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Leni [432]
3 years ago
5

Ms. Gartland bought x number of shirts for the new members of her chorus. The cost for x number of shirts including $3.99 shippi

ng, was $77.49. Each shirt cost $12.25. There was no sales tax on the purchase. What equation could be used to find x.
A - 3.99(x + 12.25) = 77.49

B - 3.99x + 12.25 = 77.49

C - 12.25(x + 3.99) = 77.49

D - 12.25x + 3.99 = 77.49
Mathematics
2 answers:
nirvana33 [79]3 years ago
8 0

Answer: The answer would be

D - 12.25x + 3.99 = 77.49

Step-by-step explanation:

If each shirt costs $12.25, that would be 12.25 times “x” amount of shirts. Then, you add the $3.99 shipping amount. Which all equals 77.49.

klio [65]3 years ago
8 0
The answer is D so pick d and I hope you do good on ya work
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In the cafeteria, tables are arranged in groups of 5, with each table seating 7 students.
Shalnov [3]

Answer:

280 i believe

Step-by-step explanation:

5 x 7 x 8 = 280

4 0
3 years ago
Samir is an expert marksman. When he takes aim at a particular target on the shooting range, there is a 0.950.950, point, 95 pro
bearhunter [10]

The question is incomplete. Here is the complete question:

Samir is an expert marksman. When he takes aim at a particular target on the shooting range, there is a 0.95 probability that he will hit it. One day, Samir decides to attempt to hit  10 such targets in a row.

Assuming that Samir is equally likely to hit each of the 10 targets, what is the probability that he will miss at least one of them?

Answer:

40.13%

Step-by-step explanation:

Let 'A' be the event of not missing a target in 10 attempts.

Therefore, the complement of event 'A' is \overline A=\textrm{Missing a target at least once}

Now, Samir is equally likely to hit each of the 10 targets. Therefore, probability of hitting each target each time is same and equal to 0.95.

Now, P(A)=0.95^{10}=0.5987

We know that the sum of probability of an event and its complement is 1.

So, P(A)+P(\overline A)=1\\\\P(\overline A)=1-P(A)\\\\P(\overline A)=1-0.5987\\\\P(\overline A)=0.4013=40.13\%

Therefore, the probability of missing a target at least once in 10 attempts is 40.13%.

6 0
3 years ago
Read 2 more answers
A stack of 6 bricks is 2 feet high. How high is a stack of 20 bricks?
Korolek [52]
60.

The question gives you the fact that 6 bricks is 2 feet high.

What do you do to get from 2 to 20?
You multiply by 10.

Since you multiplied one thing by 10, you must do it to the other side so it remains balanced.

2 ft x 10ft = 20ft

6 bricks x 10 bricks = 60 bricks
8 0
3 years ago
Two workers paint lines for angled parking spaces. One worker paints a line so that m∠1=65. The other worker paints a line so th
scoundrel [369]

The image of the car park showing the 2 angles is attached.

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Their lines are parallel.

Step-by-step explanation:

From the attached image, we can see that ∠1 and ∠2 form a pair of alternate exterior angles. Thus; ∠1 = ∠2.

Now since they are congruent, it means that their lines will be parallel.

Thus, we can conclude that their lines are parallel.

3 0
3 years ago
Cameron said that the Y intercept of a quadratic function always tells the maximum value of the function. explain Cameron's erro
Leno4ka [110]

Answer:

We can have two cases.

A quadratic function where the leading coefficient is larger than zero, in this case the arms of the graph will open up, and it will continue forever, so the maximum in this case is infinite.

A quadratic function where the leading coefficient is negative. In this case the arms of the graph will open down, then the maximum of the quadratic function coincides with the vertex of the function.

Where for a generic function:

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The vertex is at:

x = -a/2b

and the maximum value is:

y(-a/2b)

4 0
3 years ago
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