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slavikrds [6]
3 years ago
15

Priya wants to buy three tickets for a concert. She has earned $195 and each ticket costs $80. She borrows the rest of the money

she needs from a bank and buys the tickets.
How can you represent the amount of money that Priya has after buying the tickets?

2. How much more money will Priya need to earn to pay back the money she borrowed from the bank?

3. How much money will she have after she pays back the money she borrowed from the bank?

B. At the beginning of the month Kiran had $24 in his school cafeteria account. Use a variable to represent the unknown quantity in each transaction below and write an equation to represent it. Then, represent each transaction on a number line. What is the unknown quantity in each case?
1. In the first week he spent $16 on lunches. How much was in his account then?

2. Then he deposited some more money and his account balance was $28. How much did he deposit?

3. Then he spent $34 on lunches the next week. How much was in his account then?

4. Then he deposited enough money to pay off his debt to the cafeteria. How much did he deposit?

5 Explain why it makes sense to use a negative number to represent Kiran's account balance when he owes money.
Here is a bank statement.



1. If we put withdrawals and deposits in the same column, how can they be represented?



2. Andre withdraws $40 to buy a music player. What is his new balance?
Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0

Answer:

First one : 3

Step-by-step explanation:

First one : Makes more sense for number 3. We do not know how much money she has now because we do not know the number of tickets.

Second one : I really do not know

Third one : 1

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No. Dividing by 0 is not rational, no number works.

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Given f(x) = x and h(x) = f(x) - 3, how does h(x) compare to f(x)?
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H(x) is less than f(xl

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Whether f(x)=3 or -4, h(x)'s value will always be less than f(x).

7 0
3 years ago
Help me please!! Thank you!
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Step-by-step explanation:

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4 0
3 years ago
A ball is thrown from an initial height of 2 feet with an initial upward velocity of 31 ft/s. The ball's height h (in feet) afte
Vlad1618 [11]

A quadratic equation is in the form of ax²+bx+c. The time at which the height of the ball is 16 feets is 0.717 seconds and 1.221 seconds.

<h3>What is a quadratic equation?</h3>

A quadratic equation is an equation whose leading coefficient is of second degree also the equation has only one unknown while it has 3 unknown numbers. It is written in the form of ax²+bx+c.

The complete question is:

A ball is thrown from an initial height of 2 feet with an initial upward velocity of 31 ft/s. The ball's height h (in feet) after 7 seconds is given by the following, h=2+31t-16t². Find all values of t for which the ball's height is  16 feet. Round your answer(s) to the nearest hundredth.

The time at which the height of the ball is 16 feet can be found by,

h = 2 + 31t - 16t²

16 = 2 + 31t - 16t²

16 - 2 - 31t + 16t² = 0

16t² - 31t + 14 = 0

t = \dfrac{-(-31)\pm \sqrt{(-31)^2-4(16)(14)}}{2(16)}\\\\

t = 0.717 , 1.221

Hence, the time at which the height of the ball is 16 feets is 0.717 seconds and 1.221 seconds.

Learn more about Quadratic Equations:

brainly.com/question/2263981

#SPJ1

4 0
2 years ago
Which equation is represented by the table? x y (x, y) 0 2 (0, 2) 1 –1 (1, –1) 2 –4 (2, –4) A. y = –2x B. y = x – 1 C. y = 2x D.
SashulF [63]
Answer:  [D]:    y  =  -3x  +  2  .
__________________________________________________
4 0
3 years ago
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