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masya89 [10]
3 years ago
8

1/4 x 2/5=

Mathematics
1 answer:
Zanzabum3 years ago
8 0

Answer:

1/10

Step-by-step explanation:

The answer is 1/10 because multiply the numerator and got 2 and then the denomi actors and got 20.

So it would be 2/20.

Then you simplify 2/20 to 1/10

2÷2=1

20÷2÷10

Then you get 1/10.

Hope i helped

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Answer:

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Step-by-step explanation:

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Which equation represents a proportional relationship that has a constant of proportionality equal to –10?
aksik [14]

Answer:

y = - 10x

Step-by-step explanation:

The equation representing a proportional relationship is

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4 years ago
Which shows how to find the value of this expression when x=-2 and y=5? <br> (3x^3y^-2)2
Gnoma [55]

Put x = -2 and y = 5 to the expression.

(3x^3y^{-2})^2

\left[3\cdot(-2)^3(5)^{-2}\right]^2=\left[3(-8)\cdot\dfrac{1}{5^2}\right]^2=\left(-24\cdot\dfrac{1}{25}\right)^2=\left(-\dfrac{24}{25}\right)^2\\\\=\dfrac{24^2}{25^2}=\dfrac{576}{625}

explanation

(-2)^3=(-2)(-2)(-2)=-8\\\\a^{-n}=\dfrac{1}{a^n}\to5^{-2}=\dfrac{1}{5^2}=\dfrac{1}{(5)(5)}=\dfrac{1}{25}\\\\a^2\geq0\ \text{for any real number}\to\left(-\dfrac{24}{25}\right)^2=\left(\dfrac{24}{25}\right)^2\\\\\left(\dfrac{a}{b}\right)^2=\dfrac{a^2}{b^2}\to\left(\dfrac{24}{25}\right)^2=\dfrac{24^2}{25^2}=\dfrac{(24)(24)}{(25)(25)}=\dfrac{576}{625}

6 0
4 years ago
If there is 7018 mm, what is the metric unit for 7.018?
Allushta [10]
It's (m) Meters. Hope this helped you! (ノ◕ヮ◕)ノ*:・゚✧

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3 years ago
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