3 years ago

HELP PICTURE IS SHOWN

Mathematics

1 answer:

vampirchik [111]3 years ago

5 0

I would say either C or D because they give the most information.

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The density of gold is 19.3 g/cm3. What is the density in kilograms per cubic meter? A. 1.93 x 102 kg/m3 B. 1.93 x 104 kg/m3 C.

never [62]

we are given

density of gold = 19.3g/cm^3

we know that

$1g=10^{-3}kg$

$1cm=10^{-2}m$

we have to change it into kg/m^3

so, we can plug these values

$19.3\frac{g}{cm^3} =19.3\frac{10^{-3}kg}{(10^{-2}m)^3}$

we can also write as

$19.3\frac{g}{cm^3} =19.3\frac{10^{-3}}{(10^{-2})^3}\frac{kg}{m^3}$

now, we can simplify it

$19.3\frac{g}{cm^3} =19300\frac{kg}{m^3}$

$19.3\frac{g}{cm^3} =1.93\times 10^4 \frac{kg}{m^3}$ ..............Answer

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3 years ago

A square target is shown. A dart is dropped randomly onto the target. The dart is equally kely to hit any spot on the target

almond37 [142]

Answer:

23/5.................

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3 years ago

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JulsSmile [24]

Answer:

3.643 X 10 -1

Step-by-step explanation:

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3 years ago

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The system of equations cx + 3y = c – 3 and 12x + cy = c will have infinitely many solutions if the value of c is

irinina [24]

Answer:

Step-by-step explanation:

1. re-write the given system:

cx+3y=c-3; => y= -cx/3 +(c-3)/3

12x+cy=c; => y= -12x/c+c/12

2. according the condition the rule for the parallel graphs is:

-c/3= -12/c

3. to calculate the unknown 'c':

c²=36; ⇔c=±6

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3 years ago

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2x+10=6(x-1) What does x equal

Gennadij [26K]

Answer:

x=4

Step-by-step explanation:

2x+10=6(x-1)

2x+10=6x-6

10=6x-2x-6

10=4x-6

16=4x

4=x

4 0

3 years ago