \: t=4\\P(4)=2.53625 (e^{1.6*4} +13.19)\\=1559.88\\P(4)=1560

3 0
3 years ago
Classify the number as natural, whole, integer, rational, and/or irrational.
Sergio039 [100]
The set of natural numbers is {1, 2, 3, 4, ...} basically positive whole numbers

The set of whole numbers is {0, 1, 2, 3, ...} which is the set of natural numbers with 0 included

The set of integers is {..., -3, -2, -1, 0, 1, 2, 3, ...} consisting of positive and negative whole numbers, plus zero as well

The set of rational numbers is the set of all fractions of the form a/b where b is not equal to zero. Any whole number, natural number, and integer is also a rational number.

If the number cannot be expressed as a rational number, then it is said to be irrational

------------------------------------------------------------------------

With all that in mind, the answers are "integer" and "rational" as you wrote in the comment section above. The value -25 is in the set {..., -3, -2, -1, 0, 1, 2, 3, ...} which is the set of integers. So we can say that -25 is an integer.

-25 is not a whole number based on the definition I wrote above. The set of whole numbers I wrote above does not include any negative values. This is why -25 is not a natural number either.

We can say that -25 is rational since -25 = -25/1 which is a fraction of integers. Since -25 is rational, it cannot be irrational. 
6 0
3 years ago
Read 2 more answers
% is the correct percentage conversion for 2/5
denis-greek [22]

Answer:

%40

Step-by-step explanation:

<u>Step 1:  Divide 2/5</u>

2/5 = 0.4

<u>Step 2:  Convert to Decimal by multiplying by 100</u>

0.4 * 100 = %40

Answer:  %40

6 0
3 years ago
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1420000 coppies of walt disneys fantasia have been sold to date write a number in scientific notation
faust18 [17]
The answer would be 1.42x10^6
3 0
3 years ago
What’s the domain of the function y=-2(2)x+2?
Vlad1618 [11]

Answer:

Domain: -infinity < x < infinity

Step-by-step explanation:

This function has no undefined points or constraints.

8 0
3 years ago
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