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Arlecino [84]
2 years ago
10

How do you write 4.2 x 104 in standard form?

Mathematics
1 answer:
Zarrin [17]2 years ago
5 0

42000

I haven't done scientific notation stuff in forever. Sorry if I'm not correct.

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Describe the order of operations you would use to
meriva
First apply the exponent: 3 ^ 2
9
Then we do the multiplication: 4 * 9 = 36
Finally we add
8 + 36 = 44
7 0
2 years ago
-(x+3) = 2x-6 what is x
Makovka662 [10]

Answer:

x=1

Step-by-step explanation:

So, first you make sure to multiply the parenthesis by the negative so then it would be,

-x-3=2x-6

Then you add the -3 from the right to the other side

so, -x=2x-3

Then you want all the X variables to one side so you subtract the 2x to both sides.

so, -3x=-3

divide both by -3

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7 0
2 years ago
ツ---Graph y=-x^2-2. Identify the vertex of the graph.Tell whether it is a minimum or maximum.---ツ
balandron [24]

Hey!

Hope this Helps...

~~~~~~~~~~~~~~~~~~~~~~~~~

Below, I added what the graph of (x^2)-2 looks like...

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7 0
3 years ago
Read 2 more answers
My question is in the attachment.<br>​
Nikolay [14]

Answer:

5 and 25

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let the son's age be x then the father's age is x + 20

In 5 years

son = x + 5 and father = x + 20 + 5 = x + 25

Then

x + 25 = 3(x + 5) ← father is three times as old as son

x + 25 = 3x + 15 ( subtract x from both sides )

25 = 2x + 15 ( subtract 15 from both sides )

10 = 2x ( divide both sides by 2 )

5 = x and x + 20 = 5 + 20 = 25

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8 0
2 years ago
Read 2 more answers
A speeding car passes a cop going 55 miles per hour. Ten seconds later, the
Deffense [45]

Answer:

-2.5

Step-by-step explanation:

Acceleration; v1-v0/t

v1=55

vo=35

t=10

25/10=2.5

6 0
3 years ago
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