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sineoko [7]
2 years ago
6

Ryan spent $15 on a magazine and some notepads. If the magazine cost $5 and each notepad cost $2, then how many notepads did he

buy?
Mathematics
2 answers:
Anna [14]2 years ago
8 0

Answer:

Ryan purchased 5 notebooks

Step-by-step explanation:

you take away the cost of the magazine which leaves you with 10 then you divide 10 by the cost of the notebooks which is 2 and that leaves you with 5

Hope this helped!

Tamiku [17]2 years ago
3 0
Answer
If Ryan spent $15 on a magazine and some notepads, and the notepads each cost $2 and the magazine cost $5 then Ryan bought five notepads.

Explanation
Since we know that the magazine costs five dollars we take 15 in -5 dollars off of that. 15-5 = 10. Now that we have $10 left and we know that the notepads each cost two dollars we divide 10 by 2. 10÷2 = 5. This means that each notepad costs $2 and that he bought five of them. You can check your answer by reversing the equation. If you bought five notepads and they each cost two dollars you spend 10 dollars (5 x 2 = 10).




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7 0
3 years ago
Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average. Margie wants to k
mojhsa [17]

Answer:

0.6804

Step-by-step explanation:

Given that Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average.

Since each trial is independent and there are two outcomes, X no of good serves is binomial with n=6 and p =2/3

Required probability

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=P(X\geq 4)

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Formula used:

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7 0
3 years ago
Read 2 more answers
A marketing company is designing a new package for a box of cereal. They have determined that the function C(x) = 4.5 x2 models
Vlad1618 [11]

So the function is

\\ \rm\rightarrowtail y=4.5x^2

As we know

  • x²≥0
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hence domain is

\\ \rm\rightarrowtail D_f\in R

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Hence range:-

\\ \rm\rightarrowtail R_f\in [0,\infty)

6 0
2 years ago
together Xavier,Yolanda,and Zachary have $4.44 . if each person has the same amount , how much money does each person have?
Anarel [89]
$1.48 because $4.44 divided by 3 equals $1.48
4 0
3 years ago
Read 2 more answers
Simplify (-x^2 – 28x + 7) + (-7x^2 + 14x + 8).
Anon25 [30]

Add numbers with the same amount of variables

-x^2 + (-7x^2) = -8x^2

– 28x (+ 14x )= -14x

7 (+ 8) = 15

-18x² - 14x + 15 is your answer

hope this helps

6 0
3 years ago
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