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2 years ago

11

The amount Denise charges to repair computers $50 an hour plus a $25 service fee write an expression to show how much she will c

harge for H hours of work

2 answers:

Darya [45]2 years ago

8 0

50+25h= ???
This is an equation i hope this helped!

Natalija [7]2 years ago

4 0

The answer you are looking for is 50h+25
Hope that this helps!

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In Rivertown High School, about 30% of the students buy a raffle ticket. Given that a student buys a raffle ticket, there is a 1

lesya [120]

The probability that that a randomly selected student will buy a raffle ticket and win a prize = 0.03

Step-by-step explanation:

Step 1 :

Given,

The percentage of students buying the raffle ticket = 30%

The percentage that the student who bought the ticket wins the prize = 10%

We need to determined the probability that randomly selected student will buy a raffle ticket and win a prize.

Step 2 :

The probability that a student buys the raffle ticket = $\frac{30}{100} = \frac{3}{10}$

The probability that a student wins a prize = $\frac{10}{100}$ = $\frac{1}{10}$

The probability that a student who buys the ticket wins a price can be computed by taking the product of the above 2 probabilities.

= $\frac{3}{10}$ × $\frac{1}{10}$ = $\frac{3}{100}$ = 0.03

Step 3 :

Answer :

The probability that that a randomly selected student will buy a raffle ticket and win a prize = 0.03

6 0

3 years ago

In a poker hand consisting of 5 cards find the probability of holding

elena-14-01-66 [18.8K]

Holding what.......? can u be more specific?

4 0

3 years ago

Rewrite the equation in vertex form. Name the vertex and y-intercept. y=3/5x^2+30x+382

Serga [27]

<span>(y-7) = 3/5 (x+25)^2 so the y intercept is -7 and the vertex is 35

</span>

7 0

3 years ago

Read 2 more answers

A square with side x is changing with time where x(t)=3t+1. What is rate of change of the area of the square when t=2 seconds.

GuDViN [60]

Answer:

Rate of change of the area of the square is 42 units at t = 2.

Step-by-step explanation:

We note that the area of the square is given by: $A(x) = x^2$ but we aim to find $\frac{dA}{dt}$ . But we can use the chain rule to pull out that dA/dt. Doing so gives us:

$\frac{dA}{dt} = \frac{dA}{dx} \times \frac{dx}{dt}.$

Now, $\frac{dA}{dx} = 2x$ (by the power rule and $\frac{dx}{dt} = 3.$

But since we have "x" and not "t", we want to find what x is when t = 2. Substituting t = 2 gives us x(2) = 3(2) + 1 = 7.

So, finally, we see that:

$\frac{dA}{dt} = 2(7) \times 3 = 14 \times 3 = 42.$

7 0

3 years ago

If C4=15 and C7=14, what is the result of the logical expression C4>C7 true or false

kvasek [131]

The answer is True because just plug in the numbers

C4=15 and C7=14

logical expression

C4>C7

15>14

That reads to 15 is greater than 14, which is true

3 0

2 years ago