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luda_lava [24]
3 years ago
5

I need help and it is y intercept and x intercept

Mathematics
1 answer:
Neporo4naja [7]3 years ago
5 0

Answer:

y-intercept (0, -3) and x-intercept (3/2, 0)

Step-by-step explanation:

y + 5 =2(x + 1)

y + 5 =2x + 2

subtract 5 from both side

y =2x -3

-3 is the y-intercept because in y=mx+b, b is the y-intercept and it always starts at 0.

To find the x-intercept, we need to plug in 0 for y in y =2x -3

0=2x -3

add 3 to both sides

2x=3

divide both sides by 2

x=3/2 and so the x-intercept is 3/2 and it always starts at 0.

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Juan tiene cubos azules de 55 mm de arista y cubos rojos de 45 mm de arista. Los apila en dos columnas, una de cada color ; quie
balu736 [363]

the question in English

Juan has blue cubes with a 55 mm edge and red cubes with a 45 mm edge. He stacks them in two columns, one of each color; he wants the two columns to be the same height. How many cubes does he need, as a minimum, of each color?

Let

x---------> the number of blue cubes

y--------> the number of red cubes

we know that

Juan wants that  the two columns to be the same height

so

55x=45y

solve for y

y=\frac{55}{45}x

I proceed to calculate a table, assuming values of x to calculate the value of y. When the values of x and y are whole numbers, I will have found the solution.    

the table in the attached figure

therefore

<u>the answer is</u>

9 blue cubes

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3 years ago
Dj Jacqueline is making a playlist for a friend: she is trying to decide what 15 songs to play and in what order they should be
Tasya [4]

Answer:

4.4 * 10^21

Step-by-step explanation:

Given :

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If she wants equal Number if the 3 genres

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Hence,

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Combination formula :

pCr = p! / (p-r)! r!

Using calculator to save computation time :

(10C5 * 25C5 * 10C5) * n!

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pishuonlain [190]

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Step-by-step explanation:

We are given the dimensions of a rectangular prism;

3cm 9cm and 6cm

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We need to know that;

Surface area of a rectangular prism is given by;

A = 2(WL+HL+WH)

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Assuming;

Width is 3 cm

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Area = 2 ( (3×9) + (6×9) + (3×6))

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Therefore, the area of the rectangular prism is 198 cm²

3 0
2 years ago
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