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KengaRu [80]
2 years ago
6

The price for 7 lb of potatoes is $5 what is the price per pound.​

Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
6 0

Answer:

The answer is $1.4.

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How do i do this I cant math​
mote1985 [20]

The correct answer is A

8 0
3 years ago
I don't understand this ​
Mamont248 [21]

Answer:

you have to use graph to make it bro

Step-by-step explanation:

hope it will help you

4 0
3 years ago
A tennis player makes a successful first serve 51% of the time. If she serves 9 times, what is the probability that she gets exa
aleksley [76]

Answer:

P(X=3)

And we can use the probability mas function and we got:

P(X=3)=(9C3)(0.51)^3 (1-0.51)^{9-3}=0.1542  

Step-by-step explanation:

Previous concepts  

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".  

Solution to the problem  

Let X the random variable of interest, on this case we now that:  

X \sim Binom(n=9, p=0.51)  

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

Where (nCx) means combinatory and it's given by this formula:  

nCx=\frac{n!}{(n-x)! x!}  

And we want this probability:

P(X=3)

And we can use the probability mas function and we got:

P(X=3)=(9C3)(0.51)^3 (1-0.51)^{9-3}=0.1542  

4 0
3 years ago
Read 2 more answers
What is the answer I need help with it
aleksandrvk [35]
16+9 is 25 so that's he answer
8 0
3 years ago
Rally​ Co.'s fixed costs to produce toy trucks are​ $200,000. The variable costs to produce each truck are​ $4. They will price
GaryK [48]

Answer:

<em>Their total sales (revenue) when they break-even is $250,000</em>

Step-by-step explanation:

<u>Linear Modeling</u>

Some situations can be mathematically represented as linear functions. If we are in a situation where a linear model is suitable, then we need two independent data to build it up.

The linear function can be expressed in the slope-intercept format:

y = mx + b

Where m and b are constant values.

The total cost function for Rally Co.'s to produce x toy trucks is:

C(x) = 200,000 + 4x

Given they sell each truck for $20, the revenue function is:

R(x)= 20x

The break-even condition is when the costs and the revenue are equal:

20x = 200,000 + 4x

Subtracting 4x:

16x = 200,000

Dividing by 16:

x = 200,000/16

x = 12,500 toy trucks

The revenue at this production level is:

R(x)= 20*12,500=250,000

Their total sales (revenue) when they break-even is $250,000

8 0
2 years ago
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