based on the number of mice that took part in the experiment, the total number of mice that had at least one effect is 20 mice.
<h3>how many mice had a health effect?</h3>
15 mice had at least 1 tumor while 4 mice had both a tumor and respiratory failure.
the number of mice with just a tumor is:
= 15 - 4
= 11 mice
the number of mice with respiratory failure alone is:
= 9 - 4
= 5 mice
the mice that had at least one symptom is:
= 11 + 5 + 4 mice with both
= 20 mice
question is:
what are the number of mice with at least one effect?
find out more on effects of smoking at brainly.com/question/12135800.
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well, if we try to plot and conect them, we will get square, so the answer is d
Is renting a car
company A charges $120 plus 25 dollars per day
company B charges 45 dollars per day
at how many days will the costs be equal
120+25x
x=days
45x
120+25x=45x
subtract 25x from btoh sdies
120=20x
divide both sdie sb 20
6=x
the answer is 6 days
Yes, (3,-1) is a solution to the graphed system of inequalities.
<h3>What are system of inequalities?</h3>
When mathematical expressions are compared, with non-strict equality, then such mathematical statements are called mathematical inequalties.
A collection of inequalities for which we consider a common solution for all inequalities is called a system of inequalities.
As we can see in the graph that the two lines are interest in the second quadrant at point such as(x, -y).
So, the point will be a solution also because it lies in the shaded region.
Therefore, Yes, (3,-1) is a solution to the graphed system of inequalities.
Learn more about graphing inequalities here:
brainly.com/question/19598687
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Answer:
3:1
Step-by-step explanation:
240 necklaces in one month
180-sold on website
60- sold in shop
180:60
then you would simplify
so the final answer is 3:1
