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Agata [3.3K]
4 years ago
8

Kyra is playing a card game. Black cards are worth points while red cards take points away. What is her score if she has a black

20-card and a red 42-card?
Mathematics
2 answers:
Murrr4er [49]4 years ago
8 0

Answer:

Her score is -22

Step-by-step explanation:

To get the answer you need to subtract 42 from 20

42-20 is -22

nexus9112 [7]4 years ago
4 0

Answer:

-22

Step-by-step explanation:

20-42=22

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How many solutions does the equation 2x − 2x − 7 = −7 have?
Mekhanik [1.2K]
Hey there!

This equation has infinite solutions.

To solve for this equation, first add -7 to both sides in order to get rid of the constant:
2x-2x-7=-7
2x-2x=0

Now, combine your like terms or add 2x and -2x together:
2x-2x=0
0=0

Because you result in a true mathematical statement (0 is equal to itself), you have an infinite amount of solutions or all real solutions.

To check if this is true, plug in any number in place of x in the original staeltement to see if you result in a true statement:
Let's say x is 5
2(5)-2(5)-7=-7
10-10-7=-7
-7=-7

This proves that you have infinite solutions for your equation. :)
6 0
4 years ago
Please help me figure this out !!?
Alenkinab [10]
Tangent ∠ = opposite / adjacent 
Tan (D) = 24/7 (Answer)
6 0
3 years ago
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3(x + 2) + 4(x - 5) = 10
kondaur [170]

Answer:

24/7

Step-by-step explanation:

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3 years ago
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Geometry Helps please<br> (Only correct Answers only please) Thanks!
nlexa [21]

Answer:

301.44 cubic units

Step-by-step explanation:

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7 0
3 years ago
Find the slope of the line<br><br>A) 4<br><br>B) 1<br><br>C) -1<br><br>D) -4
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Answer:

(-1,3), (0,-1)

(-1-3)/(0+1)= -4/1= -4

the answer is d

7 0
3 years ago
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