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liberstina [14]
3 years ago
8

The graph shows a bacteria population as a function of the number of days since an antibiotic was introduced.

Mathematics
2 answers:
spayn [35]3 years ago
6 0

Answer:

14 million bacteria


Step-by-step explanation:

At time=0, the bacteria was introduced.

<em>The first point on the graph, the y-point corresponding to t=0, is the initial amount of bacteria</em>. This point is 14.

Since y-axis is given in millions, 14 corresponds to 14 million.


Hence, 14 million bacteria were present when the antibiotic was first introduced.

miss Akunina [59]3 years ago
4 0
14 million bacteria were present when the antibiotic was first introduced.
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ale4655 [162]

Answer:

20.25

Explanation:

We first need to find the length of one side of the square. We can do this by dividing the area by 4 (27/4), since a square has four sides. You should get 6.75. Now you can multiply 6.75 by three since one side of the square is the same as one side of the triangle. Also, it is an equilateral triangle and all sides are the same. If you multiply correctly, you should get 20.25. Hope this helped!

8 0
3 years ago
Read 2 more answers
In the clip from the Simpsons, Ralph charges Bart twice the fair from Tucson to Flagstaff, minus 2/3 the fair from Albuquerque t
cluponka [151]

Answer:

$20.

Step-by-step explanation:

Given:

In the clip from the Simpsons, Ralph charges Bart twice the fair from Tucson to Flagstaff, minus 2/3 the fair from Albuquerque to El Paso.

It costs $40 to travel from Tucson to Flagstaff,

And $90 to travel from Albuquerque to El Paso.

Question asked:

How much does Bart need to pay ?

Solution:

Fair to travel from Tucson to Flagstaff = $40

Fair to travel from Albuquerque to El Paso = $90

<u>As Ralph charges Bart twice the fair from Tucson to Flagstaff, minus 2/3 the fair from Albuquerque to El Paso. </u>

Bart\ need\ to\ pay=2 \times\$40 - \frac{2}{3} \times\$90\\ \\

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Thus, Bart need to pay $20.

5 0
3 years ago
Order the numbers from least to greatest.<br> 17.2.3
nordsb [41]
The order of these numbers is 2, to 3, to 17. hope this helps :))
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3 years ago
A researcher found a study relating the value of a car, y, to the age of the car, x. When researchers looked at the association
vredina [299]

Answer: c) About 16% of the variation in value of the car is explained by a linear relationship with the age of the car.

e) The correlation coefficient, r, is 0.397.

Step-by-step explanation:

Given that:

Coefficient of determination (r²) between two variables, age of car (x) and value of car (y) = 0.158

Correlation of determination (r²) of 0.158 = (0.158 × 100% = 15.8% of the variation between the two variables can be explained by the regression line). Hence, about 16% of the variation between age and value of car can be explained by the linear relationship.

Coefficient of correlation (r) = sqrt(r²) = sqrt(0.158) = 0.397

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A car traveled at a constant speed for 4 hours and covered 144.6 miles. It used 12 gallons of gas to travel this distance. How f
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