The answer is <span>R(x) = (10+x)(400-20x).
</span>If x is amount in dollars added to the original price,
Then let "the cost of each shirt" be equal to the original price ($10) plus x. (10+x).
And since for every unit increase in x, 20 units of shirts are subtracted from the original amount of shirt sold,
Then let "the number of shirts sold" be equal to Twenty (20) units of shirts multiplied by the amount of dollars added to the original price (x), subtracted from The original amount of shirt sold (400). (400-20x). And since Revenue R(x) is equal to "the cost of each shirt" times "the number of shirts sold", therefore:
<span>R(x)=(10+x)(400-20x)
or in quadratic form, </span><span>R(x)=-20x^2+200x+4000. </span>
Answer:
30inches
Step-by-step explanation:
Circumstances is given by πD(where D is diameter)
Then; from the given
30π=dad
Divide by the both side D =30inches
To get y you can move the x's to one side, so 120y=500-35x
then you can isolate the y, y= 500/120-35x/120
:)
Using the probability concept, it is found that there is a 0.7361 = 73.61% probability that the senior selected will not be from high school b given that the senior responded with a choice other than college.
<h3>What is a probability?
</h3>
- A <em>probability </em>is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
Researching the problem on the internet, it is found that:
- 538 seniors responded with a choice other than college.
- Of those students, 99 + 83 + 49 + 31 + 63 + 71 = 396 are not from high school b.
Hence:

0.7361 = 73.61% probability that the senior selected will not be from high school b given that the senior responded with a choice other than college.
You can learn more about the probability concept at brainly.com/question/26148436