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3 years ago

8

Which two days had a ratio of 2:5 computers sold?

2 answers:

tatyana61 [14]3 years ago

8 0

Answer:

A

Step-by-step explanation:

Wednesday : Friday

6 : 15

6/3 : 15/3

2 : 5

Nana76 [90]3 years ago

7 0

Answer:

A. Wednesday to Friday

Step-by-step explanation:

Wednesday/Friday=6/15=2/5

2/5=2:5

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posledela

Answer:

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Step-by-step explanation:

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3 years ago

Find all the zeros of the equation

lapo4ka [179]

Divide both sides by -3, and replace $x^2$ with $y$ . Then

$-3x^4+27x^2+1200=0\iff y^2-9y-400=0$

Factorize the quadratic in $y$ to get

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which in turn means

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But $x^2\ge0$ for all real $x$ , so we can ignore the first solution. This leaves us with

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4 years ago

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Artyom0805 [142]

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3 years ago

Denzel wants to work out the density of a block of wood the block of wood is in the shape of the cuboid

marishachu [46]

Answer:

$Density = 1.094g/cm^3$

Step-by-step explanation:

Given

$Length = 17.7cm$

$Width = 8.3cm$

$Height = 13.0cm$

$Mass = 2090g$

See attachment

Required

Determine the density of the wood

First, we calculate the volume of the wood.

$Volume = Length * Width * Height$

Substitute values for Length, Width and Height

$Volume = 17.7cm * 8.3cm * 13.0cm$

$Volume = 1909.83cm^3$

The density is:

$Density = \frac{Mass}{Volume}$

$Density = \frac{2090g}{1909.83cm^3}$

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3 years ago

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