Samantha has a king of hearts, jack of Simone's, and a 3 of spades. Write an expression to find the value of her cards

1 answer:

6 0

First of all, its the jack of diamonds. Well, the king is worth 10 or 13. The jack is worth 11 or 10. The 3 is worth either 3 or 5. Depending on what you mean by value, the expression could be 13+11+3 or 10+10+5.

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Noah bought 15 baseball cards for $9.00. Each baseball card costs the same amount. How much will 12 baseball cards cost

denis-greek [22]

15 cards = 9$

1 card = (9/15)$

12 cards = 9/15 * 12

= 108/15

= 7.2$

6 0

3 years ago

1. Grace was given the equation 2x + 20 = 15. She decides to add 10 to both sides of the equation. a.) Is that an acceptable mov

vlada-n [284]

9514 1404 393

Answer:

yes
2x +30 = 25

Step-by-step explanation:

Adding the same number to both sides of the equation is an acceptable move. The addition property of equality tells Grace that the value of the variable will remain unchanged by such a move.

Her new equation would be ...

2x +20 +10 = 15 +10

2x +30 = 25 . . . . the result of Grace's move

_____

<em>Additional comment</em>

There may be very good reasons why Grace would want to do that. If solving the equation is Grace's intent, that move would be counterproductive. For the purpose of solving the equation, it would be more productive to either subtract 20 from both sides, or divide both sides by 2. These steps would give, respectively, ...

2x = -5

x +10 = 7.5

6 0

3 years ago

I need your help asap my teacher is coming

Eddi Din [679]

alright whats your question ?

5 0

3 years ago

Read 2 more answers

The difference of 13 and 5 times a number is 3.

Artemon [7]