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x exceeds 3 by 7, can be represented as...

x exceeds 3 by 7, can be represented as

A

`x+3 = 2`

B

`x+7 = 3`

C

`x-3= 7`

D

`x-7 =3`

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x exceeds y by 7 can be expressed as __________

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Knowledge Check

  • 8 more than three times the number x can be represented as

    A
    ` 8 + x + 3`
    B
    ` 3x-8 `
    C
    ` 3x+8`
    D
    ` 8x+3`

  • For the reaction x+2y to3z the rate at a given instant of time can be represented as:

    A
    `+(d[x])/(dt)=+(d[y])/(dt)=-(d[z])/(dt)`
    B
    `-(d[x])/(dt)=-1/2(d[y])/(dt)=+1/3(d[z])/(dt)`
    C
    `-1/2 (d[x])/(dt)=+1/2(2d[y])/(dt)=-1/3(3d[z])/(dt)`
    D
    `-2(d[x])/(dt)=+1/2(2d[y])/(dt)=-(3d[z])/(dt)`

  • The intervals (2,7) can be represented by the

    A
    `{x:x in R, 2 lt x le 7}`
    B
    `{x, x in R,2 le xle 7}`
    C
    `{x, x in R,2 lt x lt 7}`
    D
    `{x, x in R,2 le x le 7}`

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