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3 years ago

Answer this and i will give brainliest

Mathematics

2 answers:

seropon [69]3 years ago

8 0

Answer:

2x = y

Step-by-step explanation:

As you can see in the table, y = 2x, this is proven by the fact that if you divide any value in the y of the table by 2 you will get its corresponding x value, proving that 2x = y is the function that is used to represent this table's value.

Mariulka [41]3 years ago

4 0

Answer:

2x = y

Step-by-step explanation:

If x = 10

2x = y

2 * 10 = y

20 = y

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The Pyraminx is a Rubik's cube-type toy in the shape of a tetrahedron. The Pyraminx shown below has edges 15\,\text{cm}15cm long

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Answer:

8.727

Step-by-step explanation:

Since the below edge, d = 15 cm, and the height, h = 12.2 cm, we will use the Pythagorean theorem to find the distance r.

$d^2=r^2+h^2$

$(15)^2 = r^2+(12.2)^2$

$r^2 = (15)^2-(12.2)^2=225-148.84=76.16$

$r=\sqrt{76.16}=8.727$

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3 years ago

Find the vertex: -4x² + 16x - 7

guapka [62]

Find the vertex: -4x^2 + 16x - 7

Vertex = ( x, f(x)).

x = -b/2a

x = -16/2(-4)

x = -16/-8

x = 2

f(x) = -4x^2 + 16x - 7

Let x = 2

f(2) = -4(2)^2 + 16(2) - 7

f(2) = -4(4) + 32 - 7

f(2) = -16 + 32 - 7

f(2) = 16 - 7

f(2) = 9

Vertex = (2, 9)

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3 years ago

Carrie had 140 coins.She has 10 times as many coins as she had last month.How many coins did Carrie have last month?

Inessa [10]

Carrie had 14 coins last month

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asambeis [7]

Answer:

1.6 = x axis || 2.5 = y axis

Step-by-step explanation:

each line is 0.5

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2 years ago

What’s a equivalent ratio

Leni [432]

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