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notka56 [123]
3 years ago
11

A group of five will rent a car for a spring break trip and divide the costs associated with the car among them. The rental cost

s $480 for the week insurance is an additional $175 they estimated they’ll use 120 gallons of gas and gas cost around 2.80 estimate how much each friend will pay for the cost associated with the car
Mathematics
1 answer:
xenn [34]3 years ago
7 0

Answer:

i really dont know

please explain the question more

Step-by-step explanation:

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Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
GenaCL600 [577]
3.14(3^2 +3(4)
3.14(9+12)
3.14(21)
65.94
6 0
3 years ago
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Monique has 3 eggs and needs to buy more. A store has 6 dozens of eggs. Monique needs to buy at least 2 dozen. The number of egg
babymother [125]

Let

x--------> the number of dozen of eggs

f(x)-------> the number of eggs

we know that

f(x)=12x+3

The domain of the function is the amount of dozens of eggs that Monica can buy

The domain is the interval-------> [2,3,4,5,6]

All integers from 2 to 6, inclusive

The range is the interval-------> [27, 39, 51, 63, 75]

therefore

<u>the answer is the option</u>

All integers from 2 to 6, inclusive


7 0
3 years ago
Read 2 more answers
a coin will be tossed 10 times. Find the chance that there will be exactly 2 heads among the first five tosses and exactly 4 hea
777dan777 [17]

Answer:

The chance that there will be exactly 2 heads among the first five tosses and exactly 4 heads among the last 5 tosses is P=0.0488.

Step-by-step explanation:

To solve this problem we divide the tossing in two: the first 5 tosses and the last 5 tosses.

Both heads and tails have an individual probability p=0.5.

Then, both group of five tosses have the same binomial distribution: n=5, p=0.5.

The probability that k heads are in the sample is:

P(x=k)=\dbinom{n}{k}p^k(1-p)^{n-k}=\dbinom{5}{k}\cdot0.5^k\cdot0.5^{5-k}

Then, the probability that exactly 2 heads are among the first five tosses can be calculated as:

P(x=2)=\dbinom{5}{2}\cdot0.5^{2}\cdot0.5^{3}=10\cdot0.25\cdot0.125=0.3125\\\\\\

For the last five tosses, the probability that are exactly 4 heads is:

P(x=4)=\dbinom{5}{4}\cdot0.5^{4}\cdot0.5^{1}=5\cdot0.0625\cdot0.5=0.1563\\\\\\

Then, the probability that there will be exactly 2 heads among the first five tosses and exactly 4 heads among the last 5 tosses can be calculated multypling the probabilities of these two independent events:

P(H_1=2;H_2=4)=P(H_1=2)\cdot P(H_2=4)=0.3125\cdot0.1563=0.0488

7 0
3 years ago
What is a Theorem? PLEASE HELP!! a A known fact. b Information that seems true but must be proven. c A definition. d A formula.
bezimeni [28]

Answer:

D. A formula

Step-by-step explanation:

If you look at an example of a theorem, let's try Pythagorean Theorem, you can see it is a formula used to find an angle of a triangle, especially a hypotenuse.

8 0
3 years ago
What is x2+y2−10x+6y+18=0
omeli [17]

Answer:

33

Step-by-step explanation:

6 0
3 years ago
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