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tester [92]
3 years ago
14

How can we show a number increased by 2? Can you prove this using a model? If so, draw the model.

Mathematics
1 answer:
taurus [48]3 years ago
4 0

Answer:

x + 2

Step-by-step explanation:

Let x be the unknown number,

For making the diagram to model this problem,

Take a grid that shows x, ( shown below )

Then take a grid that shows 2.

Join these grids,

We obtain a grid, showing x + 2

Hence, the required expression that represents the given situation is x + 2

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A triangle has sides 11 cm, 16 cm and 7 cm. the largest angles has size of x. calculate X. Round your answer to the nearest degr
marishachu [46]

Answer:

124°

Step-by-step explanation:

cos X = (11²+7²-16²)/2(11)(7)

= (121+49-256)/154

= -86/154

= -0.5584

X = cos~¹ -0.5584 = 124°

4 0
3 years ago
A triangle has an area of 15. One of its sides has length 10. What is the length of the altitude to that side?
UNO [17]

Answer:

Im to lazy to calculate the entire answer but its basically the formula is a*b/2

Step-by-step explanation:

4 0
2 years ago
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If y=x+2 we’re changed to y=x-1 how would the graph of a new function compare with the first one
butalik [34]

The y-intercept is being changed. In the equations given we are using the formula (y=mx +b), b means the y intercept. In this we are changing the y intercept from 2 to -1. There is nothing else being changed.

6 0
3 years ago
What is the graetest commom factor for 6 and 36
Zarrin [17]

Answer:

The greatest common factor of 6 and 36 is

6

Hope it will help :)

6 0
2 years ago
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ΔABC was dilated from point A to get ΔADE. Find the length of AD given a scale factor of 4.
rewona [7]

Since triangle ADE is similar to triangle ABC and the scale factor is 2, the following relation must be fulfilled:

\frac{AD}{AB}=4

The, by substituting the given information, we have

\begin{gathered} \frac{6x-8}{x+2}=4 \\  \end{gathered}

By multiplying both sides by x+2, we get

6x-8=4(x+2)

which gives

6x-8=4x+8

Then, by subtracting 4x to both sides, we have

2x-8=8

and by adding 8 to both sides, we obtain

2x=16

then, x is given by

x=\frac{16}{2}=8

Then, by substitutn

6 0
1 year ago
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