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zepelin [54]
3 years ago
14

Can somebody help me out with this please?

Mathematics
1 answer:
Crank3 years ago
4 0

Answer:

2 marbles

Step-by-step explanation:

Lana has 3 bags with x marbles in each bag totaling 12 marbles

3x=12

Divide by 3

3x/3 =12/3

x =4

Each bag has 4 marbles

Markus has 3 bags with y marbles totaling 18 marbles

3y =18

Divide each side by 3

3y/3 =18/3

y =6

Each bag has 6 marbles

6-4 =2

There are 2 more marbles in Markus' bags than in Lara's

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I’m not completely sure, but I would say about 3/5 because of the fact that the X is not directly in the middle, so it can’t be 1/2 but it’s very close to the middle which could make it possible that it is 3/5?
8 0
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Someone please help me with this question asap.
vova2212 [387]

Answer:

-1<x<1 and 1<x

Step-by-step explanation:

We are asked to determine the interval in which our function shown in the graph has positive values.

In order to do so, we have to see for what values of x on x axis, the graph is above x axis.

As we can see in the graph, when we move from x = -1 towards right, the graph is above x axis. And towards left of x=-1 , the graph is below x axis. Hence answer is

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7 0
3 years ago
2(x-4) + 3x-x² for x = 3.
finlep [7]

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-2

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8 0
2 years ago
the model is 40cm and the actual length is 80.6 m. Using the same ratio, if a new model is 7 cm long, how long would the actual
bonufazy [111]
The actual length is 14.105
7 0
3 years ago
Three houses A B and Clie on the same line on a map. House Blies exactly in the middle of house A and house C The point (3,6) on
Svetlanka [38]

Answer:

(-13, -12)

Step-by-step explanation:

The midpoint (x,y) between two points (x_1,y_1) and (x_2,y_2) on the coordinate plane is given by:

x=\frac{x_1+x_2}{2};\\\\y=\frac{y_1+y_2}{2}

Hence given that house A is at (3, 6) and house B is at (-5, -3). Since house B is placed at the middle of house A and house B, let the coordinates of house C be (x_2,y_2). Hence:

-5=\frac{3+x_2}{2\\} \\3+x_2=-10\\\\x_2=-10-3\\\\x_2=-13

-3=\frac{6+y_2}{2\\} \\6+y_2=-6\\\\y_2=-6-6\\\\y_2=-12

Therefore house C is at (-13, -12)

3 0
3 years ago
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