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Aleksandr [31]
2 years ago
14

2/5 meters converted to centimeters

Mathematics
1 answer:
juin [17]2 years ago
8 0
The answer in centimetres is 250cm
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What is 89972 rounded by the 3rd significant number
BlackZzzverrR [31]

the answer is 90000 or 9e+4. hope I helped!

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3 years ago
The cost of K-12 education per student was $2200 in 1978 and increased to $10,300 in 2008. (Source: Department of Education). (a
kobusy [5.1K]

Answer: C=270x+2200

Step-by-step explanation:

Given

Cost per student in the year 1978 is $2200

The cost increases to $10,300 in 2008

Suppose C=mx+a is the linear equation defining the cost per student after x years

Substitute the value for 1978

\Rightarrow 2200=m(0)+c\\\Rightarrow c=2200

After 30 years it becomes

\Rightarrow 10,300=m(30)+2200\\\Rightarrow 30m=8100\\\Rightarrow m=270

Thus, the linear equation becomes

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2 years ago
How to find equation of line passing through the points (x,y)​
DochEvi [55]

First you must acknowledge that you are dealing with a line therefore you must write linear equation or linear function in this case.

Linear function has a form of,

y=mx+n

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m=\dfrac{\Delta{y}}{\Delta{x}}=\dfrac{y_2-y_1}{x_2-x_1}

Now pick a point either <em>A</em> or <em>B</em> and insert coordinates of either one of them in the linear equation also insert the slope you just calculated, I will pick point <em>A</em>.

y_1=mx_1+n

From here you solve the equation for n,

y_1=mx_1+n\Longrightarrow n=y_1-mx_1

So you have slope <em>m</em> and variable <em>n</em> therefore you can write down the equation of the line,

f(x)=m_{slope}x+n_{variable}

Hope this helps.

r3t40

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2 years ago
Petty has 81 red balls, which she wants to arrange in rows. of the number in each row must be equal to the number of rows, how m
monitta

Answer:

9 balls in each row.

Step-by-step explanation:

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3 years ago
Tom is 13 years old. Brad is 10 yrs old. which number sentence can be used to find how much older Tom is than Brad ​
zysi [14]

Answer:

is there a multipe choice?

5 0
3 years ago
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