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jonny [76]
3 years ago
14

Select ALL the equations represented by this tape diagram.

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
4 0

Answer:

A, C, and D

Step-by-step explanation:

A is one answer because if you were to add 3.9 and the value of ?, you would get 8.6. The same would apply to C, just backwards because it is 8.6 = 3.9 + ?. Finally, D is another answer because if you subtract 3.9 from 8.6, you will get the value of ?.

stepladder [879]3 years ago
3 0

Answer:

I think A, C and D

fillerfillerfiller

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Step-by-step explanation:

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Graph the quadratic variation if g(x) varies directly with x^2, and g(x) = 75 when x = 5.
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Answer:

Third graph from the top

Step-by-step explanation:

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You go to an arcade and purchase a card with game credits. After playing 5 games you have 33 credits left. You play 4 more games
Amanda [17]

Answer:

y=-3x+48

Step-by-step explanation:

We will use slope-intercept form of equation to write our equation. The equation of a line in slope-intercept form is: y=mx+b, where m= Slope of the line, b= y-intercept.

To write the equation that represents the number of credits y on the cards after x games, we will find slope of our line.

We have been given that after playing 5 games we have 33 credits left. We play 4 more games and we have 21 credits left. So our points will be (5,33) and (9,21).

Let us substitute coordinates of our both given points in slope formula: m=\frac{y_2-y_1}{x_2-x_1},

m=\frac{21-33}{9-5}

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33=-3\cdot 5+b    

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Upon substituting m=-3 and b=48 in slope-intercept form of an equation we will get,

y=-3x+48

Therefore, our desired equation will be y=-3x+48.

6 0
3 years ago
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