The cost of a watermelon depends on its weight which of the following shows this idea expressed in function notation A: weight(cost)

B: cost(watermelon)

C: cost(weight)

D: weight (watermelon)

Answers

Answer 1

Answer:

Answer:

Option C is correct.

Step-by-step explanation:

The general form for writing a function of x is f(x) where f depends on value of x.

Here, in the given options, Option C is correct as weight is a function for cost. The cost depends on the weight. The more the weight of the watermelon, the more its cost. So, C: cost(weight) is correct.

Options B and D are irrelevant and option A is also wrong as it signifies that weight depends on cost which is wrong.

Answer 2

Answer:

That would be choice C, cost as a function of weight.

Answer: C

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If t = 10m + 40 models this scenario,t = total cost;
m = number of months;

Which of the following statements is true?

O A. The total cost will increase by $40 for every 10 months that pass.
B. The total cost will increase by $10 for every 40 months that pass.
C. The total cost will increase by $10 for every month that passes.
D. The total cost will increase by $40 for every month that passes.

Answers

The answer is d ...........................

What is 5+5? Answer for 20pints!

Answers

5+5 equals 10..........

Well, when you do 5 plus 5, you can use your hands because you have 5 on each finger, so 5 + 5 = 10
Hope this helped!

On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a heart attack. The doctors told her that the reliability of the stress test is 67%. The test predicted that Erin will not have a heart attack. What is the probability after the test was taken that she will have a heart attack?A. 0.4051

B. 0.5010

C. 0.4653

D. 0.6632

Answers

On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a heart attack. The doctorstold her that the reliability of the stress test is 67%. The test predicted that Erin will not have a heart attack. The probability after the test was taken that she will have a heart attack is "B. 0.501."

Answer:

The probability that she will not have a heart attack and the test predicts that she will is 0.4653 or 46.53%

Step-by-step explanation:

Hint- This a conditional probability problem where Bayes theorem should be applied.

Applying Bayes theorem,

$P(\text{No heart attack}\ |\ \text{Correctly tested})=$

$\frac{P(\text{Correctly tested}\ |\ \text{No heart attack})\cdot P(\text{No heart attack})}{P(\text{Correctly tested})}$

$P(\text{Correctly\ tested}\ |\ \text{No\ heart\ attack})=67\%=0.67$

$P(\text{No\ heart\ attack})=1-P(\text{heart\ attack})=1-0.7=0.3$

$P(\text{Correctly\ tested})=[P(\text{No\ heart\ attack})* P(\text{Correctly\ tested})]+[P(\text{Heart\ attack})* (\text{Incorrectly\ tested})]$

$=[0.3* 0.67]+[0.7* 0.33]=0.432$

Putting the values,

$P(\text{No\ heart\ attack}\ |\ \text{Correctly\ tested})=(0.67* 0.3)/(0.432) =0.4653$

∴ There is a probability of 0.4653 or 46.53% chance that she will not have a heart attack even though the test predicts that she will.

The Sum of three consecutive odd integers is 195

Answers

consecutive odd are 2 away from each other
n, n+2, n+4

they add to 195
n+n+2+n+4=195
3n+6=195
subtract 6
3n=189
divide 3
n=63

63+2=65
63+4=67

the numbers are 63,65,67

The equation is 63+65+67=195

Connor went to New York for vacation. He spent 3 nights at a hotel and rented a car for 4 days. Jillian stayed at the same hotel, but spent 4 nights and rented a car for 5 days from the same company. If Connor paid $675 and Jillian paid $875, how much did one night at the hotel cost?

Answers

The answer for the question in problem would be $125 is the price of hotel per night. This is computed by establishing the equations from the given statements, 3x + 4y = 625 and 4x +5y = 875. And by substitution you would get the answer of 125 as the price per night n the hotel and 75 per day for the rental of car.

Answer:

The cost of one night at the hotel is $125

Step-by-step explanation:

Let the cost of each night spend in hotel is = $x

Let the cost of each day of car rented = $y

Cannor spent 3 nights at a hotel and rented a car for 4 days paid $675.

$\Rightarrow3x+4y=675$ ......(1)