3 years ago

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Mathematics

1 answer:

enot [183]3 years ago

3 0

Answer:12

Step-by-step explanation:

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How is 0.004 the same as and different from 0.444?

Lorico [155]

Answer:both are in thousandths place,in the thousandths place both have 4 as a value

Step-by-step explanation:

8 0

3 years ago

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The Johnson twins were born four years after their older sister. This year, the product of the three siblings ages is exactly 34

svp [43]

Answer:

Step-by-step explanation:

Let age of each twin be x

let age of sister be s

So we can write:

x + 4 = s

The product of the 3 siblings ages is 3482 more than sum. We can write:

$s*x*x=3482+(s+x+x)$

This can be simplified as:

$sx^2=3482+s+2x$

We replace s with "x + 4" and solve:

$(x+4)x^2=3482+x+4+2x\\x^3+4x^2=3486+3x\\x^3+4x^2-3x-3486=0\\x=14$

Note: To solve this cubic, we used technology

Thus, we can say the twins are 14 years old

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3 years ago

What is the area of this tile? Is it in. or in2

sineoko [7]

Answer:

A = 4 in^2

Step-by-step explanation:

The area is given by

A = l*w

A = 1in * 4 in

A = 4 in^2

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3 years ago

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Factorise x 2 + 2 x − 48

Hatshy [7]

Answer:

x^2+ 2x +-48

product: -48 sum: 2

8, -6

x^2 +8x - 6x - 48

=> x(x+8) -6(x+8)

=> (x+8)(x-6)

Hope it helps...........

8 0

2 years ago

Evaluate (3)^2 + (-2)^4

riadik2000 [5.3K]

Answer:

Step-by-step explanation:

3^2=9

-2^4=16

9+16=25

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2 years ago

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