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3 years ago

10

Calculate the following equation: 7 subtract 2/4

2 answers:

IrinaK [193]3 years ago

8 0

I believe the correct answer is 6.4.

Cerrena [4.2K]3 years ago

8 0

This is not an equation. See picture.

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Solve the algebraic expressions y+4 if y =3.6

SVETLANKA909090 [29]

Y+4
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3 years ago

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At a store each notebook has a cost of x dollars. Which situation can be represented by this inequality?

kakasveta [241]

Answer:

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Step-by-step explanation:

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3 years ago

((2x^9)(y^n))((4x^2)(y^10))=(8x^11)(y^20)

tino4ka555 [31]

We are given

$((2x^9)(y^n))((4x^2)(y^{10}))=(8x^{11})(y^{20})$

Firstly, we simplify left side

Left side is

$((2x^9)(y^n))((4x^2)(y^{10}))$

we will make all x terms together

and y terms together

$(2x^9)(4x^2)(y^n)(y^{10})$

$2\times 4(x^9)(x^2)(y^n)(y^{10})$

$8(x^9)(x^2)(y^n)(y^{10})$

we can multiply left side by using exponent rule

$a^m\times a^n=a^{m+n}$

$8(x^{9+2})(y^{n+10})$

$8(x^{11})(y^{n+10})$

now, we can set them equal

$(8x^{11})(y^{n+10})=(8x^{11})(y^{20})$

Since, both sides have x,y and 8

and both are equal

so, their exponent must be equal

so, exponent of y must also be equal

we get

$n+10=20$

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3 years ago

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antiseptic1488 [7]

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3 years ago

Whats 20.5833333333 in fraction form

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It should be 20 7/12

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3 years ago